Practice Test

Q1) After examining the blood groups of a couple, the doctor has advised them not to have more than one child. The blood group of the couple are likely to be: Show Answer

Q2) A person with blood group Rh - ve type A, may safely donate blood to a person whose blood is: Show Answer

Q3) A person with unknown blood group under ABO system, has suffered much blood loss in an accident and needs immediate blood transfusion. His one friend who has a valid certificate of his own blood type, offers for blood donation without delay. What would have been the type of blood group of the donor friend? Show Answer

Q4) Universal blood recipient is
Show Answer

Q5) With the help of the following, identify the correct sequence, that leads to the formation of blood clot
I. Blood clot II. Injury
III. Factor II IV. Factor III
V. Factor IV VI. Fibrinogen
VIII. Thorambin Show Answer

Q6) You are required to draw blood from patient and to keep it in a test tube for analysis of blood corpuscles
and plasma. You are also provided with the following four types of test tubes, which of them will you not
use for the purpose? Show Answer

Q7) Which of the following helps in blood coagulation? Show Answer

Q8) Heparin Show Answer

Q9) Which of the following prevents the conversion of prothrombin to thrombin in an undamaged blood
vessel? Show Answer

Q10) With the help of the following, identify the correct sequence, that leads to the formation of blood clot.
I.Blood cloth
II.Injury
III.Factor II
IV.Factor III
V.Factor IV
VI.Fibrinogen
VII.thrombin Show Answer

Q11) Sphygmomanometer measures Show Answer

Q12) ECG is a measure of Show Answer

Q13) Which of the following blood vessels in the circulatory system of frog has more deoxygenated blood? Show Answer

Q14) Which one indicates hypertension or high blood pressure (BP) Show Answer

Q15) Choose the correct pathway on the transmission of impulse in the heart beat. Show Answer

Q16) In an open circulatory system Show Answer

Q17) Primary blood cells are formed in Show Answer

Q18) SAN can generate impulses Show Answer

Q19) An oval depression called fossa ovalis, is seen on Show Answer

Q20) Which of the following acts as ‘middle man of the body’? Show Answer

Q21) Pulse beat is measured from Show Answer

Q22) Which of the following is incorrect? Show Answer

Q23) Lymphatic system is an elaborated network of vessels which collect the Show Answer

Q24) In human heart, identify the correct statements a
I. Volume of both the atria is the greater than the volume and both ventricles
II. Volume of both the ventricle is greater than the volume of both the atria
III. Inter-ventricular septum separates the right and the left atria
IV. Atrio ventricular septum don’t separates the atrium and ventricle
Choose the correct option accordingly Show Answer

Q25) SAN generates an action potential which stimulates both the …A… to undergo a simultaneous contraction
called …B… . This increases the flow of the blood into the ventricles by about …C… percentage
Choose the correct option for A, B and C Show Answer

Q26) Which of the following can be considered as the blood bank of human body? Show Answer

Q27) Coagulation of blood in blood vessels in living body is prevented by Show Answer

Q28) Characteristic of open circulatory system
I. Blood flows in the open tissue space, the sinuses
II. Blood is in direct contact with the tissues cells
III. Blood flow is slow
IV. Blood pressure is high
Choose the option with characteristics Show Answer

Q29) In a healthy adult man the normal diastolic pressure is Show Answer

Q30) Which of the following are erythropoietic organs?
I. liver
II. lymph node
III. spleen
IV. white bone marrow
V. red bone marrow
Choose the correct option Show Answer

Q31) Prothrombin is Show Answer

Q32) Spiral valve is present in Show Answer

Q33) Choose the correct statements regarding the human blood
I. The volume of the blood in an adult is 5 L
II. It constitutes 30-35% of the total extracellular fluid
III. Glucose concentration in the blood is 50mg/100 mL
IV. Cholesterol concentration in the blood is 30 mg/100 mL
V. Urea level in the blood is 10 mg/100 mL
The option with correct statements is Show Answer

Q34) A doctor suggested not to have more than one child to a couple because Show Answer

Q35) Leucocytes are colourless due to Show Answer

Q36) In haemoglobin, which amino acid acts as blood buffer? Show Answer

Q37) Atrial diastole takes place when Show Answer

Q38) Exchange of gases, nutrient, etc., between the blood and the cells takes place through Show Answer

