1. Lymphatic system in man is
Ans. Open type
2. Extra cellular fluid that enters the capillaries is called
Ans. Lymph
3. Study the following.
a. Lymphatic system is open type.
b. The main lymphatic duct opens into precaval vein at the junction of left internal jugular vein and left subclavian vein.
c. Tonsils and appendix are also lymphoid organs.
d. In lymph nodes harmful microbes are distroyed.
The correct statements are
Ans. a - b - c - d
4. Blood circulation takes the following course in human heart
Ans. Left atrium 
Left ventricle Body parts Right atrium Right ventricle.
5. Mitral valve guards the opening between
Ans. Left atrium and left ventricle
6. Chordae tendinae are found in
Ans. Ventricles of heart
7. Pick out the correct one.
1) SA node Wall of atria AV node Bundle of His Ventricles Purkinje fibres
2) SA node Wall of atria AV node Bundle of His Purkinje fibres Ventricles
3) SA node AV node Atria Bundle of His Ventricles
4) SA node Atria Bundle of His AV node Ventricles
Ans. SA node Wall of atria AV node Bundle of His Purkinje fibres Ventricles
8. Study the following statements.
a. Atria and ventricles are externally separated by atrio ventricular septum.
b. Two ventricles are externally separated by an oblique inter ventricular groove.
c. Each atrium extends posteriorly as a flap called auricular appendix.
d. In embryonic stage the inter ventricular septum has fossa ovalis.
The correct statements are
Ans. b - c
9. Read the following statements.
a. Arteries supply blood from heart to different body parts.
b. Lumen of artery is narrow and valvular.
c. Arteries always begin with capillaries.
d. Tunica externa of an artery is formed by elastic, collagen fibres.
The correct statements are
Ans. a - d
10. Study the following.
a. Blood coagulation is also called homeostasis.
b. Blood clotting is a change in plasma.
c. Serum does not contain clotting proteins like prothrombin & fibrinogen.
d. Blood clot is also known as thrombus.
Which of the above statements is wrong?
Ans. a
11. Match the following.
| A. Foramen ovale | I. Atrioventricular node |
| B. Ectopic pacemaker | II. Embryonic heart |
| C. Mediastenum | III. Pulmonary & systemic arches |
| D. Ligamentum arteriosum | IV. Heart |
A B C D
Ans. II I IV III
12. Match the following.
| A. Fossa ovalis | I. Pulmonary arch |
| B. Bundle of His | II. Post caval vein |
| C. Eustachian valve | III. Inter artial septum |
| D. Semilunar valves | IV. Inter ventricular septum |
A B C D
Ans. III IV II I
13. Study the following.
a. Calcium ions are required for blood clotting.
b. To store blood citrates/oxalates of sodium or EDTA are used in blood banks.
c. Heparin is anticoagulant produced by mast cells and basophils.
d. Heparin decreases the activity of antithrombin.
The correct statements are
Ans. a, b, c
14. Match the following.
| A. Coumadin | I. Basophils |
| B. Heparin | II. Antagonistic to vitamin K |
| C. EDTA | III. Initiation of intrinsic pathway |
| D. Hageman factor | IV. Preservative of blood |
A B C D
Ans. II I IV III
15. Study the following.
Ans. b-d
16. Study the following.
The correct combinations are
Ans. a - b
17. These are the layers in wall of heart
a. Epicardium b. Myocardium c. Parietal layer d. Endocardium
Arrange them in correct sequence from interior to exterior
Ans. d-b-a-c
18. Arrange the following in a sequence based on flow of blood
a. Right atrium b. Vena cavae c. Right ventricle
d. Pulmonary arch e. Lungs f. Left atrium
g. Common pulmonary vein h. Left ventricle
Ans. b-a-c-d-e-g-f-h
19. Assertion (A): In human heart deoxygenated blood always flows from right ventricle into pulmonary arch only.
Reason (R): Pulmonary valve present at the base of pulmonary arch prevents the reverse flow of blood.
