Practice Test


Q1) The main difference in the circulation of blood and lymph is: Show Answer


Q2) If you were asked to dissect an animal so as to reveal a value, which of the following places would be good to try except: Show Answer


Q3) The introduction of a bacterial antigen into the body triggers a response specifically against the antigen by: Show Answer


Q4) If most of its lymphocytes were drained out of an animal via the thoracic duct, the animal would not: Show Answer


Q5) Haemoglobin transport oxygen to the extent of: Show Answer


Q6) Which one of the following blood vessels has a thick muscular coat? Show Answer


Q7) Which chamber of human heart has thickest muscular wall? Show Answer


Q8) The blood flows fast and with jerks in: Show Answer


Q9) Haemoglobin is found dissolved in the plasma of: Show Answer


Q10) The correct sequence followed by the blood flowing through the heart of frog is: Show Answer


Q11) Which of the following is not a difference between circulatory system of mammals and those of insects? Show Answer


Q12) A type of blood bank from which reserves of erythrocytes may be quickly mobilized when needed by the body is the: Show Answer


Q13) The posterior pair of lymph hearts in frog pump lymph into: Show Answer


Q14) Blood enters the heart because muscles of the: Show Answer


Q15) The breakdown product of haemoglobin is: Show Answer


Q16) How many renal veins emerge out of frog and mammalian kidney respectively? Show Answer


Q17) Select advantage of a double circulation over a single circulation: Show Answer


Q18) In amphibian heart the cavity present at the base of truncus arteriosus is called: Show Answer


Q19) The shoulder and forelimb are connected to the heart by: Show Answer


Q20) What will happen to the body of an adult man if spleen is removed? Show Answer


Q21) In persons suffering from sickle cell anaemia, erythrocytes become sickle shaped when: Show Answer


Q22) The greatest amount of oxygen will be lost from the blood while it is travelling through: Show Answer


Q23) The blood pressure is high in: Show Answer


Q24) The exchange of materials between blood and interstitial fluid only at the: Show Answer


Q25) The rate of heart beat per minute is highest in case of: Show Answer


Q26) Pick up the cells of bone marrow which give rise to all types of corpuscles of blood: Show Answer


Q27) The precaval veins collect blood from: Show Answer


Q28) Thrombosis in which coronary artery is met most frequently in MI (Myocardial infarction): Show Answer


Q29) The portal system present in all the vertebrates is: Show Answer


Q30) Hepatic portal vein in frog before reaching the liver, joins the: Show Answer


Q31) Which one of the following proteins is not normal component of blood plasma? Show Answer


Q32) In frog, dorsal side of the heart is occupied by: Show Answer


Q33) Opening of truncus arteriosus of frog is guarded by: Show Answer


Q34) The free edges of the auriculo-ventricular valves are joined to the wall of heart of fine collagen fibres called: Show Answer


Q35) Right auricle of heart of human is: Show Answer


Q36) Heart of fish is: Show Answer


Q37) Opening of pulmonary vein to left auricle is guarded by: Show Answer


Q38) In a closed circulatory system, blood is completely closed within: Show Answer


Q39) The heart is enclosed in a double walled thin bag called: Show Answer


Q40) Main function of pericardial fluid is: Show Answer


Q41) Heart is made of: Show Answer


Q42) Absolute refractory period of heart is: Show Answer


Q43) The heart muscles work rhythmically always by: Show Answer


Q44) In mammalian heart there is very swift conduction of stimulation all over the heart because of: Show Answer


Q45) Heart beats are affected by: Show Answer


Q46) Heart beats are accelerated by the: Show Answer


Q47) Ringer's solution contains: Show Answer


Q48) The heart beat is initiated by a special heart tissue embodied in the wall of right wall of right auricle. This is called: Show Answer


Q49) The common name of sinu-auricular node is: Show Answer


Q50) As in other cells heart muscle fibres also carry an electric charge. This is: Show Answer