Q39) Formed elements present in the human blood are
I. erythrocytes II. leucocytes
III. platelets IV. plasma
V. plasma
Chooses the correct option Show Answer

Q40) The opening of auricles and ventricles on the right side is guarded by Show Answer

Q41) In humans, RBCs are formed in Show Answer

Q42) Bicuspid valves are found in between Show Answer

Q43) ECG is a graphical representation of the electric activity of the heart during Show Answer

Q44) Which is correct for artery? Show Answer

Q45) Human blood consists of Show Answer

Q46) Identify wheather the given statements are true or false for double circulation
I. It checks the mixing of oxygenated and deoxygenated blood
II. It carries only oxygenated blood
Choose the correct option accordingly Show Answer

Q47) Properties of human RBCs are
I. devoid of nucleus
II. formed in bone marrow
III. possess healing properties
IV. biconcave in shape
V. help in blood clotting
Choose the option with correct properties Show Answer

Q48) Erythrocytes of adult rabbit and other mammals are formed in Show Answer

Q49) Heart beat increases by Show Answer

Q50) Which of the following statement (s) is/are incorrect?
I. The AV node and the bundle of His constitute, the electrical link between the atria and the ventricles
II. The bundle of His is a bundle of electrical nodes which allows the ventricles to contract
III. The bundle of His is a group of fibres that carry the electrical impulses through the centre of the heart
IV. The bundle of His is located in the artrial region
Choose the correct option Show Answer

Q51) Blood pressure is controlled by Show Answer

Q52) Atherosclerosis is called Show Answer

Q53) Haemoglobin is Show Answer

Q54) In a healthy adult man, the normal diastolic pressure is Show Answer

Q55) During ventricular systole Show Answer

Q56) Pacemaker in heart is situated Show Answer

Q57) Haemolymph is the term used for the blood of the organism having Show Answer

Q58) The blood pumped by the …A… ventricle enters the …B… artery, whereas the …C… ventricle pumps blood
into the …D…
Choose the correct option for A, B, C and D Show Answer

Q59) The closed circulatory system is found in Show Answer

Q60) SA node is called the pacemaker of heart because Show Answer

Q61) A substance present over the surface of RBCs and is genetically heritable is called as Show Answer

Q62) Tachycardia is Show Answer

Q63) In amphibians and reptiles, the …A… atrium receives oxygenated blood from the gills/lung/skin and …B…
atrium gets the …C…. blood from other body parts
Choose the correct option for A, B and C Show Answer

Q64) Which blood vessels carry blood from different parts of your body to the heart? Show Answer

Q65) The vein that does not directly open into the heart is Show Answer

Q66) Which one of the following has an open circulatory system? Show Answer

Q67) Purkinje fibres are present in Show Answer

Q68) Which one of the following statements is correct regarding blood pressure? Show Answer

Q69) The heart muscles are Show Answer

Q70) Patient with unknown blood group needs immediate blood transfusion. In this case, which blood do you
suggest to give that patient immediately? Show Answer

Q71) The second step in the coagulation of blood is catalyzed by Show Answer

Q72) Sequence of electrical impulse in heart beat is Show Answer

Q73) In the ventricular diastole, the …A… valve closes. This causes the second heart sound …B… . Choose the
correct option for A and B Show Answer

Q74) Which of the given option is correct about blood groups and donor compatibility? Show Answer

Q75) Which of the following sentences is correct?
I. ECG is of a great clinical significance
II. Electrocardiograph is the recording of electrical changes during the cardiac cycle
III. To obtain a standard ECG, a patient is connected to the machine with 3 electrical electrodes (one to
each wrist and to the left ankle)
IV. Normal activities of the heart are regulated intrinsically
V. Electrocardiogram is the electrical activity of heart
The option with correct statements is Show Answer

Q76) A circulatory system, which is formed by capillaries and ends with capillaries is Show Answer

Q77) Blood leaving the liver and going towards heart is rich in Show Answer

Q78) Which is correct about blood clotting? Show Answer

Q79) Maximum amount of oxygen is lost from the blood in the Show Answer

Q80) Atherosclerosis is caused by deposition of Show Answer

Q81) Which of the following are located in tunica media of human blood vessels? Show Answer

