physiology Mcqs
51. Secretin does not cause _______________?
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A. Bicarbonate secretion

B. Gastric secretion increase

C. Contraction of pyloric sphincter

D. Augments the action of CCK

52. Which of the following hormones does not affect growth ?
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A. Thyroid hormone

B. Oxytocin

C. Somatotropins

D. Estrogen

53. Oxytocin causes all accept_______________?
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A. Milk ejection

B. Myoepithelial cell contraction

C. Lactogenesis

D. Contraction of uterine muscle

54. Human chorionic gonadotrophin hormone ( HCG)______________?
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A. Production is greatest in the last three months of pregnancy

B. Acts on the uterus to maintain integrity of endometrium in early pregnancy

C. Can be identified in the urine of pregnant women by immunological technique

D. Is a steroid hormone

55. Noradrenaline is differentiated from adrenaline by increasing___________?
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A. Peripheral resistance

B. Heart rate

C. Cardiac output

D. All of the above

56. Paneth cells secrete which of the following ?
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A. Secretin

B. Maltase

C. Lipase

D. Antibacterial substance
58. Glucose tolerance test is usually done to assess_____________?
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A. Endocrine Dysfunction of Pancreas

B. Acute Pancreatitis

C. Acinar Function of the Pancreas

D. Carcinoma of Head of Pancreas

59. The volume of gas in the lungs at the end of normal expiration is____________?
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A. Functional residual capacity

B. Residual volume

C. Inspiratory reserve volume

D. Expiratory reserve volume

60. Bile color is due to_____________?
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A. 5 mercaptan purine

B. Bilirubin

C. Globulin

D. Creatinine

61. tidal volume in adult is_____________?
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A. 125 ml

B. 2200 ml

C. 1500 ml

D. 500 ml
62. Vital capacity is decreased, timed vital capacity (FEV 1.0 %) is normal in______________?
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A. Bronchial asthma

B. Chronic bronchitis

C. Scoliosis

D. Acute bronchitis

65. There absorption of sodium chloride in kidneys is controlled by the hormones____________?
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A. All of the above

B. Adrenaline

C. A.D.H. and vasopressin

D. Aldosterone
66. Bronchial circulation is associated with__________________?
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A. Gaseous exchange

B. Air conditioning

C. Drug absorption

D. Reserve volume

67. Function of ADH is________________?
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A. Na+ absorption

B. Water reabsorption

C. Water excretion

D. K+ secretion

72. The following hormones increase the blood glucose level except_____________?
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A. Growth Hormone

B. Parathormone

C. Thyroxine

D. Epinephrine

73. An important non- respiratory function of lungs is_____________?
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A. Sodium balance

B. Anion balance

C. Ca+2 balance

D. Potassium balance

74. Calcitonin is released by ___________________?
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A. Chief cells of thyroid

B. Parafollicular cells of thyroid

C. Stratum fasciculata of adrenal gland

D. Granular cells of adrenal gland

75. Which hormone is released when serum calcium decreases ?
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A. Calcitonin

B. Parathormone

C. Adrenaline

D. Thyroxine

76. Which of the following is associated with a low concentration of ionized calcium in the serum ?
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A. Osteogenesis imperfecta

B. Hypothyroidism

C. Tetany

D. Pagets disease of the bone

79. Ventilation perfusion ratio is maximum in_______________?
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A. Posterior lobe of lung

B. Apex of lung

C. Base of lung

D. Middle lobe of lung

80. Hormone responsible for milk ejection______________?
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A. Estrogen

B. Prolactin

C. Progesterone

D. Oxytocin
81. At high altitudes the following changes takes place except_______________?
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A. Increases in depth of respiration

B. Increase in oxygen carrying capacity of blood

C. Increase in respiratory rate

D. Increase in partial pressure of CO2
82. Which of these following is not an effect of insulin ?
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A. Decreased gluconeogenesis

B. Induction of lipoprotein lipase

C. Increased glycogenolysis

D. Increased transport of glucose into cells

83. Which of the following adaptations will be apt to increase the work capacity at high altitude_________________?
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A. Increased workload, increasing duration of exercise

B. Decreasing workload, decreasing duration of exercise

C. Decreasing workload, increasing duration of exercise

D. Increased workload, decreasing duration of exercise

85. Which of the following statements about pulmonary surfactant is false ?
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A. It contains lecithin and sphingomyelin

B. It prevents collapse of smaller alveoli

C. It is secreted by Type II pneumocytes

D. It increases surface tension
86. Hyperthyroidism can be caused by____________?
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A. Penicillamine

B. Clonidine

C. Amiodarone

D. Hydralazine

87. Which of the following is called hunger hormone______________?
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A. Pituitary

B. Epinephrine

C. Thyroxine

D. Glucagon
88. During the initial part of inspiration, which of the following does not occur ?
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A. Intra thoracic pressure rises

B. Intrapulmonary pressure falls

C. The partial pressure of O2 in dead space rises

D. Intra-abdominal pressure rises

89. The most common form of hypoxia is______________?
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A. Stagnant

B. Histotoxic

C. Hypoxic

D. Anemic

90. The transport of CO is diffusion limited because_______________?
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A. CO is less absorbed in water

B. Bind avidly with Hb

C. Partial pressure of CO is less

D. Alveolar membrane is less permeable

91. Cortisol______________?
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A. Enhances antigen antibody reactions

B. Favours protein synthesis

C. Tends to lower blood pressure

D. Secretion increases following injury
92. Endocrine disorder is the primary cause of______________?
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A. Albrights syndrome

B. Acromegaly

C. Fibrous dysplasia

D. Pagets disease

94. Which is not produced enteroendocrinally_____________?
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A. Intrinsic factor

B. Motilin

C. GIP

D. Secretin

95. Features of hypothyroidism does not include______________?
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A. High TSH levels

B. Hypertension

C. Increased risk of infections

D. Obseity

96. In conns disease, there is an excess of______________?
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A. Noradrenaline

B. Cortisol

C. Adrenaline

D. Aldosterone
97. Insulin facilitates glucose uptake in____________?
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A. Brain

B. Red blood cells

C. Skeletal muscle

D. Kidney tubules

98. Nutrients are mainly absorbed in______________?
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A. Liver

B. Small intestine

C. Large intestine

D. Stomach

99. Following are local hormones except___________?
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A. Heparin

B. Acetylcholine

C. Insulin

D. Bradykinin