Q51) The opening of auricles into ventricle in frog is guarded by: Show Answer


Q52) During the coagulation of blood, vitamin K helps in the: Show Answer


Q53) Oxygenated blood enters the heart in the: Show Answer


Q54) Sciatic vein collects blood and pours it in: Show Answer


Q55) Blood from the lung of human is carried by: Show Answer


Q56) When a normal frog is injected with the physiological concentration of adrenaline, the heart beat shows: Show Answer


Q57) The circulation of blood was first discovered by: Show Answer


Q58) The opening of the upper chamber of the heart into the lower chamber is known as: Show Answer


Q59) The blood leaving the lungs is richer than the blood entering the lungs in: Show Answer


Q60) The artery which carries deoxygenated blood is known as: Show Answer


Q61) The intravenous injection of blood plasma or serum with the object of restoring the blood volume is known as: Show Answer


Q62) Which of the following statements is true for arteries? Show Answer


Q63) Perfusion of heart of frog with acetylcholine will cause: Show Answer


Q64) Connection between arteries and veins is through: Show Answer


Q65) Blood which after circulation comes from liver to heart has: Show Answer


Q66) The innermost coat of the wall of artery is called: Show Answer


Q67) The wall of vein is: Show Answer


Q68) Tunica media of blood vessels is formed of: Show Answer


Q69) Endothelium is formed of: Show Answer


Q70) Arterial system of frog includes: Show Answer


Q71) In the sinuses of an open circulatory system, blood is not segregated from: Show Answer


Q72) In which chamber of a bird heart does oxygen-rich blood first enter? Show Answer


Q73) Coelomic fluid is: Show Answer


Q74) Lynph is modified blood that contains: Show Answer


Q75) Carotid labyrinth of frog is a: Show Answer


Q76) Auriculo-ventricular valve in heart of frog is: Show Answer


Q77) In the embryonic condition the interauricular septum has an aperture called: Show Answer


Q78) Bundles of His is a network of: Show Answer


Q79) Blood is considered to be a fluid tissue, the reason is: Show Answer


Q80) In the blood, the blood cells account to: Show Answer


Q81) The density of blood is: Show Answer


Q82) Formation of red blood cells from bone marrow is called: Show Answer


Q83) Which one of the following cells has least consistent shape? Show Answer


Q84) Blood which leaves the liver and moves to heart has a higher than usual concentration of: Show Answer


Q85) Which one is the correct route through which pulse making impulse travels in the heart? Show Answer


Q86) How much water does the plasma contain? Show Answer


Q87) The clear fluid formed out of the blood after the blood clot is called: Show Answer


Q88) Which one of the following proteins help catalytically in the clotting of blood? Show Answer


Q89) The site of production of new red blood cells in case of adult human beigns is: Show Answer


Q90) Which of the following leucocytes have an unlobed nucleus? Show Answer


Q91) When the number of red blood cells or their haemoglobin content falls sharply the disease produced os: Show Answer


Q92) The condition of low white cell count in the blood as a result of some viral diseases is called: Show Answer


Q93) The condition of uncontrolled and abnormally rapid formation of white blood cells is called: Show Answer


Q94) Which of the following leucocytes has multilobed nucleus? Show Answer


Q95) Which of the following leucocytes has bilobed nucleus? Show Answer


Q96) The percentage of proteins in blood plasma is about: Show Answer


Q97) Heparin, helpful in the ingestion of food is produced by the glands of: Show Answer


Q98) Blood from kidney of human is returned by: Show Answer


Q99) The auriculo-ventricular node in human heart was discovered by: Show Answer


Q100) The cation (mineral) necessary for coagulation of blood is: Show Answer


Q101) Iron free compound of haemoglobin is: Show Answer


Q102) One of the following is known as graveyard of RBC where they are destroyed by macrophages: Show Answer


Q103) Thromboplastin is an enzyme which is released by: Show Answer


Q104) Which of the following combinations will prove serious or fatal in case of Rh-factor in man?
1) Rh-negative husband and Rh-negative wife.
2) Rh-positive husband and Rh-negative wife.
3) Rh-positive husband and Rh-positive wife.
4) Rh-negative husband and Rh-positive wife.
Show Answer


Q105) If the blood clotting time is increased in a person this can be due to: Show Answer