Q82) Duration of a cardiac cycle is Show Answer

Q83) The myocardium is found in Show Answer

Q84) During each cardiac cycle, prominant sounds are produced which can be easily heard through stethoscope.
They are Show Answer

Q85) Neural centre in medulla oblongata can moderate the cardiac function through Show Answer

Q86) The normal level of haemoglobin per 100mL of blood in women is Show Answer

Q87) Systemic circulation is Show Answer

Q88) 72 beats per minute heart beat rate of man is controlled by Show Answer

Q89) Which one of the following is matching pair? Show Answer

Q90) Which of the following sequences is truly a systemic circulation pathway? Show Answer

Q91) Haemoglobin contains Show Answer

Q92) Atrial natriuretic hormone is produced by Show Answer

Q93) The branches of the nodal tissue, which give rise to minute fibres throughout the ventricular musculature
of the respective sides are called Show Answer

Q94) Heart sound ‘dup’ is caused due to closing of Show Answer

Q95) Which of the following is the correct pathway for propagation of cardiac impulse? Show Answer

Q96) ‘Bundle of His’ are Show Answer

Q97) Most abundant cells in the human blood are Show Answer

Q98) In diastole, heart is filled by Show Answer

Q99) Purkinje fibres are present in Show Answer

Q100) Cardiac output is Show Answer

Q101) If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially nonfunctional,
what will be the immediate effect? Show Answer

Q102) Ventricular systole occurs Show Answer

Q103) The important function of lymph is to Show Answer

Q104) In reptiles and amphibians, there is no clear cut separation of oxygenated and deoxygenated blood
because they have Show Answer

Q105) In heart cells, which one serves as a second messenger speeding up muscle cell contraction in response to
adrenaline? Show Answer

Q106) Lymphocytes (20-25%) are of two major types, B and T forms. They are responsible for Show Answer

Q107) Tricuspid valve is present in Show Answer

Q108) The first heart sound ‘Lubb’ occurs in which phase of the cardiac cycle? Show Answer

Q109) The largest RBCs have been seen in Show Answer

Q110) Universal donors and universal receipients are Show Answer

Q111) Which of the following matches correctly? Show Answer

Q112) A healthy individual has …A… grams of haemoglobin in every …B… mL of blood. These molecules plays a significant role in the transport of …C… gases.
Choose the correct option for A, B and C Show Answer

Q113) How many double circulations are normally completed by the human heart, in one minute? Show Answer

Q114) Maximum pressure of blood experienced during when blood enters from Show Answer

Q115) Which of the following events do not occur during joint diastole?
I. All four-chamber are in relaxed state
II. Tricuspid and bicuspid are open
III. Semilunar valves are closed
IV. Blood from the pulmonary veins and vena cava flows into the left and right ventricles, respectively
through the left and right atria
The correct option containing correct choice is Show Answer

Q116) Chordae tendinae are found in Show Answer

Q117) Source of thromboplastin in the human blood is Show Answer

Q118) Chordae tendinae Show Answer

Q119) Life span of RBCs is Show Answer

Q120) Formed element constitutes what percentage of the blood? Show Answer

Q121) Neural signals through the sympathetic nerves (ANS) can increase the rate of heart beat by Show Answer

Q122) Cardiac output is Show Answer

Q123) In bird and mammals, the oxygenated blood received by …A… and deoxygenated blood receive by …B… .The ventricles pump in out without any mixing up of oxygenated and deoxygenated blood
Choose the correct option for A and B Show Answer

Q124) Foramen ovale Show Answer

Q125) The name of the pace maker of heart is Show Answer

Q126) Ventricles are related to Show Answer

Q127) Which is largest among the given type of leucocytes? Show Answer

Q128) Which system has a major role in defence against infection? Show Answer

Q129) People living at sea level have around 5 million RBCs per cubic millimetre of their blood, whereas those
living at an altitude of 5400 metres have around 8 million. This is because at high altitude Show Answer

Q130) Which of the following does not control the heart beat? Show Answer

Q131) The graveyard of RBC is Show Answer

Q132) Angina occurs due to Show Answer

Q133) Autoexitable fibres/nodes are called Show Answer

Q134) Haemoglobin molecule is made up of Show Answer

Q135) The name Rh blood group is derived from Show Answer

Q136) A specialised cardiac musculature called …A… tissue is also distributed in the heart. A patch of this tissue is
present in the right upper corner of the right atrium called …B… . Another mass of this tissue is seen in the
lower left corner of the right atrium close to the atrio-ventricular septum called …C…
Choose the correct option for A, B and C Show Answer

