Practice Test


1) The main difference in the circulation of blood and lymph is:


2) 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:


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


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


5) Haemoglobin transport oxygen to the extent of:


6) Which one of the following blood vessels has a thick muscular coat?


7) Which chamber of human heart has thickest muscular wall?


8) The blood flows fast and with jerks in:


9) Haemoglobin is found dissolved in the plasma of:


10) The correct sequence followed by the blood flowing through the heart of frog is:


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


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


13) The posterior pair of lymph hearts in frog pump lymph into:


14) Blood enters the heart because muscles of the:


15) The breakdown product of haemoglobin is:


16) How many renal veins emerge out of frog and mammalian kidney respectively?


17) Select advantage of a double circulation over a single circulation:


18) In amphibian heart the cavity present at the base of truncus arteriosus is called:


19) The shoulder and forelimb are connected to the heart by:


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


21) In persons suffering from sickle cell anaemia, erythrocytes become sickle shaped when:


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


23) The blood pressure is high in:


24) The exchange of materials between blood and interstitial fluid only at the:


25) The rate of heart beat per minute is highest in case of:


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


27) The precaval veins collect blood from:


28) Thrombosis in which coronary artery is met most frequently in MI (Myocardial infarction):


29) The portal system present in all the vertebrates is:


30) Hepatic portal vein in frog before reaching the liver, joins the:


31) Which one of the following proteins is not normal component of blood plasma?


32) In frog, dorsal side of the heart is occupied by:


33) Opening of truncus arteriosus of frog is guarded by:


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


35) Right auricle of heart of human is:


36) Heart of fish is:


37) Opening of pulmonary vein to left auricle is guarded by:


38) In a closed circulatory system, blood is completely closed within:


39) The heart is enclosed in a double walled thin bag called:


40) Main function of pericardial fluid is:


41) Heart is made of:


42) Absolute refractory period of heart is:


43) The heart muscles work rhythmically always by:


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


45) Heart beats are affected by:


46) Heart beats are accelerated by the:


47) Ringer's solution contains:


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


49) The common name of sinu-auricular node is:


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


51) The opening of auricles into ventricle in frog is guarded by:


52) During the coagulation of blood, vitamin K helps in the:


53) Oxygenated blood enters the heart in the:


54) Sciatic vein collects blood and pours it in:


55) Blood from the lung of human is carried by:


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


57) The circulation of blood was first discovered by:


58) The opening of the upper chamber of the heart into the lower chamber is known as:


59) The blood leaving the lungs is richer than the blood entering the lungs in:


60) The artery which carries deoxygenated blood is known as:


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


62) Which of the following statements is true for arteries?


63) Perfusion of heart of frog with acetylcholine will cause:


64) Connection between arteries and veins is through:


65) Blood which after circulation comes from liver to heart has:


66) The innermost coat of the wall of artery is called:


67) The wall of vein is:


68) Tunica media of blood vessels is formed of:


69) Endothelium is formed of:


70) Arterial system of frog includes:


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


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


73) Coelomic fluid is:


74) Lynph is modified blood that contains:


75) Carotid labyrinth of frog is a:


76) Auriculo-ventricular valve in heart of frog is:


77) In the embryonic condition the interauricular septum has an aperture called:


78) Bundles of His is a network of:


79) Blood is considered to be a fluid tissue, the reason is:


80) In the blood, the blood cells account to:


81) The density of blood is:


82) Formation of red blood cells from bone marrow is called:


83) Which one of the following cells has least consistent shape?


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


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


86) How much water does the plasma contain?


87) The clear fluid formed out of the blood after the blood clot is called:


88) Which one of the following proteins help catalytically in the clotting of blood?


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


90) Which of the following leucocytes have an unlobed nucleus?


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


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


93) The condition of uncontrolled and abnormally rapid formation of white blood cells is called:


94) Which of the following leucocytes has multilobed nucleus?


95) Which of the following leucocytes has bilobed nucleus?


96) The percentage of proteins in blood plasma is about:


97) Heparin, helpful in the ingestion of food is produced by the glands of:


98) Blood from kidney of human is returned by:


99) The auriculo-ventricular node in human heart was discovered by:


100) The cation (mineral) necessary for coagulation of blood is:


101) Iron free compound of haemoglobin is:


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


103) Thromboplastin is an enzyme which is released by:


104) 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.


