MBBS DEGREE EXAMINATION - 1st PROF PROFESSIONAL REGULAR
EXAM - AUGUST 2024
PHYSIOLOGY - PAPER - II
SECTION A - Multiple Choice Questions (MCQs)
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PAPER CODE: 2412130002 SET: CNote: Choose one correct answer in the OMR sheet provided. No overwriting
should be done.
Time: 20 Minutes (20 x 1 = 20 MARKS)
1. Receptors in the Semicircular canal respond to which type of acceleration?
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a) Angularb) Vertical
c) Linear
d) Vision
2. Conversion of short term memory into long term memory occurs in:
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a) Frontal cortexb) Hypothalamus
c) Amygdala
d) Hippocampus
3. The maximum effect of vasopressin occurs at:
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a) Proximal convoluted tubuleb) Medullary part of the collecting duct
c) Distal convoluted tubule
d) Cortical part of collecting duct
4. Medial Geniculate Body is concerned with the sense of:
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a) Visionb) Smell
c) Hearing
d) Taste
5. Prolactin secretion is inhibited by:
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a) Dopamineb) Serotonin
c) Epinephrine
d) Thyroxine
6 Severe diarrhoea may use
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a) Metabolic alkalosisb) Respiratory acidosis
c) Metabolic acidosis
d) Respiratory alkalosis
7. Stretch reflex is integrated at the level of:
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a) Ponsb) Medulla
c) Spinal cord
d) Cerebral cortex
8. Fertilized ovum enters the uterus at which stage?
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a) Secondary oocyteb) Morula
c) Primary oocyte
d) Blastocyst
9. Insulin is required for transport of Glucose into:
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a) Neuronb) Adipocyte
c) Cardiac myocyte
d) Hepatocyte
10. Which of the following is the LEAST absorbable in renal tubules?
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a) Creatinineb) Glucose
c) Urea
d) Sucrose
11. The fluid in Distal Convoluted tubule is always:
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a) Isotonicb) Hypertonic
c) Hypotonic
d) Isoosmotic
12. True visceral pain arises from:
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a) Distentionb) Irritation
c) Compression
d) Chemical stimulation
13. Meissner's corpuscles are sensitive to:
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a) Temperature changeb) Mechanical deformity
c) pH of Interstitial fluid
d) Histamine
14. Atrial natriuretic peptide causes increase in:
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a) Cardiac outputb) Urine output
c) Blood Volume
d) Renin secretion
15. Taste receptors are:
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a) Modified epithelial cellsb) Specialised nerve endings
c) Surface epithelial cells
d) Telereceptors
16. Hormone with shortest half life in circulation is:
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a) Epinephrineb) Insulin
c) Acetylcholine
d) Triiodothyronine(T3)
17. Fetal testis DOES NOT secrete:
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a) Androgen Binding Proteinb) Inhibin B
c) Mullerian regression factor
d) Testosterone
18. Which of the following is NOT SEEN in Lower Motor Neuron lesion?
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a) Weak reflexesb) Hypotonia
c) Muscle atrophy
d) Clasp-knife rigidity
19. Accommodation reflex includes:
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a) Dilatation of Pupilb) Convergence of Eyeballs
c) Relaxation of Ciliary Muscles
d) Diplopia
20. Placental progesterone causes:
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a) Development of breast lobulesb) Deposition of fat in breast
c) Thickening of myometrium
d) Deposition of fat in gluteal region
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