Q137) Major proteins in the human blood are
I. fibrinogen II. globulins
III. albumins
Choose the correct combination of option Show Answer

Q138) Which of the following organs can be called a sort of ‘blood bank’? Show Answer

Q139) Prothrombinase is formed in the presence of Show Answer

Q140) The artery, which supplies blood to the pericardium is Show Answer

Q141) Example of Rh incompatibility is Show Answer

Q142) Which of the following causes degradation of RBCs? Show Answer

Q143) Granulocytes and agranulocytes are the two main cateogories of Show Answer

Q144) Systolic pressure in a normal human is Show Answer

Q145) RBCs have an average life span of Show Answer

Q146) According to Cascade theory of blood clotting, how many factors are required in the process of blood
clotting? Show Answer

Q147) Select the incorrect statements
I. Barr body is an another name for neutrophils
II. Agranulocytes are formed in the red bone marrow
III. Granulocytes are formed is the spleen and lymph node
IV. Lymphocytes exists as two major types, B and T lymphocytes
The correct option with incorrect statement is Show Answer

Q148) The valves, which allow blood to flow from the ventricles into the arteries and not in the opposite
direction are Show Answer

Q149) Study the following statements.
I.Plasma constitutes 45% of the human blood.
II.Albumin is a plasma protein, which helps in osmotic balance.
III.Factors responsible for the blood clotting process are present in the blood.
IV.Plasma without clotting factors is called serum.
IV.Minerals are not generally found in blood. Of the above statements Show Answer

Q150) Which of the following plasma proteins is involved in the coagulation of blood? Show Answer

Q151) Which one has the thickest wall? Show Answer

Q152) Compare to blood our lymph has Show Answer

Q153) Parasympathetic neural signal decreases the cardiac output by Show Answer

Q154) In which one of the following pairs, the two items mean one and the same thing? Show Answer

Q155) Which one of the following human cells do not contain mitochondria? Show Answer

Q156) Identify the incorrect statements and correct choose the correct option accordingly
I. Interstitial fluid (tissue fluid) and lymph have almost similar composition
II. Lymph and interstitial fluid have no larger proteins and RBC
III. Exchange of the nutrients and gases, etc., between the blood and cells always occurs through tissue
fluid
IV. Interstitial fluid has the same mineral distribution as that of the plasma
V. Lymph can be defined as the blood minus RBC but has specialised lymphocytes Show Answer

Q157) Blood without corpuscles and fibrinogen is called Show Answer

Q158) Closed circulatory system is present in Show Answer

Q159) Papillary muscles are found in mammalian Show Answer

Q160) CAD stands for Show Answer

Q161) Blood pressure instrument records Show Answer

Q162) Heart of elephant is Show Answer

Q163) Blood is a Show Answer

Q164) Choose the correct statement about SA node
I. Located at lateral wall of the right atrium
II. Herat of heart
III. It initiates the rhythmic contractile activity of the heart and maintains it IV. It is called pace keeper of the heart
V. It is called pace maker of the heart
The option with correct statements is Show Answer

Q165) The systemic circulation provides nutrients, …A… and other essential substances to the …B… and takes
…C… and other harmful substances away for elimination
Choose the correct option for A, B, C and D Show Answer

Q166) Which of the following is first to receive lymphatic duct from legs? Show Answer

Q167) I. Atrioventricular valves
II. Semilunar valves
III. Right atrium
IV. Right ventricle
V. SAN
The correct pathway of RBC of from the option given below Show Answer

Q168) The number of valves that guard the opening at the origin of caroticosystemic aorta is Show Answer

Q169) Blood that flows from the lungs to the heart is bright red rather than dark red due to Show Answer

Q170) Components essential for RBC formation is Show Answer

Q171) What will happen if a Rh – ve person is exposed to the Rh + ve person? Show Answer

Q172) Erythroblastosis foetalis is a disease in which Show Answer

Q173) At high altitude, RBCs of human blood will Show Answer

Q174) Bilirubin is the breakdown product of Show Answer

Q175) Pace maker is Show Answer

Q176) The pH of blood is Show Answer

Q177) Manifestation of increase in the blood pressure of a person is called Show Answer

