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

--- Content provided by‌ FirstRanker.com ---

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

--- Content provided by⁠ FirstRanker.com ---

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

--- Content provided by‍ FirstRanker.com ---

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

--- Content provided by FirstRanker.com ---

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

--- Content provided by‌ FirstRanker.com ---

10 x 1 = 10

---

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

--- Content provided by‍ FirstRanker.com ---

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

--- Content provided by‌ FirstRanker.com ---

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

--- Content provided by‍ FirstRanker.com ---

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

--- Content provided by​ FirstRanker.com ---

(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

--- Content provided by​ FirstRanker.com ---

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

---

(c) usually hypertonic compared to

--- Content provided by⁠ FirstRanker.com ---

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

--- Content provided by⁠ FirstRanker.com ---

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

--- Content provided by FirstRanker.com ---

(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

--- Content provided by​ FirstRanker.com ---

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

--- Content provided by‌ FirstRanker.com ---

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

--- Content provided by‌ FirstRanker.com ---

9) Renshaw cell inhibition is an example of

---

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

--- Content provided by FirstRanker.com ---

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

--- Content provided by⁠ FirstRanker.com ---

(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,

--- Content provided by‍ FirstRanker.com ---

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

--- Content provided by FirstRanker.com ---

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

--- Content provided by⁠ FirstRanker.com ---

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

---

Q3. Brief Answer Questions
6 x 05 = 30

--- Content provided by​ FirstRanker.com ---

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

--- Content provided by​ FirstRanker.com ---

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

--- Content provided by⁠ FirstRanker.com ---

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

--- Content provided by‌ FirstRanker.com ---

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

--- Content provided by‍ FirstRanker.com ---

i. Define learning and memory

---

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

---

Document Outline

• ?

--- Content provided by‌ FirstRanker.com ---

• ?
• ?
• ?

---