Q106) The white pus given out through a wound is made of: Show Answer


Q107) An antigen is a: Show Answer


Q108) If you happen to see a free lion in a jungle the blood pressure will: Show Answer


Q109) The pulse pressure is the: Show Answer


Q110) Humoral antibodies are produced by: Show Answer


Q111) The number of red blood cells per cubic millimetre of blood in a woman is: Show Answer


Q112) Diameter of a red blood cell in man is: Show Answer


Q113) In man the rate of haemopoiesis is different in infant and adult. It is: Show Answer


Q114) The number of red blood cells per cubic millimetre of blood in a man is: Show Answer


Q115) It is understood that a red blood cell is exerted to explosive work. In man one erythrocyte before undergoing destruction makes circuits in the body about: Show Answer


Q116) In adult the formation of erythrocyte mainly takes place in: Show Answer


Q117) The life span of erythrocyte in man is: Show Answer


Q118) The red blood cells undergo destruction daily in out body. The percentage of destruction is nearly: Show Answer


Q119) In our body under normal condition the renewal of all the blood cells take place: Show Answer


Q120) If a man stays at a high altitude there is effect on blood. This effect is mainly on: Show Answer


Q121) In pernicious anaemia there is: Show Answer


Q122) Megaloblasts are: Show Answer


Q123) In our body, storage of vitamins is in: Show Answer


Q124) Lymph is mainly made of plasma part of the blood and white blood corpuscles. The cellular count per cubic mm. of the lymph depends largely on: Show Answer


Q125) Human blood group substances (antigens) present on the surface of erythrocytes are: Show Answer


Q126) Human blood group substances are free from: Show Answer


Q127) Karl Landsteiner recognised: Show Answer


Q128) de Castello and Sturli discovered: Show Answer


Q129) The clumping of red blood cells because of wrong blood transfusion is called: Show Answer


Q130) Among Asian population, the percentage of people having Rh factor is: Show Answer


Q131) An abnormal high white cell count in man is called: Show Answer


Q132) In leukaemia, death occurs within a few months after the onset of disorder as: Show Answer


Q133) If the clotting mechanism functions inadequately, then it is called: Show Answer


Q134) Which of the following blood groups is a universal donor? Show Answer


Q135) The blood does not coagulate inside our body, because of: Show Answer


Q136) In origin the red cells are: Show Answer


Q137) Haematocrit is related with: Show Answer


Q138) In all the mammals in adult stage, red blood corpuscles are without nucleus except one animal. The name of the animal is: Show Answer


Q139) Fibrinogen, Prothrombin and Albumin are manufactured only in: Show Answer


Q140) In a normal man about 5% of the body iron in circulation is in the form of haemoglobin and the rest 95% is retained as: Show Answer


Q141) What will be the effect of administration of extra iron into a normal man? Show Answer


Q142) Consumption of green vegetables helps in blood formation as: Show Answer


Q143) It is possible to store blood in laboratory by adding into the blood: Show Answer


Q144) The heart sound dup is produced when: Show Answer


Q145) Prothrombin is a substance necessary for blood clotting. This is produced in liver in presence of: Show Answer


Q146) Fibrinogen is present in blood in the form of soluble blood protein. This changes to fibrin which is a insoluble blood protein. This change is brought about by the action of: Show Answer


Q147) Volume of lymph in a normal man is: Show Answer


Q148) In limbs, lymph never reaches the blood without passing through at least one lymph node. This is for: Show Answer


Q149) Protein contents of lymph is: Show Answer


Q150) In lymph, the cells are: Show Answer


Q151) Heart beats are accelerated by: Show Answer


Q152) Q.R.S.T. is related with: Show Answer


Q153) In a rheumatic heart: Show Answer


Q154) Which of the following blood groups has no agglutinagen in its red blood corpuscles? Show Answer


Q155) The systolic and diastolic blood pressure in a normal adult are: Show Answer