Q178) Lymph is a colourless fluid containing specialised Show Answer

Q179) The animal, which has oval RBCs is Show Answer

Q180) The difference between blood and lymph is Show Answer

Q181) ‘Heart of Heart’ is Show Answer

Q182) The cardiac pacemaker in a patient fails to function normally. The doctors find that an artificial pacemaker
is to be grafted in him. It is likely that it will be grafted at the site of Show Answer

Q183) Refer the statements
I.Carbonic anhydrase is present in the erythrocytes.
II.In erythrocytes, the carbon dioxide combines with water and is transported Show Answer

Q184) Plasma is a straw coloured viscous fluid constituting nearly …A…% of the blood, …B…% of the plasma is
water and the protein constitutes …C…% of it.
Choose the correct option for the blanks A, B and C Show Answer

Q185) Coronary heart disease is due to the inadequate blood supply to Show Answer

Q186) Which one is correct? Show Answer

Q187) Bicuspid and tricuspid valve opens when Show Answer

Q188) Systolic pressure in adult human is Show Answer

Q189) Which of the following option describes all the components of human blood? Show Answer

Q190) Neutrophils are also called
I. acidophils
II. heterophils
III. polymorphs
Choose the option with suitable terms Show Answer

Q191) Grouping of ABO blood is based on the Show Answer

Q192) Individuals having Rh antigen are called Show Answer

Q193) Which of the following statement is incorrect about the lymph
I. Lymph is colourful as it has haemoglobin but no RBC II. The fluid present in the lymphatic system is called lymph
III. It contains specialised lymphocytes which are responsible for the immunity of the body
IV. Lymph is an important carrier for nutrients and hormones
V. Fats are absorbed through the lymph in the lacteals present in the intestinal villi
Choose the correct option Show Answer

Q194) Which of the following is a cell fragment? Show Answer

Q195) The thread-like tendons of papillary muscles inserted upon the flaps of tricuspid and bicuspid valves are Show Answer

Q196) Incomplete circulation is found in
I. reptiles II. amphibians
III. birds IV. mammals
The correct option with appropriate choices is Show Answer

Q197) Statement 1: Smaller the organism higher is the rate of metabolism per gram weight
Statement 2: The heart rate of six months old baby is much higher than that of an old person Show Answer

Q198) I. Neutrophils II. Eosinophils
III. Basophils IV. Lymphocytes
V. Monocytes
Identify wheather the given cell types are granulocytes (A) and agranulocytes (B) and choose the correct option accordingly
Show Answer

Q199) Factors for coagulation or clotting of the blood are also present in the …A… in an …B… form. Plasma without the clotting factors is called …C… .
Choose the correct option for the blanks A, B and C
Show Answer

Q200) Normal activities of the heart are regulated Show Answer

Q201) Pulmonary artery differs from pulmonary vein in having Show Answer

Q202) All vertebrates posseses a …
A… . Fishes have a …
B… chambered heart with atrium and ventricles. Amphibians and reptiles have a …
C… chambered heart. Bird and mammals have …
D… chambered of heart
Choose the correct option
Show Answer

Q203) Which of the following statements is true for lymph? Show Answer

Q204) Extrinsic factors (blood clotting) are the factors triggered by release of Show Answer

Q205) The cardiac cycle in normal person is about Show Answer

Q206) ECG is a measure of Show Answer

Q207) The wall of the ventricles are much thicker than that of atrium because Show Answer

Q208) The role of pace maker in heart is to Show Answer

Q209) Coronary heart disease is due to Show Answer

Q210) Open circulatory system is present in
1. Arthropods
2. Annelids
3. Chordates
4. Molluscs.
Show Answer

Q211) During cardiac cycle, about …A…% of ventricular filling occurs, prior to the arterial contraction …B…% ventricular filling occurs due to arterial contraction
Choose the correct option for A and B
Show Answer

Q212) Cardiac cycle is a cyclic event that occur in Show Answer

Q213) Advantage of closed circulatory system is that Show Answer

Q214) When thromboplastin is released in humans? Show Answer

Q215) Select the lymphoid organs from the given choices
I. Lymph node , II. Thymus gland,
III. Red bone marrow , IV. liver,
V. Spleen, VI. Osteocytes,
VII. Peyer’s patches
The correct option with correct choices is
Show Answer