Ans. A and R are true. R is correct explanation for A.
20. Assertion (A): Left atrium receives oxygenated blood from lungs.
Reason (R): Tricuspid valve allows the blood to flow from left atrium only.
Ans. A is true R is False.
21. The important function of lymphatic system is
Ans. Return intestitial fluid into blood
22. Coronary heart disease is due to
Ans. Insufficient supply of blood to heart muscles
23. Tachycardia is
Ans. Fast heart rate
24. Arrange the events in blood clotting in correct sequence is
a. Formation of prothrombin activator
b. Formation of thrombin
c. Formation of insoluble fibrin
d. Formation of soluble fibrin
Ans. a-b-d-c
25. Myocardium is formed by
Ans. Cardiac muscles
26. Protonephridia primarily help in
Ans. Osmoregulation
27. Pericardial glands are excretory organs of
Ans. Molluscs
28. Glomerulus in Bowman's capsule is formed by the branches of
Ans. Afferent arteriole and efferent arteriole
29. Renin is secreted when
Ans. Blood pressure in afferent arteriole decreases
30. Role of angiotensin II is
Ans. To stimulate the secretion of aldosterone
31. Athreshold substance is
Ans. Creatinine
32. Capillary net around loop of Henle is
Ans. Peritubular net
33. Match the following.
| A. Calyces | I. Tips of pyramids |
| B. Renal papillae | II. Extensions of cortex |
| C. Loop of Henle | III. Storage of urine |
| D. Columns of Bertin | IV. Pelvis edges accommadating pyramids |
| V. Increase concentration of urine |
A B C D
Ans. IV I V II
34. Match the following.
| A. Ammonia | I. Amphibia |
| B. Urea | II. Teleosts in fresh water |
| C. Uric acid | III. Creatinine |
| D. Athreshold substances | IV. Insects |
A B C D
Ans. II I IV III
35. Match the following.
| A. Glomerular filtration | I. Duct of Bellini |
| B. Obligatory water absorption | II . Descending limb of loop of Henle |
| C. Facultative water absorption | III. Bowman's capsule |
| D. Formation of urine | IV. PCT |
| V. DCT |
A B C D
Ans. III IV V I
36. Read the following.
The correct combination(s) among the above
Ans. a - b
37. Assertion (A): Renal fluid is progressively diluted as it passes through the ascending limb of loop of Henle.
Reason (R): The wall of ascending limb of loop of Henle is impermeable to water but permeable to absorb ions into medullary fluid.
Ans. A and R are true. R is correct explanation for A.
38. Assertion (A): Glucose content in urine is nil.
Reason (R): Glucose is a high threshold substance.
Ans. A and R are true. R is correct explanation for A.
39. Following are the blood vessels of kidney in man.
a. Renal vein b. Renal artery c. Afferent arteriole d. Efferent arteriole
Arrange them in order of blood flow through a nephron.
Ans. b-c-d-a
40. Following are parts of nephron.
a. PCT b. Collecting duct c. DCT d. LOH e. Malpighian body
Show the correct sequence of flow of renal fluid.
Ans. e-a-d-c-b
41. Read the following statements.
a. Ammonia is formed by oxydative deamination of amino acids.
b. Uric acid is less poisonous than ammonia and urea.
c. Arachnids have coxal glands.
d. Rennin plays important role in urine formation.
Correct statements among the above are
1) a - b - c 2) b - c - d 3) a - c - d 4) All are correct
Ans. All are correct
42. Read the following.
a. kidneys are retroperitoneal organs.
b. Angiotensin - II stimulates the adrenal cortex to secrete aldosterons.
c. The process of urination is called micturition.
d. Dialysis is done when kidneys fail to work.
e. Coxal glands are found in crustaceans.
Pick out the wrong statement.
Ans. e
43. Principle nitrogenous waste material in man is
Ans. Produced in liver and sent out through kidneys
44. Glucose is mainly absorbed in
Ans. PCT
45. In man, blood leaving liver and going to heart is rich in
Ans. Urea