Q156) The human healthy heart at rest beats in a minute nearly: Show Answer


Q157) The RBC count per cubic millimetre of blood is: Show Answer


Q158) The WBC count per cubic millimetre of blood is: Show Answer


Q159) The number of pulmonary veins in frog which carry oxygenated blood is: Show Answer


Q160) The platelets count per cubic millimetre of blood is: Show Answer


Q161) If a person, because of excessive concentration of bilirubin in plasma, acquires yellow appearance of the skin, sclerus and mucous membrane, the person is said to be the patient of: Show Answer


Q162) Hyperbilirubinemia occurs in man when: Show Answer


Q163) Maximum surface area of circulating system is seen in: Show Answer


Q164) Pacemaker of heart is situated: Show Answer


Q165) During systole: Show Answer


Q166) Heart beat is controlled by: Show Answer


Q167) If more carbon dioxide is produced during rapid cell respiration. This will: Show Answer


Q168) A cardiac cycle includes: Show Answer


Q169) In the function of heart systolic arterial blood pressure is the pressure in the arteries at the time of cardiac systole and hence shows: Show Answer


Q170) The diastolic arterial blood pressure is the pressure in the arteries at the time of cardiac diastole is the: Show Answer


Q171) The average electric charge formation in heart at rest is: Show Answer


Q172) The myogenic and neurogenic principles are associated with: Show Answer


Q173) Which of the following has no muscular walls? Show Answer


Q174) One heart beat in an average man lasts: Show Answer


Q175) In man one auticular systole takes: Show Answer


Q176) In man one ventricular systole takes: Show Answer


Q177) In man one ventricular diastole takes: Show Answer


Q178) The term blood volume means: Show Answer


Q179) Cortisone controls: Show Answer


Q180) Plasma prothrombin time is prolonged by administration of: Show Answer


Q181) Highly oxygenated blood is found in: Show Answer


Q182) Chordae tendineae are found in: Show Answer


Q183) The arterial pulse is due to: Show Answer


Q184) The heart would have to do a tremendous amount of work to pump the blood in the vessel if: Show Answer


Q185) Sometimes new born infants show physiological jaundice. It is due to: Show Answer


Q186) Blood clot sometimes formed in vessels blocking the flow of blood is called: Show Answer


Q187) In frog, the postcaval is constituted by: Show Answer


Q188) Coagulation will be retarded by: Show Answer


Q189) Which of the these vessels has only one layer of cells named tunica intima? Show Answer


Q190) What is the approximate volume of blood per kg of human body weight: Show Answer


Q191) Which is not a function of blood? Show Answer


Q192) Active bone marrow in adult human being is about: Show Answer


Q193) One change out of the following is of great importance during clotting of blood. Pick up the same: Show Answer


Q194) An adult human with average health has systolic and diastolic pressures as: Show Answer


Q195) With respect to the ABO group, there are found major blood types because this blood group is determined by: Show Answer


Q196) Heart beats are affected by: Show Answer


Q197) Which of the following is the cancerous state of blood? Show Answer


Q198) Oxygenated blood is found in: Show Answer


Q199) Heart beat originates from: Show Answer


Q200) In vertebrate blood the carrier of oxygen to the tissues or respiratory pigment is: Show Answer


Q201) Who discovered Rh factor? Show Answer


Q202) The gene for main factor for clotting of blood is present on: Show Answer


Q203) Which of the following is not a granulocyte? Show Answer


Q204) The life span of human W.B.C. is approximately? Show Answer


Q205) Megakaryocytes give rise to: Show Answer


Q206) Which of the following statements is not correct for sickle cell anaemia? Show Answer


Q207) Mitral valve is present between: Show Answer


Q208) Which of the following factors is known as 'Christmas factor': Show Answer


Q209) Nucleated RBCs found in: Show Answer


Q210) In rabbit cardiac shpincter is found in: Show Answer


Q211) The tendons connecting papillary muscles and heart valves are called: Show Answer


Q212) QRS is related with: Show Answer


Q213) Sinus venosus is absent in: Show Answer


Q214) Pace maker of heart is made up of: Show Answer


Q215) Pace maker of heart is introduced for: Show Answer


Q216) Vertebrate's heart originates from: Show Answer


Q217) Rate of heart beat is controlled by: Show Answer


Q218) Which of the antibody accompanies the Rh-factor? Show Answer


Q219) Which of the following does not have an open circulatory system? Show Answer