Q216) ‘Bundle of His’ is a part of which one of the following organs in humans? Show Answer

Q217) To obtain a standard ECG, the patient is connected to the machine with three electrical leads. These three electrical lead are connected as one each to the Show Answer

Q218) Maximum surface area of circulating system is seen in Show Answer

Q219) When all the four-chambers of the heart are in relaxed state, it is called Show Answer

Q220) Cardiac output is determined by Show Answer

Q221) To which of the following, bundle of His passes stimulus of contraction? Show Answer

Q222) In which, blood circulation starts and ends in capillaries? Show Answer

Q223) Lymph is an important carrier for the transport of Show Answer

Q224) The difference between systolic and diastolic pressure in human is Show Answer

Q225) The first heart sound is produced when Show Answer

Q226) Double circulation is Show Answer

Q227) Which of the following blood vessels in the circulatory system of frog has more oxygenated blood? Show Answer

Q228) Identify the correct statement
I. The impulse of the heart beat originates from SAN
II. Rate of the heart is determined by SAN
III. Bundle of His/AV bundle is present in the interventricular septum
IV. Atrio Ventricular Node (AVN) is situated in the lower left corner of the right auricle
Choose the correct option
Show Answer

Q229) Chordaetendinae are found in Show Answer

Q230) Which nodal fibres lies along the right and left ventricles (interventricular septum)? Show Answer

Q231) In an ECG, the depolarization of atria is indicated by Show Answer

Q232) In frog’s heart, there are cardiac muscles, which consists of fibres called Show Answer

Q233) Diastolic pressure of a normal human is Show Answer

Q234) Congestion of the lungs is one of the main symptoms in Show Answer

Q235) Platelets are Show Answer

Q236) Which chamber of the human heart has the thickest muscular wall? Show Answer

Q237) In normal humans, time taken for the normal blood clotting is Show Answer

Q238) Fats in the human body are absorbed through Show Answer

Q239) The volume of blood each ventricle pumps out during a cardiac cycle is about Show Answer

Q240) The structure of which of the following consists of a layer of single cell thickness? Show Answer

Q241) Pulmonary aorta carries Show Answer

Q242) What is the correct order or events occurring in blood clotting?
I. Conversion of fibrinogen to fibrin
II. Formation of clot
III. Thromboplastin formation
IV. Conversion of prothrombin to thrombin
Choose the correct option
Show Answer

Q243) ‘Bundle of His’ can be named as a muscular tissue which is found between Show Answer

Q244) Generally, artificial pacemaker consists of one battery made up of Show Answer

Q245) When two atria contract simultaneously and results in the blood pumping into ventricles, this is called Show Answer

Q246) All reptiles have a three-chambered heart except Show Answer

Q247) Which of the statement is correct?
I. The closing and opening of the heart is through the valves during each heart beat
II. The movement of the impulse passes from the SA node to all the regions of the heart wall
III. The number of the times the heart beats in one minute is 60
IV. Change in the blood volume in all the chambers of the heart occurs during the cardiac cycle
The option with correct statements is
Show Answer

Q248) As the blood passes through the capillaries some water along with small water soluble substances move out into the spaces between the cells of the tissues. This fluid released out is called the Show Answer

Q249) Cardiac centre is present in Show Answer

Q250) Which of the following is right about blood coagulation?
I. Vitamin-B is necessary for the formation prothrominase
II. Conversion of fibrin to fibrinogen
III. Conversion of prothrombin to prothrombinase
The option with correct combination is
Show Answer

Q251) Find out the wrong match Show Answer

Q252) Pulmonary circulation is Show Answer

Q253) Systemic heart refers to Show Answer

Q254) Serum is Show Answer

Q255) In higher vertebrates, SA-node helps in Show Answer

Q256) The valves in the heart allows the blood flow in which direction?
I. From atria to ventricles
II. From ventricles to pulmonary artery
III. From pulmonary artery to aorta
Choose the correct option
Show Answer

Q257) Clotting disorders occur mainly due to the reduction in the number of Show Answer

Q258) Cardiac activities of the heart are regulated by:
A. Nodal tissue
B. A special neural centre in the medulla oblongata
C. Adrenal medullary hormones
D. Adrenal cortical hormones
Choose the correct answer from the options given below:
Show Answer