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


106) The white pus given out through a wound is made of:


107) An antigen is a:


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


109) The pulse pressure is the:


110) Humoral antibodies are produced by:


111) The number of red blood cells per cubic millimetre of blood in a woman is:


112) Diameter of a red blood cell in man is:


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


114) The number of red blood cells per cubic millimetre of blood in a man is:


115) 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:


116) In adult the formation of erythrocyte mainly takes place in:


117) The life span of erythrocyte in man is:


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


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


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


121) In pernicious anaemia there is:


122) Megaloblasts are:


123) In our body, storage of vitamins is in:


124) 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:


125) Human blood group substances (antigens) present on the surface of erythrocytes are:


126) Human blood group substances are free from:


127) Karl Landsteiner recognised:


128) de Castello and Sturli discovered:


129) The clumping of red blood cells because of wrong blood transfusion is called:


130) Among Asian population, the percentage of people having Rh factor is:


131) An abnormal high white cell count in man is called:


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


133) If the clotting mechanism functions inadequately, then it is called:


134) Which of the following blood groups is a universal donor?


135) The blood does not coagulate inside our body, because of:


136) In origin the red cells are:


137) Haematocrit is related with:


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


139) Fibrinogen, Prothrombin and Albumin are manufactured only in:


140) 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:


141) What will be the effect of administration of extra iron into a normal man?


142) Consumption of green vegetables helps in blood formation as:


143) It is possible to store blood in laboratory by adding into the blood:


144) The heart sound dup is produced when:


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


146) 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:


147) Volume of lymph in a normal man is:


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


149) Protein contents of lymph is:


150) In lymph, the cells are:


151) Heart beats are accelerated by:


152) Q.R.S.T. is related with:


153) In a rheumatic heart:


154) Which of the following blood groups has no agglutinagen in its red blood corpuscles?


155) The systolic and diastolic blood pressure in a normal adult are:


156) The human healthy heart at rest beats in a minute nearly:


157) The RBC count per cubic millimetre of blood is:


158) The WBC count per cubic millimetre of blood is:


159) The number of pulmonary veins in frog which carry oxygenated blood is:


160) The platelets count per cubic millimetre of blood is:


161) 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:


162) Hyperbilirubinemia occurs in man when:


163) Maximum surface area of circulating system is seen in:


164) Pacemaker of heart is situated:


165) During systole:


166) Heart beat is controlled by:


167) If more carbon dioxide is produced during rapid cell respiration. This will:


168) A cardiac cycle includes:


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


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


171) The average electric charge formation in heart at rest is:


172) The myogenic and neurogenic principles are associated with:


173) Which of the following has no muscular walls?


174) One heart beat in an average man lasts:


175) In man one auticular systole takes:


176) In man one ventricular systole takes:


177) In man one ventricular diastole takes:


178) The term blood volume means:


179) Cortisone controls:


180) Plasma prothrombin time is prolonged by administration of:


181) Highly oxygenated blood is found in:


182) Chordae tendineae are found in:


183) The arterial pulse is due to:


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


185) Sometimes new born infants show physiological jaundice. It is due to:


186) Blood clot sometimes formed in vessels blocking the flow of blood is called:


187) In frog, the postcaval is constituted by:


188) Coagulation will be retarded by:


189) Which of the these vessels has only one layer of cells named tunica intima?


190) What is the approximate volume of blood per kg of human body weight:


191) Which is not a function of blood?


192) Active bone marrow in adult human being is about:


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


194) An adult human with average health has systolic and diastolic pressures as:


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


196) Heart beats are affected by:


197) Which of the following is the cancerous state of blood?


198) Oxygenated blood is found in:


199) Heart beat originates from:


200) In vertebrate blood the carrier of oxygen to the tissues or respiratory pigment is:


201) Who discovered Rh factor?


202) The gene for main factor for clotting of blood is present on:


203) Which of the following is not a granulocyte?


204) The life span of human W.B.C. is approximately?


205) Megakaryocytes give rise to:


206) Which of the following statements is not correct for sickle cell anaemia?


