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Practice Questions

79. The hormone secreted by the thyroid gland that increases metabolic rate is:

A. Calcitonin
B. Parathyroid hormone
C. Thyroxine (T4) ✓
D. Aldosterone
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

78. Which male accessory gland produces a milky, slightly acidic fluid that activates sperm?

A. Seminal vesicle
B. Bulbourethral gland
C. Prostate gland ✓
D. Epididymis
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

77. The ovarian cycle involves the development of the follicle and the egg. Which hormone peaks just before ovulation?

A. Estrogen
B. Progesterone
C. FSH
D. LH ✓
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

76. The structure that carries urine from the kidney to the bladder is the:

A. Urethra
B. Ureter ✓
C. Vas deferens
D. Renal artery
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

75. The major site of filtration in the nephron is the:

A. Glomerulus ✓
B. Loop of Henle
C. Distal convoluted tubule
D. Collecting duct
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

74. The hormone that causes the secretion of digestive enzymes from the pancreas is:

A. Gastrin
B. Secretin
C. Cholecystokinin (CCK) ✓
D. Glucagon
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

73. The primary function of the surfactant in the alveoli is to:

A. Increase surface tension
B. Decrease surface tension ✓
C. Promote gas exchange
D. Fight infection
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

72. Which type of immunity is gained when antibodies are passed from mother to fetus?

A. Active natural immunity
B. Passive natural immunity ✓
C. Active artificial immunity
D. Passive artificial immunity
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

71. The lymphatic system returns fluid to the bloodstream via the:

A. Subclavian veins ✓
B. Jugular veins
C. Carotid arteries
D. Aorta
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

70. What component of blood is responsible for initiating the clotting cascade?

A. Red blood cells
B. White blood cells
C. Plasma proteins
D. Platelets ✓
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

69. The blood vessels that directly supply the heart muscle with oxygenated blood are the:

A. Pulmonary arteries
B. Coronary arteries ✓
C. Aorta
D. Vena cava
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

68. The anterior pituitary hormone that stimulates the adrenal cortex to secrete hormones is:

A. TSH
B. ACTH ✓
C. GH
D. PRL
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

67. Which hormone is essential for the maturation of sperm and secondary male sexual characteristics?

A. Estrogen
B. Progesterone
C. Testosterone ✓
D. Luteinizing hormone
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

66. The average gestation period in humans is approximately:

A. 28 weeks
B. 32 weeks
C. 38 weeks ✓
D. 42 weeks
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

65. The release of renin by the kidneys is stimulated by:

A. High blood pressure
B. Low blood pressure ✓
C. High sodium levels
D. High potassium levels
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

64. The reabsorption of most filtered glucose and amino acids occurs in the:

A. Loop of Henle
B. Distal convoluted tubule
C. Proximal convoluted tubule ✓
D. Collecting duct
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

63. What prevents food from entering the trachea during swallowing?

A. Uvula
B. Soft palate
C. Epiglottis ✓
D. Tongue
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

62. The hepatic portal vein carries nutrient-rich, deoxygenated blood from the digestive organs to the:

A. Heart
B. Kidneys
C. Liver ✓
D. Spleen
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026

61. The functional residual capacity (FRC) is the volume of air remaining in the lungs after a:

A. Normal inspiration
B. Normal expiration ✓
C. Forced inspiration
D. Forced expiration
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nmdcat.online Anatomy & Physiology -II
Jun 6, 2026
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