Q259) A person with blood group ARh- can receive the blood transfusion from
which of the following types?
A. BRh-
B. ABRh−
C. ORh−
D. ARh−
E. ARh+
Choose the correct answer from the options given below : Show Answer

Q260) Diuresis is prevented by: Show Answer

Q261) 'Lub' sound of Heart is caused by the _________. Show Answer

Q262) Following are the stages of pathway for conduction of an action
potential through the heart
A. AV bundle
B. Purkinje fibres
C. AV node
D. Bundle branches
E. SA node
Choose the correct sequence of pathway from the options given below Show Answer

Q263) Which of the following statements are correct?
A. Basophils are most abundant cells of the total WBCs
B. Basophils secrete histamine, serotonin and heparin
C. Basophils are involved in inflammatory response
D. Basophils have kidney shaped nucleus
E. Basophils are agranulocytes
Choose the correct answer from the options given below: Show Answer

Q264) A unique vascular connection between the digestive tract and liver is
called Show Answer

Q265) Arrange the following formed elements in the
decreasing order of their abundance in blood in
humans :
(a) Platelets
(b) Neutrophils
(c) Erythrocytes.
(d) Eosinophils
(e) Monocytes
Choose the most appropriate answer from the
options given below : Show Answer

Q266) Under normal physiological conditions in human being every 100ml of
oxygenated blood can deliver ml of O2 to the tissues Show Answer

Q267) Which of the following is not a connective tissue? Show Answer

Q268) Which one of the following statements is correct? Show Answer

Q269) Persons with 'AB' blood group are called as "Universal recipients". This
is due to : Show Answer

Q270) Which enzyme is responsible for the conversion of inactive fibrinogens
to fibrins? Show Answer

Q271) The QRS complex in a standard ECG represents Show Answer

Q272) All the components of the nodal tissue areautoexcitable. Why does the
SA node act as the normal pacemaker? Show Answer

Q273) A specialised nodal tissue embedded in the lower corner of the right
atrium, close to Atrioventricular septum, delays the spreading of impulses to heart apex for about 0.1 sec.This delay allows Show Answer

Q274) Adult human RBCs are enucleate. Which of the following statement(s)
is/are most appropriate explanation for this feature?
(1) They do not need to reproduce.
(2) They are somatic cells.
(3) They do not metabolise.
(4) All their internal space is available for oxygen transport. Show Answer

Q275) The hepatic portal vein drains blood to liver from Show Answer

Q276) Name the blood cells, whose reduction in number can cause clotting
disorder, leading to excessive loss of blood from the body. Show Answer

Q277) Serum differs from blood in Show Answer

Q278) Blood pressure in the pulmonary artery is Show Answer

Q279) In mammals, which blood vessel would normally carry largest amount of
urea? Show Answer

Q280) Which one of the following animals has two separate circulatory
pathways? Show Answer

Q281) Doctors use stethoscope to hear the sounds produced during each
cardiac cycle. The second sound is heard when Show Answer

Q282) Erythropoiesis starts in Show Answer

Q283) Which one of the following is correct?
Show Answer

Q284) Blood pressure in the mammalian aorta is maximum during Show Answer

Q285) Arrange the following events occuring in Renin-Angiotensin mechanism in the correct order:
A. Increase in blood pressure and Glomerular filtration rate
B. Reabsorption of Na' and water from distal parts of tubule due to Aldosterone
C. Fall in Glomerular filtration rate
D. Vasoconstriction by Angiotensin II and release of Aldosterone.
E. Renin converts Angiotensinogen into Angiotensin I, followed by Angiotensin II.
Choose the correct answer from the options given below:
Show Answer

Q286) The WBC count of a person's blood sample is 8000/cu mm. How many eosinophils and lymphocytes would be in the same blood sample approximately?
Show Answer

Q287) Select the incorrect statement with reference to Rh grouping.
A. Erythroblastosis foetalis is a condition observed having foetus with Rh- blood and mother with Rh blood
B. Rh antigen is observed on RBCs in the majority of human beings.
C. Before blood transfusion, Rh group should also be matched.
D. Rh incompatibility is observed when a pregnant mother is Rh- and the foetus is Rh
E Erythroblastosis foetalis can be avoided by administering anti-Rh antibodies to the mother immediately after the delivery of the second child.
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