207) Mitral valve is present between:


208) Which of the following factors is known as 'Christmas factor':


209) Nucleated RBCs found in:


210) In rabbit cardiac shpincter is found in:


211) The tendons connecting papillary muscles and heart valves are called:


212) QRS is related with:


213) Sinus venosus is absent in:


214) Pace maker of heart is made up of:


215) Pace maker of heart is introduced for:


216) Vertebrate's heart originates from:


217) Rate of heart beat is controlled by:


218) Which of the antibody accompanies the Rh-factor?


219) Which of the following does not have an open circulatory system?


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


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


222) When the plasma protein for clotting is absent in blood, it causes:


223) At high altitude some changes take place in blood. This change is:


224) Four chambered heart is found in:


225) 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:


226) Pulse rate is result of:


227) Venous system of frog differs from rabbit in having:


228) Heart of frog differs from that of rabbit in having:


229) Vitamin required for the formation of prothrombin is:


230) In blood:


231) Which organ receives only oxygenated blood?


232) Thrombocytes have a life of:


233) Average cardiac output is:


234) The wall of heart is made up of:


235) Which of the following blood vessels in mammals normally carry largest amount of urea?


236) The pace setter in human heart is:


237) Heart is innervated by:


238) Right atrium of man's heart receives blood from:


239) During diastole:


240) Bicuspid valve allows blood from:


241) Blood pressure if defined as:


242) Blood supply to kidney is:


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


244) What is true about vein?


245) Blood pressure if measured by:


246) Pulmonary artery differs pulmonary vein in having:


247) The blood protein involved in blood coagulation is:


248) Blood vessel which brings oxygenated blood to right auricle is:


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


250) Person with AB blood group can receive blood from:


251) Blood group B means the person:


252) Which one carries oxygen?


253) Collecting of WBCs at the site of injury occurs due to:


254) In Prawn, the heart pumps:


255) Blood circulation is open in:


256) Heart sound which is longer is:


257) Adrenaline directly affects on:


258) Continuous bleeding from an injured part of body is due to deficiency of:


259) Impulse of heart beat originates from:


260) Bundle of His is network of:


261) Systemic heart refers to:


262) Choose the correct proportion with respect to the distribution of blood in the body of man:


263) The rate of the heart beats and their conduction is represented in the pathway:


264) Of the following the one which is an example of buffer system in blood is:


265) The chamber of human heart, which has thickest wall:


266) Person with blood group A has:


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


268) The treatment of snake bite by antivenom is an example of:


269) Serum is:


270) Bundle of 'His' is group of:


271) In which one of the following pair of terms both represent one and the same thing?


272) Four chambered heart is present in:


273) Nucleus of monocyte is:


274) 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?


275) Insulin and glucagon are transported to target organ by:


276) Which of the following is correct pair?


277) An artificial pacemaker is implanted subcutaneously and connected to the heart in patients:


278) G-6-P dehydrogenase deficiency is associated with haemolysis of:


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


280) What happens when the pacemaker is non-functional?


281) In sickle cell anaemia the glutamic acid is replaced by:


282) The process of formation of blood corpuscles is called:


283) Leech secretes which of the following anticoagulant?


284) Mark the odd one:


285) Find out the incorrect answer from the following?


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


287) Heart of Heart' is


288) SA-node is located in:


289) Yellow bone marrow is found especially in the medullary cavity of:


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


291) Closure of which of the following makes louder sound of heart beat?


292) Which of the following is main negative mineral ion in extracellular fluid?


293) In ECG, what 'T' wave represent?


294) Which leucocytes releases heparin and histamines in the blood?


295) Graveyard of blood is:


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


297) The value situated between the left atrium and left ventricle is called:


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


299) Which one of the following statements is correct regarding blood pressure:


300) Arteries are best defined as the vessels which:


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


302) Which one of the following plasma proteins is involved in the coagulation of blood?


303) In which of the following capillary system is present?


304) Respiratory pigment is dissolved in plasma of blood in case of:


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


306) Which of the follwing is involved in maintaining pH of blood by buffering action?


307) Erythrocytes do not contain:


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


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


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


311) QRS in ECG is related to:


312) Which one of the following statements is correct?


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


314) The innermost layer of blood capillaties is made up of:


315) The cords of Billorth are blood spaces which are found in:


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


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


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


319) Wall of heart is covered externally by:


320) 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.


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


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


323) Heamolysis can occur in one of the following cases:
Blood groups
Mother:Child