Q220) A person with blood group O urgently needs transfusion of blood. Blood of which blood group can be given to him: Show Answer


Q221) Blood from a donor with 'AB' Blood-group can be transfused into a person with blood group: Show Answer


Q222) When the plasma protein for clotting is absent in blood, it causes: Show Answer


Q223) At high altitude some changes take place in blood. This change is: Show Answer


Q224) Four chambered heart is found in: Show Answer


Q225) Normal WBC count is 5000 to 10,000 cub/mm of blood. When number of WBCs fall below normal level this is called leucopenia. It occurs due to: Show Answer


Q226) Pulse rate is result of: Show Answer


Q227) Venous system of frog differs from rabbit in having: Show Answer


Q228) Heart of frog differs from that of rabbit in having: Show Answer


Q229) Vitamin required for the formation of prothrombin is: Show Answer


Q230) In blood: Show Answer


Q231) Which organ receives only oxygenated blood? Show Answer


Q232) Thrombocytes have a life of: Show Answer


Q233) Average cardiac output is: Show Answer


Q234) The wall of heart is made up of: Show Answer


Q235) Which of the following blood vessels in mammals normally carry largest amount of urea? Show Answer


Q236) The pace setter in human heart is: Show Answer


Q237) Heart is innervated by: Show Answer


Q238) Right atrium of man's heart receives blood from: Show Answer


Q239) During diastole: Show Answer


Q240) Bicuspid valve allows blood from: Show Answer


Q241) Blood pressure if defined as: Show Answer


Q242) Blood supply to kidney is: Show Answer


Q243) During high blood pressure, regulation of heart beat and circulation are controlled by: Show Answer


Q244) What is true about vein? Show Answer


Q245) Blood pressure if measured by: Show Answer


Q246) Pulmonary artery differs pulmonary vein in having: Show Answer


Q247) The blood protein involved in blood coagulation is: Show Answer


Q248) Blood vessel which brings oxygenated blood to right auricle is: Show Answer


Q249) A sample of blood shows clumping with antiserum A but not with antiserum B. The blood group would be: Show Answer


Q250) Person with AB blood group can receive blood from: Show Answer


Q251) Blood group B means the person: Show Answer


Q252) Which one carries oxygen? Show Answer


Q253) Collecting of WBCs at the site of injury occurs due to: Show Answer


Q254) In Prawn, the heart pumps: Show Answer


Q255) Blood circulation is open in: Show Answer


Q256) Heart sound which is longer is: Show Answer


Q257) Adrenaline directly affects on: Show Answer


Q258) Continuous bleeding from an injured part of body is due to deficiency of: Show Answer


Q259) Impulse of heart beat originates from: Show Answer


Q260) Bundle of His is network of: Show Answer


Q261) Systemic heart refers to: Show Answer


Q262) Choose the correct proportion with respect to the distribution of blood in the body of man: Show Answer


Q263) The rate of the heart beats and their conduction is represented in the pathway: Show Answer


Q264) Of the following the one which is an example of buffer system in blood is: Show Answer


Q265) The chamber of human heart, which has thickest wall: Show Answer


Q266) Person with blood group A has: Show Answer


Q267) The part or antibody molecule which acts as binding site for specific related antigen is: Show Answer


Q268) The treatment of snake bite by antivenom is an example of: Show Answer


Q269) Serum is: Show Answer


Q270) Bundle of 'His' is group of: Show Answer


Q271) In which one of the following pair of terms both represent one and the same thing? Show Answer


Q272) Four chambered heart is present in: Show Answer


Q273) Nucleus of monocyte is: Show Answer


Q274) You are required to draw blood from a 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 these will you not use for the purpose? Show Answer


Q275) Insulin and glucagon are transported to target organ by: Show Answer


Q276) Which of the following is correct pair? Show Answer


Q277) An artificial pacemaker is implanted subcutaneously and connected to the heart in patients: Show Answer


