MCQs

11212 questions found

Practice Questions

98. The smallest arteries are called:

A. Veins

B. Venules

C. Arterioles ✓

D. Capillaries

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

97. The valve located between the left atrium and left ventricle is the:

A. Tricuspid valve

B. Pulmonary valve

C. Aortic valve

D. Mitral (bicuspid) valve ✓

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

96. Which gland produces melatonin, regulating sleep-wake cycles?

A. Thyroid gland

B. Pineal gland ✓

C. Pituitary gland

D. Adrenal gland

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

95. The hormone responsible for the production of breast milk is:

A. Oxytocin

B. Prolactin ✓

C. Estrogen

D. Progesterone

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

94. The testes are located in the scrotum to:

A. Protect them from trauma

B. Regulate their temperature for sperm production ✓

C. Provide structural support

D. Facilitate hormone secretion

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

93. What is the muscular layer of the uterus called?

A. Endometrium

B. Perimetrium

C. Myometrium ✓

D. Cervix

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

92. The hormone responsible for the maturation of follicles in the ovary is:

A. LH

B. FSH ✓

C. Progesterone

D. Estrogen

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nmdcat.online Anatomy & Physiology -II

Jun 6, 2026

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

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MCQs

Practice Questions

98. The smallest arteries are called:

97. The valve located between the left atrium and left ventricle is the:

96. Which gland produces melatonin, regulating sleep-wake cycles?

95. The hormone responsible for the production of breast milk is:

94. The testes are located in the scrotum to:

93. What is the muscular layer of the uterus called?

92. The hormone responsible for the maturation of follicles in the ovary is:

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?

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