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Practice Questions

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
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