Q278) G-6-P dehydrogenase deficiency is associated with haemolysis of: Show Answer


Q279) Which of the following substances, if introduced into the blood stream, would cause coagultion of blood at the site of its introduction? Show Answer


Q280) What happens when the pacemaker is non-functional? Show Answer


Q281) In sickle cell anaemia the glutamic acid is replaced by: Show Answer


Q282) The process of formation of blood corpuscles is called: Show Answer


Q283) Leech secretes which of the following anticoagulant? Show Answer


Q284) Mark the odd one: Show Answer


Q285) Find out the incorrect answer from the following? Show Answer


Q286) How many times a red blood corpuscle will have to pass through the heart in its journey from hepatic artery to the aorta? Show Answer


Q287) Heart of Heart' is Show Answer


Q288) SA-node is located in: Show Answer


Q289) Yellow bone marrow is found especially in the medullary cavity of: Show Answer


Q290) An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as: Show Answer


Q291) Closure of which of the following makes louder sound of heart beat? Show Answer


Q292) Which of the following is main negative mineral ion in extracellular fluid? Show Answer


Q293) In ECG, what 'T' wave represent? Show Answer


Q294) Which leucocytes releases heparin and histamines in the blood? Show Answer


Q295) Graveyard of blood is: Show Answer


Q296) A drop of each of the following, is placed separately on four sides. Which of them will not coagulate? Show Answer


Q297) The value situated between the left atrium and left ventricle is called: Show Answer


Q298) In humans, blood passes from the postcaval to the diastolic right atrium of the heart due to: Show Answer


Q299) Which one of the following statements is correct regarding blood pressure: Show Answer


Q300) Arteries are best defined as the vessels which: Show Answer


Q301) Bundle of His' is a part of which one the following organs in humans? Show Answer


Q302) Which one of the following plasma proteins is involved in the coagulation of blood? Show Answer


Q303) In which of the following capillary system is present? Show Answer


Q304) Respiratory pigment is dissolved in plasma of blood in case of: Show Answer


Q305) Heart of cockroach is 13 chambered. Each chamber bears a pair of aperture guarded by valves. The apertures are: Show Answer


Q306) Which of the follwing is involved in maintaining pH of blood by buffering action? Show Answer


Q307) Erythrocytes do not contain: Show Answer


Q308) Neutrophils are responsible for protection against infection. They constitute how much % age of total leucocyte count: Show Answer


Q309) Monocytes have kidney shaped nucleus and contitute 5-6 per cent of total WBC. The diameter of monocyte is about: Show Answer


Q310) If there is a complete mixing of oxygenated and deoxygenated blood in the heart, then: Show Answer


Q311) QRS in ECG is related to: Show Answer


Q312) Which one of the following statements is correct? Show Answer


Q313) Mammals native to high altitudes have haemoglobins of greater oxygen affinity than low altitude forms because: Show Answer


Q314) The innermost layer of blood capillaties is made up of: Show Answer


Q315) The cords of Billorth are blood spaces which are found in: Show Answer


Q316) S.A. node is small flattened ellipsoid strip of muscle fibre measuring about: Show Answer


Q317) The first heart sound created by closure of AV valve is loud. It lasts for: Show Answer


Q318) Patients in which atrial impulse suddenly falls to be transimitted to ventricles. Such a case is called: Show Answer


Q319) Wall of heart is covered externally by: Show Answer


Q320) Which of the following statements are wrong?
(i) Leucocytes disintegrate in the spleen and liver.
(ii) RBC, WBC and blood platelets are produced by bone marrow.
(iii) Neutrophils bring about destruction and detoxification of toxins of protein origin.
(iv) The important function of lymphocytes is to produce anitbodies. Show Answer


Q321) Which one of the following four secretions is matched with its source, target and nature of action?
Secretion:Source:Target:Action Show Answer


Q322) Open circulatory system is present in
(a) arthropods
(b) annelids
(c) chordates
(d) molluscs Show Answer


Q323) Heamolysis can occur in one of the following cases:
Blood groups
Mother:Child Show Answer