Download NTRUHS 1st Year MBBS 2023 January Physiology Paper II Question Paper

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CBME
DR.NTR UNIVERSITY OF HEALTH SCIENCES: AP: VIJAYAWADA-520 008
MBBS DEGREE EXAMINATION ? JANUARY , 2023
FIRST M.B.B.S. EXAMINATION
PHYSIOLOGY ? PAPER-II (SET-B)
(Multiple Choice Questions)
Time: 20 Minutes Max Marks: 20
Note: Answer all questions
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SECTION ? I (MCQs- 20 MARKS) 1x20=20
1) The sensation carried by the lateral spinothalamic tract is
a. Vibration
b. Fine touch
c. Warmth
d. Stereognosis
2) With respect to pain, a correct statement is:
a. Free nerve endings are the pain receptors
b. Visceral pain reaches the spinal cord through motor nerve fibers
c. Fibers carrying pain impulses synapse at nucleus cuneatus in the medulla
d. Pain is carried by dorsal column tract
3) Slow waves in visceral smooth muscle
a. Can initiate action potential
b. Are also called pacemaker waves

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c. Arise without an external stimulus
d. All of the above
4) Which one of the following is NOT true about compound action potential in
a mixed nerve
a. Obeys all/none law
b. First peak belongs to slowest conducting fiber
c. Shows different peaks
d. First peak belongs to fastest conducting fiber
5) Flushing, anhidrosis, ptosis, miosis, and absence of cellospinal reflex is seen
in
a. Brown Sequard Syndrome
b. Cushing's reflex
c. Tabes dorsalis
d. Horner's syndrome
6) Which of the following neurotransmitters is used by the axons of substantia
nigra neurons, which project to the caudate and putamen?
a. Norepinephrine
b. Dopamine
c. Serotonin
d. Acetylcholine
7) Which of the following neurons forms synaptic junctions with intrafusal
fibers within the muscle spindles?
a. Alpha motor neurons

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b. Pyramidal neurons
c. Gamma motor neurons
d. Granule cells
8) Which of the following is the correct Broadmann number for the primary
motor cortex?
a. 6
b. 5
c. 4
d. 3
9) Blobs of visual cortex are associated with
a. Color processing
b. Orientation
c. Saccadic eye movements
d. Light perception
10) If red and green cones are stimulated equally, the color observed is
a. Red
b. Green
c. Yellow
d. Purple
11) Medial geniculate body is related to
a. Vision
b. Hearing
c. Smell

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d. Taste
12) The physiological basis for 'phantom limb' is
a. Muller's law and Bell Magendie law
b. Doctrine of specific nerve energies
c. Muller's law and Law of Projection
d. Bell Magendie law and Law of Projection
13) Hypocalcemia is caused due to
a. Thyroxine
b. Parathormone
c. Cholecalciferol
d. Calcitonin
14) Angiotensin is produced in
a. Liver
b. Kidney
c. Hypothalamus
d. Lungs
15) Melatonin is secreted from
a. Hypothalamus
b. Pineal gland
c. Adrenal cortex
d. Melanocytes

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16) Hypoglycemic hormone is
a. Catecholamine
b. Somatostatin
c. Cortisol
d. Insulin
17) Estrogen is not produced by
a. Pituitary
b. Ovary
c. Adrenal Cortex
d. Placenta
18) Elasticity of cervical mucus is seen in:
a. Proliferative stage
b. Luteal stage
c. Midcycle
d. Menstruation
19) Mid-cycle rise of basal body temperature is due to
a. LH
b. FSH
c. Estrogen
d. Progesterone
20) Most powerful vasopressor is
a. Renin

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b. Angiotensin II
c. Aldosterone
d. Cortisol
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