Madhya Pradesh Medical Science University,
Jabalpur
MBBS First Professional Examination Feb-2023
Subject- Physiology
Paper-II

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Time: 3:00 Hours
Maximum Marks :100
Instructions:
a) All questions are compulsory
b) Draw diagrams wherever necessary

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c) Answers of Questions and Sub-questions must be
written strictly according to serial order of question
paper.
d) MCQ has to be answered in theory answer book
e) Please write MCQ answer neatly and in serial order

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with black or blue pen in brackets; for example: - 1.
(a) 2. (c)
f) MCQ has to be answered only once, any kind of
repetition or cutting or erasing or whitener will be
considered as malpractice, such answers will not be

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g) sawitedje mekarndartine
milubertakanugeosdinatray FA Futers.frrix&Gritple,
if a question having 2 marks should answered in up to
60 marks.
Q1. Total MCQs: 10

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10 x 1 = 10

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1) Weber Fechner law is related with
(a) amplitude
(b) surface area
(c) number of sensory fibers

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involvement
(d) stimulus discrimination
2) The processing of short-term memory to long term
memory is done in
(a) prefrontal cortex

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(b) hippocampus
(c) neocortex
(d) amygdala
3) Wallerian degeneration is seen in
(a) proximal cut end of nerve with

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cell body
(b) distal cut end of nerve without
cell body
(c) both the free ends of the cut
nerve

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(d) all of the above
4) In normal kidneys, which of the following is true for
osmolarity of renal tubular fluid that flows through the
early distal tubule in the region of
macula densa

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(a) usually hypotonic compared to
plasma
(b) usually isotonic compared to
plasma

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(c) usually hypertonic compared to

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plasma
(d) hypertonic compared to
plasma, during antidiuresis
5) Which of the following allows smooth muscle to
maintain sustained contraction with minimal energy usage

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(a) dense body
(b) gap junctions
(c) intermediate filaments
(d) latch state
6) In muscle contraction, all are true except

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(a) A band remains unchanged
(b) H zone disappears
(c) I band becomes wider
(d) two Z lines come closer
7) Which sensory receptor is most sensitive to angular

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acceleration
(a) crista
(b) utricle
(c) saccule
(d) organ of corti

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8) Broca's area is concerned with
(a) word formation
(b) comprehension
(c) repetition
(d) reading

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9) Renshaw cell inhibition is an example of

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(a) feedback inhibition
(b) feed forward inhibition
(c) feed forward facilitation
(d) feedback facilitation

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10) In cerebellar disease, all of the following are correct
EXCEPT
(a) the Romberg's sign is positive
(b) there is adiadochokinesia
(c) there is pendular knee jerk

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(d) there are involuntary tremors
Q2. Long Answer Questions
2 x 20 = 40
a. A 75-year-old man was admitted to hospital with
complaints of trembling hands while holding a cup of tea,

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difficulty in
doing rapid sequential movements, and experiences
imbalance while walking. On clinical examination, past
pointing was
observed.

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i. Give the clinical diagnosis of above condition
ii. Explain overall functions of the part involved
iii. What more clinical abnormalities would you expect
in the above patient
b. Enumerate layers of retina. Draw a well labeled

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diagram of visual pathway and explain it. Indicate the
effects of lesion in
different levels of visual pathway

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Q3. Brief Answer Questions
6 x 05 = 30

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a. Define receptor. List properties of a receptor and
briefly describe any two of it
b. Explain the role of gamma motor neuron in the control
of muscle tone and activities
c. Define GFR. Write the factors affecting it

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d. Cardiorespiratory adjustments during exercise in body
e. Draw schematic diagram to depict direct and indirect
pathways of basal ganglia
f. Write the content and functions of gastric juice. Discuss
the factors regulating the secretion of gastric juice

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Q4. Short Answer Questions
10 x 2 = 20
a. Define peristalsis
b. What is a motor unit
c. Define sarcomere

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d. Any two properties of synapse
e. Content of pancreatic secretion
f. Define aphasia
g. Lower motor neuron lesion
h. Transport maximum for glucose

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i. Define learning and memory

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j. Write various steps of excitation contraction coupling
mechanism in flow chart
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