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Chap No 10 /
Quiz 5

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MDCAT Past Papers - UHS - Biology - Chap No 10 Quiz

Attempt 10 MCQs on MDCAT Past Papers - UHS - Biology - Chap No 10 | Quiz 5

41. Thoracic lymph duct of the lymphatic system opens into:

Superior vena cava
Subclavian vein
Inferior vena cava
Renal vein

42. Large lymph vessels ultimately form larger lymph duct, which drains its lymph into:

Carotid and Aorta
Vena cava and Aorta
Subclavian vein
Subclavian artery

43. The lymphatic vessels of the body empty the lymph into blood stream at?

Abdominal vein
jugular vein
Subclavian vein
Bile duct

44. The final destination of lymph is:

Lymph node
Lymph capillaries
Lymphoid organs
Sub clavian vein

45. #NAME?

Antibiotic antigen
antibodies, RBCs
Globulin, Histamine
Antibodies, antigen

46. The pressure exerted by a solution separated by semipermeable membrane from pure water is:

Osmotic pressure
Soil potential
Solute potential
Solvent potential

47. Which of the following best highlights the importance of proteins in immunity?

They act as receptors of pathogens
They are long term energy reserves
They act as antibodies
They act as mechanical barrier for pathogens

48. Which of the following blood vessels have lowest blood velocity with correct reason for low blood velocity?

Arteries: Due to thick walls
Capillaries: due to highest overall cross-sectional area
Veins: due to blood flow against the gravity
Capillaries: Due to two-way blood flow in capillaries

49. Which statement best explains the difference between humoral and cell mediated immune response?

Humoral immunity involves B-Lymphocytes and cell mediated immunity involves T-Lymphocytes
Humoral immunity destroys viruses and cell mediated immunity destroys bacteria
Humoral immunity is specific and cell mediated immunity is nonspecific
Humoral immunity uses antibodies and cell mediated immunity does not involve immune cells

50. A person in hot weather is unable to maintain body temperature. Which physiological process has failed?

Vasodilation & sweating
Vasoconstriction
Shivering
Renin secretion

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