Jabalpur
MBBS First Professional Examination Feb-2021
Subject- Physiology
Paper-II
--- Content provided by FirstRanker.com ---
Time: 3:00 HoursMaximum 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 bewritten 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 ---
counted in marks and action will be taken according toUFM rules of university.
Q1. Total MCQs: 20
20 x 1 = 20
1. Milk ejection reflex is mediated by hormone
--- Content provided by FirstRanker.com ---
(a) vasopressin(b) prolactin
(c) oxytocin
(d) estrogen
2. True statement about endemic goiter
--- Content provided by FirstRanker.com ---
(a) associated with hyperfunctionof thyroid gland
(b) also called colloid goiter
(c) occurs if the iodine intake falls
below 100-200 ?gm/day
--- Content provided by FirstRanker.com ---
(d) associated with decreased TSHseceretion
3. The features of tetany include all EXCEPT
(a) carpopedal spasm
(b) trousseau's sign
--- Content provided by FirstRanker.com ---
(c) clotting defects(d) neuromuscular hyperexcitability
4. Pheochromocytoma's predominantly secrete
(a) norepinephrine
(b) epinephrine
--- Content provided by FirstRanker.com ---
(c) serotonin(d) dopamine
5. In Addison's disease the following is observed
(a) an increase in ECF volume
(b) hyperglycemia
--- Content provided by FirstRanker.com ---
(c) hyperkalemia(d) high blood pressure
6. Bitter taste is felt at the following part of the tongue
(a) back
(b) tip
--- Content provided by FirstRanker.com ---
(c) mid-dorsal(d)sides
7. If a person can perceive sound but fails to understand
the meaning of sound, the lesion is most likely in
(a) VIII nerve
--- Content provided by FirstRanker.com ---
(b) auditory association areas(c) primary auditory cortex
(d) inferior colliculus
8. Highest refractive index amongst the following is of
(a) aqueous humor
--- Content provided by FirstRanker.com ---
(b) lens(c) cornea
(d) vitreous humor
9. Ovulation coincides with
(a) GnRH release
--- Content provided by FirstRanker.com ---
(b) progesterone increase(c) decreased estrogen
(d) LH surge
10. The pregnancy test is based on detection of which
hormone
--- Content provided by FirstRanker.com ---
(a) estrogen(b) progesterone
(c) HCG
(d) LH
11. Positive feedback is seen in all of the following
--- Content provided by FirstRanker.com ---
EXCEPT
(a) coagulation cascade
(b) stimulation of gastric secretion
gastrin
(c) entry of calcium ions into
--- Content provided by FirstRanker.com ---
sarcoplasmic reticulum(d) LH surge
12. All of the following hormones mediate their effects
without entering the target cell EXCEPT
(a) growth hormone
--- Content provided by FirstRanker.com ---
(b) insulin(c) mineralocorticoids
(d) glucagon
13. All are the functions of thalamus EXCEPT
(a) integrating center for sleep
--- Content provided by FirstRanker.com ---
(b) major sensory relay(c) controls circadian rhythm
(d) maintains conscious and alert
state
14. Alcohol produces diuresis by
--- Content provided by FirstRanker.com ---
(a) increase in GFR(b) decreased water reabsorption
from loop of henle
(c) inhibiting release of ADH from
hypothalamus
--- Content provided by FirstRanker.com ---
(d) decreasing medullary interstitialosmolarity
15. Higher intellectual functions are linked to
(a) motor system
(b) parietal lobe
--- Content provided by FirstRanker.com ---
(c) limbic system(d) prefrontal cortex
16. Best method to increase muscle strength is
(a) isotonic exercise
(b) isometric exercise
--- Content provided by FirstRanker.com ---
(c) electrical stimulation(d) isotonic aerobic exercise
17. Pyrogens raise body temperature by
(a) releasing interleukins
(b) setting the thermostat to a
--- Content provided by FirstRanker.com ---
higher level(c) decrease peripheral heat
liberation mechanism
(d) causing peripheral
vasoconstriction
--- Content provided by FirstRanker.com ---
18. A major source of heat production in infants is(a) increased muscular activity
(b) increased sympathetic activity
(c) specific dynamic action of food
(d) brown fat
--- Content provided by FirstRanker.com ---
19. Which area of the hypothalamus functions asthermostat
(a) paraventricular
(b) preoptic
(c) lateral
--- Content provided by FirstRanker.com ---
(d) dorsomedial20. Rectal temperature is higher than oral temperature by
(b) 0.5-1?C
(a) 1-2?C
(c) 2-3?C
--- Content provided by FirstRanker.com ---
(d) 3-4?CQ2. Short Answer Questions
10 x 5 = 50
a. State the functions of insulin. Give basis of polyuria,
polydipsia and polyphagia in diabetes mellitus
--- Content provided by FirstRanker.com ---
b. Draw a labeled diagram of visual pathway with effectsof lesions on it at various levels
c. Give the functions of middle ear
d. State the functions of growth hormone
e. State the functions of cerebellum
--- Content provided by FirstRanker.com ---
f. Describe the hormonal changes during menstrual cycleg. Give the functions of hypothalamus
h. Enumerate and describe the errors of refraction
i. Define speech. What are the areas of speech in brain
j. Give the functions of basal ganglia
--- Content provided by FirstRanker.com ---
Q3. Long Answer Questions3 x 10 = 30
a. Give the functions of thyroid hormone
b. Draw labeled diagrams of somatosensory tracts.
Describe their functions
--- Content provided by FirstRanker.com ---
c. Draw a labeled diagram of neuromuscular junction.Describe the steps of nerve impulse transmission at
neuromuscular
junction
***
--- Content provided by FirstRanker.com ---