KUHS MBBS Physiology Previous Question Paper - January 2024 (114001 2019 Scheme)

114001Kerala University of Health Sciences · Physiology · 2024 · January · 2019 Scheme

Questions (22)

1.A 35-year-old man was brought to the casualty after a stab injury to the left side of his back. Imaging study showed injury to left half of spinal cord in region of 9th and 10th thoracic vertebrae. Neurological examination showed that he was unable to move his left lower limb. Some sensations were absent on the left half of the body while some other sensations were absent on the right side. On the left side the abdominal reflex was absent, but knee and ankle jerks were brisk. a) Name the most probable clinical condition in this patient. b) Explain the physiological basis for the typical sensory loss in this patient. c) Describe the sensory and motor changes occurring at the level and below the level of injury in such cases. d) Describe the theories of referred pain using an example
15 Marks
2.Describe the regulation of serum calcium with the mechanisms involved. Write the physiological basis for tetany in hypocalcemia. List the causes and clinical features of hypercalcemia.
15 Marks
3.Describe the physiological actions of glucocorticoids. List the features of Cushing’s syndrome.
8 Marks
4.Describe the functions of cerebellum. List the clinical features of cerebellar dysfunction
8 Marks
5.Draw and label the visual pathway showing the effect of lesion at various levels. Add a note on presbyopia
8 Marks
6.Describe the actions of insulin. Write the physiological basis for polyphagia, polydipsia and polyuria in diabetes mellitus
8 Marks
7.List the contraceptive methods in females. Describe the physiological basis for any two of them
8 Marks
8.Sodium-potassium pump is essential for homeostasis – why?
4 Marks
9.Describe the length – tension relationship in skeletal muscles
4 Marks
10.Physiological basis for the blood-brain barrier.
4 Marks
11.Explain the mechanism and importance of acoustic reflex in middle ear
4 Marks
12.Soldiers do not feel the pain of their injury until the battle is over – why?
4 Marks
13.Astigmatism is corrected using -------------- lens
1 Mark
14.Monosodium glutamate is associated with the primary taste sensation called ----------------
1 Mark
15.Antidiuretic hormone acts on ---------------- cells of the nephron
1 Mark
16.Hormone that stimulates milk production in the alveoli of mammary gland ---------------
1 Mark
17.Testosterone is produced by ------------ cells of the testes.
1 Mark
18.Mental retardation occurs in dwarfism due to--------------------
1 Mark
19.An example of fast-adapting sensory receptor -------------------
1 Mark
20.Time required for double the Rheobase current to elicit response is called ----------------
1 Mark
21.Parturition reflex is an example of ----------------- feedback
1 Mark
22.Name the receptors present within the utricle, saccule and the semicircular canals
1 Mark

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