Download WBUHS MBBS 1st Year WBUHS Physiology Paper II 2022 June Question Paper

FirstRanker.com

Firstranker's choice

www.FirstRanker.com www.FirstRanker.com

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

The West Bengal University of Health Sciences

MBBS 1st Professional Examination (New Regulation), June 2022

Subject: Physiology

Paper: II

Attempt all questions. The figures in the margin indicate full marks.

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

Full Marks: 100

Time: 3 hours

1. a) Mr. Raju is a 30 year old male after RTA was admitted to the hospital with severe concussion, whiplash and a fractured left radius, difficulty in postural control. The MRI scan revealed a left cerebellar hemisphere lesion.
   Enumerate the functions of cerebellum. Describe with labeled diagrams the external and internal connections of cerebellum. Which side of the body will be affected and why? Add a note on Nystagmus. 4+7+2+2
2. What are different hormones secreted from the thyroid gland? With a schematic diagram describe different steps of thyroxin hormone biosynthesis. Discuss in brief the functions of thyroxin. What is myxedema and cretinism? 2+4+5+2+2

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

2. What is the role of Gonadotrophin in the menstrual cycle? How does progesterone help in preparing the uterus for implantation of the zygote? 2+5+3
3. List the different components of basal ganglia. Draw and label the pathways that interconnect in the cerebral cortex. Explain the role of basal ganglia in regulating somatic motor function. 2+6+2

3. What is glomerular filtration rate? Which factors regulate it & how? 4+6
4. Write short notes on the following: 2x5
   1. Phantom limb.
   2. Errors of refraction.

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

4. Explain the following statements: 5x4
   1. Albuminuria may occur in glomerular disease.
   2. Hemisection of spinal cord causes neurodeficit of both sides of the body.
   3. Pituitary tumor may be associated with bitemporal hemianopia.
   4. Catecholamine can cause vaso constriction in some vessels while causing vaso dilation in others.

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

   5. Diabetic patients show polyphagia.

5. Choose the correct option of each of the following: 10x1
   1. Fine touch sensation is carried by:
      1. Anterior spinothalamic tract.
      2. Lateral spinothalamic tract.
      3. Spinocerebellar tract.

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

      4. Dorsal column.
   2. Maturation of sperm takes place in:
      1. Vas deferens.
      2. Seminiferous tubules.
      3. Epididymis.

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

      4. Female genital tract.
   3. The accommodation reaction consists of all except:
      1. Convergence of eyeballs.
      2. Convergence of visual axes.
      3. Dilatation of pupils.

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

      4. Anterior bulging of lens.
   4. Which of the following is not a function of Insulin
      1. Decreased glycogenolysis.
      2. Lipogenesis.
      3. Gluconeogenesis.

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

      4. Glycogenesis.
   5. Maximum reabsorption of water in presence ADH takes place in:
      1. DCT.
      2. PCT.
      3. Loop of Henle.

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

      4. Collecting duct.
   6. Sectioning the brainstem between superior and inferior colliculi will produce:
      1. Decerebrate rigidity.
      2. Decorticate rigidity.
      3. Intention tremor.

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

      4. Lead-pipe rigidity.
   7. Which neurotransmitter is released by both rods and cones at their synapses with bipolar cells:
      1. Acetylcholine.
      2. Dopamine.
      3. Glutamate.

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

      4. Serotonin.
   8. The synthetic sensation is:
      1. Crude touch.
      2. Visceral pain.
      3. Itching.

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

      4. Fine touch.
   9. Oestrogen causes all except:
      1. Rise of basal body temperature.
      2. Ductular development of breast.
      3. Female psyche.

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

      4. Subcutaneous fat deposition.
   10. Temperature regulation is a:
       1. Function of thalamus.
       2. Function of cortex.
       3. Function of reticular activating system.

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

       4. Function of hypothalamus.

www.FirstRanker.com

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