Download MBBS (Bachelor of Medicine, Bachelor of Surgery) KUHS (Kerala University of Health Science) 1st Year (First Year) 2021 August 114001 Physiology II Previous Question Paper
2019 Scheme
Q.P. Code: 114001
Reg. no.: .....................
First Professional MBBS Degree Supplementary (SAY) Examinations
August 2021
Physiology II
Time: 3 Hours
Total Marks: 100
Answer all questions to the point neatly and legibly ? Do not leave any blank pages between answers ?
Indicate the question number correctly for the answer in the margin space
Answer all parts of a single question together ? Leave sufficient space between answers
Draw table/diagrams/flow charts wherever necessary
Long Essays
(2x15=30)
1. A young female exhibits abnormal fatigability of muscles. Muscular movements,
though initially strong, rapidly tire as the day advances or after a vigorous exercise.
The symptoms to appear are ptosis, weakness of chewing, swallowing and speaking.
She was unable to undertake work above the level of the shoulder. The symptoms
showed a remitting course and often were precipitated by emotions, infections and
pregnancy.
Remarkable recovery was seen after injection of neostigmine intramuscularly.
What is your diagnosis
Name the structure involved in this disease.
Describe the structure involved and the normal physiological mechanism of it.
What is the main cause for this condition
Name any other condition that can affect this structure
How does injection of neostigmine improve the condition. Describe other drugs
which can act at this site. (1+ 1+7+2+1+3)
2. Describe the origin, course and termination and functions of cortico-spinal tract. Add a
note on hemiplegia. List the differences between upper motor neuron and lower motor
neuron lesion. (7+3+5)
Short essays
(5x8=40)
3. Inter-cellular communication.
4. Describe the functions of aldosterone. Explain aldosterone escape. Add a note on
Conn's syndrome.
5. Describe the visual pathway with a help of a neat labelled diagram and explain the
effects of its lesion. Add a note on direct and indirect light reflex.
6. Describe the functions of testosterone in fetal and adult life. What is cryptorchidism.
7. Describe the mechanism of action of insulin and its functions. Add a note on clinical
signs and symptoms of diabetes mellitus. Explain glucose tolerance test curve.
(PTO)
Write briefly
(5x4=20)
8. Draw and label the audiogram in conductive deafness. Super impose a normal
audiogram on it.
9. Describe the mechanism of transduction of sweet and salt sensation. Add a note on
ageusia.
10. Describe the properties of skeletal muscle.
11. Classify hormones. Explain positive feedback.
12. Draw and label a skeletal muscle action potential and indicate the ionic basis of each
part.
One word Answers
(10x1=10)
13. Pushing the wall is an example for -------------- contraction.
14. Minimum strength of current given indefinitely to excite a tissue is called as ---------
15. Glycine is an example of ---------------- neurotransmitter
16. The receptor for inverse stretch reflex is -----------------
17. In spinal cord the dorsal root is sensory and the ventral root is motor, this law is called
18. Compound action potential is produced by --------- nerve.
19. Fluid present in inner ear is -------
20. The phase of menstrual cycle occurring after ovulation is called ------------
21. Cerebro spinal fluid is absorbed by -----------
22. Permanent method of sterilization in males is ------------
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This post was last modified on 11 April 2022