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[MBBS 0123] JANUARY 2023 Sub. Code : 6053
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M.B.B.S. DEGREE EXAMINATION
(For the candidates admitted from the Academic Year 2019-2020)
FIRST YEAR - (CB)
PAPER I - PHYSIOLOGY
Q.P. Code: 526053
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Time : 30 Minutes Maximum : 20 Marks
Answer All Questions
Choose one correct answer in the box provided in the Answer Script.
No overwriting should be done. Choice should be given in Capital Letters.
I. Multiple Choice Questions: (20x1=20)
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- Regression of tissues as in uterine regression after pregnancy is a function of
A) Nucleus B) Lysosomes C) Secretory Vesicles D) Peroxisomes - Blood clotting is an example for
A) Positive feedback B) Negative feed back C) Delayed negative feedback D) Adaptive control - Which of the following attaches cells to the basal lamina?
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A) Zo occludens B) Desmosomes C) Hemidesmosomes D) Claudin - What percentage of the total blood volume is plasma?
A) 3.5% B) 45% C) 55% D) 92% - The plasma proteins exert an oncotic pressure of about
A) 5 mmHg B) 10 mm Hg C) 15mm Hg D) 25 mm Hg - Which of the following protein transports cell-free hemoglobin?
A) Albumin B) Haptoglobin C) Hemopexin D) Transferrin - Which of the following muscle cannot be tetanized?
A) Skeletal muscle B) smooth muscle C) Cardiac muscle D) All the above - The end plate potential is characterized by
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A) Propagation B) All or none law C) Depolarization D) Hyperpolarization - Which one of the following acts postsynaptically, blocking the nicotinic Acetylcholine receptors and preventing the excitation of the muscle cell membrane?
A) Botulinum toxin B) Curare C) Neostigmine D) Tetrodotoxin - Slow waves in the GIT are believed to be initiated by
A) I cells B) K cells C) Interstitial cells of Cajal D) S cells - Acidification of bile occurs in the
A) Liver B) Hepatic duct C) Gallbladder D) Duodenum - Fructose is transported across the apical membrane of enterocyte by
A) SGLT 1 B) GLUT 2 C) GLUT 4 D) GLUT 5 - What fraction of filtered water is reabsorbed in the loop of Henle?
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A) 15% B) 25% C) 35% D) 5% - The diuretic that acts by inhibiting Carbonic anhydrase activity exerts its effect in
A) Proximal tubule B) Loop of Henle C) Distal tubule D) Collecting duct - Destruction of sensory nerve fibers to the bladder leads to
A) Atonic bladder B) Neurogenic bladder C) Hypertonic bladder D) Automatic bladder - Which of the following cell is responsible for bone resorption?
A) Osteoblasts B) Osteocytes C) Osteoclasts D) Hematopoietic stem cell - All the following increases Growth hormone secretion Except
A) Stress B) Fasting C) Exercise D) Cortisol - The Syndrome of Inappropriate ADH secretion (SIADH) is characterized by
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A) Low ADH levels B) Decrease in blood volume C) Low blood pressure D) Low serum osmolarity - Double Bohr effect occurs in
A) Lungs B) Tissues C) Placenta D) Brain - Which of the following is not true about Progesterone?
A) Promote duct growth in the breasts--- Content provided by FirstRanker.com ---
B) Stimulates the development of lobules and alveoli in the breast.
C) Is thermogenic
D) Has an antiestrogenic effect on the myometrial cells.
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[MBBS 0123]
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This download link is referred from the post: MBBS 2008-2025 Question Papers (1st, 2nd, 3rd And 4th year) - Last 16 years papers
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