KUHS MBBS Physiology Previous Question Paper - August 2021 (114001 2019 Scheme)

114001Kerala University of Health Sciences · Physiology · 2021 · August · 2019 Scheme

Questions (22)

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.
15 Marks
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
15 Marks
3.Inter-cellular communication.
8 Marks
4.Describe the functions of aldosterone. Explain aldosterone escape. Add a note on Conn’s syndrome.
8 Marks
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.
8 Marks
6.Describe the functions of testosterone in fetal and adult life. What is cryptorchidism.
8 Marks
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.
8 Marks
8.Draw and label the audiogram in conductive deafness. Super impose a normal audiogram on it.
4 Marks
9.Describe the mechanism of transduction of sweet and salt sensation. Add a note on ageusia.
4 Marks
10.Describe the properties of skeletal muscle.
4 Marks
11.Classify hormones. Explain positive feedback.
4 Marks
12.Draw and label a skeletal muscle action potential and indicate the ionic basis of each part.
4 Marks
13.Pushing the wall is an example for -------------- contraction.
1 Mark
14.Minimum strength of current given indefinitely to excite a tissue is called as ---------
1 Mark
15.Glycine is an example of ---------------- neurotransmitter
1 Mark
16.The receptor for inverse stretch reflex is -----------------
1 Mark
17.In spinal cord the dorsal root is sensory and the ventral root is motor, this law is called
1 Mark
18.Compound action potential is produced by --------- nerve.
1 Mark
19.Fluid present in inner ear is -------
1 Mark
20.The phase of menstrual cycle occurring after ovulation is called ------------
1 Mark
21.Cerebro spinal fluid is absorbed by -----------
1 Mark
22.Permanent method of sterilization in males is ------------
1 Mark

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