MCQs

11262 questions found

Practice Questions

91. The primary role of ADH (Antidiuretic Hormone) is to:

A. Increase urine output

B. Decrease urine output by increasing water reabsorption ✓

C. Increase sodium excretion

D. Decrease potassium reabsorption

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

90. The process of reabsorption in the kidney involves the movement of substances from the:

A. Blood to the filtrate

B. Filtrate back into the blood ✓

C. Filtrate to the outside of the body

D. Blood to the urine

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

89. The structure that transports bile from the gallbladder to the duodenum is the:

A. Pancreatic duct

B. Cystic duct

C. Common bile duct ✓

D. Hepatic duct

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

88. The presence of food in the duodenum stimulates the release of hormones that inhibit gastric emptying, known as:

A. Gastrin

B. Secretin and Cholecystokinin (CCK) ✓

C. Ghrelin

D. Leptin

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

87. The enzyme in the stomach responsible for protein digestion is:

A. Amylase

B. Lipase

C. Pepsin ✓

D. Trypsin

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

86. The correct order of structures that air passes through during inhalation is:

A. Trachea, larynx, pharynx, bronchi, bronchioles, alveoli

B. Pharynx, larynx, trachea, bronchi, bronchioles, alveoli ✓

C. Larynx, pharynx, trachea, bronchi, bronchioles, alveoli

D. Alveoli, bronchioles, bronchi, trachea, larynx, pharynx

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

85. Inhalation is primarily an active process because it involves:

A. Relaxation of diaphragm

B. Contraction of diaphragm and external intercostals ✓

C. Passive recoil of lungs

D. Air moving down its pressure gradient

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

84. The spleen primarily functions to:

A. Produce red blood cells

B. Filter blood and remove old erythrocytes ✓

C. Produce hormones

D. Store fat

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

83. Which blood type is considered the universal donor?

A. A positive

B. B negative

C. AB negative

D. O negative ✓

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

82. The largest artery in the body is the:

A. Pulmonary artery

B. Femoral artery

C. Carotid artery

D. Aorta ✓

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

81. What is the main function of red bone marrow in adults?

A. Fat storage

B. Calcium storage

C. Hematopoiesis (blood cell formation) ✓

D. Hormone production

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

80. The pacemaker potential of the SA node is due to the slow influx of what ions?

A. Sodium ions ✓

B. Potassium ions

C. Calcium ions

D. Chloride ions

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

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

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MCQs

Practice Questions

91. The primary role of ADH (Antidiuretic Hormone) is to:

90. The process of reabsorption in the kidney involves the movement of substances from the:

89. The structure that transports bile from the gallbladder to the duodenum is the:

88. The presence of food in the duodenum stimulates the release of hormones that inhibit gastric emptying, known as:

87. The enzyme in the stomach responsible for protein digestion is:

86. The correct order of structures that air passes through during inhalation is:

85. Inhalation is primarily an active process because it involves:

84. The spleen primarily functions to:

83. Which blood type is considered the universal donor?

82. The largest artery in the body is the:

81. What is the main function of red bone marrow in adults?

80. The pacemaker potential of the SA node is due to the slow influx of what ions?

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

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

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

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

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

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

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

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