Physiology Paper-2 (Supplementary), 2022 MBBS Batch ABVMU Lucknow

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW

MBBS DEGREE EXAMINATION - Ist PROFESSIONAL-SUPPLEMENTARY EXAM - MARCH

PHYSIOLOGY - PAPER - II

SECTION A - Multiple Choice Questions (MCQs)

PAPER CODE: 2422130002 SET: A

Note: Choose one correct answer in the OMR sheet provided. No overwriting should be done.

( 20 x 1 = Time: 20 Minutes (20 x 1 = 20 MARKS)

1 The hormone responsible for conversion of Wolffian duct into vas deferens in male fetus is:

a) Estrogen b) Progesterone c) Testosterone d) Cortisone

2 Bitter taste is mediated by the action of:

a) Guanyl cyclase b) G protein c) Tyrosine kinase d) Epithelial Na channels

3 Otoconia are suspended in:

a) Synovial fluid b) Endolymph c) Perilymph d) Hemolymph

4 The major source of NH3 produced by the kidney is:

a) Glutamine b) Alanine c) Glycine d) Uric acid

5 H+ secretion in renal tubule is affected by

a) Increase in pCO2 b) Minerelocorticoids c) Decreased K+ level d) Carbonic anhydrase inhibitor

6 Glucose transport in the PCT of kidney takes

a) Active transport b) Secondary active transport c) Passive transport d) Bulk flow

7 Wernicke's area:

a) Is present in parietal cortex b) Lies near auditory area of temporal lobe c) Is located in occipital cortex d) Is a motor area

8 Destruction of lateral nucleus of thalamus lead to:

a) Satiety b) Aphagia c) Hyperphagia d) Somnolence

9 Hormone that is a derivative of a single amino acid is:

a) Estrogen b) Epinephrine c) Thyroxine d) Progesterone

10 Which of the following is a criteria of brain death?

a) Absence of cortical function b) Absence of eye opening c) Absent pharyngeal reflex d) Absence of Caloric response

11 Biological rhythms are controlled by:

a) Suprachiasmatic nucleus b) Ventromedial nucleus c) Arcuate nucleus d) Supraoptic nucleus

12 Prostaglandin in seminal fluid comes from:

a) Prostate gland b) Seminal vesicles c) Leydig Cells d) Sertoli cells

13 Progesterone has the ability to:

a) Inhibit ferning of cervical mucus b) Antagonize the effect of aldosterone c) Give rise to secretory endometrium d) Prevent ovulation if given in sufficient doses

14 Impedance matching increases the force of sound waves on tympanic membrane by:

a) 12 times b) 17 times c) 22 times d) 27 times

15 Argyll Robertson pupil is a condition in which the pupillary constriction in response to light stimulus:

a) Is absent b) Is delayed c) Is not affected d) Is present only in one eye

16 One of the following DOES NOT form filtration barrier in nephrons:

a) Mesangium b) Podocytes c) Endothelial cells d) Parietal layer of Bowman's

17 Automatic bladder is seen in

a) Spinal shock b) Cauda equina lesion c) Filum terminale lesion d) Superior sagittal sinus

18 Which of the following statements about the PCT is false?

a) About 60% of water is reabsorbed here b) Glucose is completely reabsorbed here c) Hydrogen ions are secreted here d) The fluid leaving the PCT is hypotonic

19 The wave in EEG with highest frequency is:

a) Delta wave b) Beta wave c) Theta wave d) Gamma wave

20 Signals from Golgi Tendon Organ is carried by:

a) la Fibres b) Ib Fibres c) Ilb Fibres d) Ila Fibres

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW

MBBS DEGREE EXAMINATION - I st PROFESSIONAL-SUPPLEMENTARY EXAM - MARCH-2024

PHYSIOLOGY - PAPER - II

TIME: 3 Hrs Max. Marks: 100 Marks (80 Theory + 20MCQs)

NOTE:

Attempt all questions.

This question paper consists of two sections: Section A- Multiple Choice Questions and Section B- Theory Questions. Both the section has different paper code. Write correct paper code on respective sheet

Write correct MCQ paper set on OMR sheet

Answer MCQs on the provided OMR sheet and theory questions on the provided answer booklet.

SECTION B - THEORY QUESTIONS

PAPER CODE : 2422230002

Q.1 Long Answer Questions 15 MARKS

Define sleep. Describe various phases of sleep. Add a note on sleeping disorders. (4+5+6)

Q.2 Clinical Case Scenario based Structured Question (15 MARKS)

A middle aged individual comes with a history of weakness, increased thirst, increased excretion of urine and increased appetite. He also complains loss of weight and non-healing of wounds. On examination, the patient was found to have fungal infection in the region of waist and genitalia. Investigation revealed: Urine contained sugar but no ketone bodies. Fasting blood glucose level- 160mg/100ml of blood.

i) What is the likely diagnosis? 3 marks

ii) Explain physiological basis of the above mentioned symptoms 4 marks

iii) What does absence of ketone bodies suggests? 4 marks

iv) What is the role of Glucagon in glucose homeostasis? 4 marks

Q.3 Short Note Question (Approx 500 Words) 5 X 6 = 30 MARKS

i) Factors affecting Glomerular filtration rate.

ii) Role of ADH in Osmoregulation

iii) Functions of Placenta

iv) Errors of Refraction

v) Circadian rhythm and its regulation

Q.4 Short Answer Questions (Within 100 Words) 5 X 4 = 20 MARKS

i) Mechanism of heat loss and heat gain.

ii) Wallerian degeneration

iii) Hormonal contraceptives

iv) Physiological Actions of Growth Hormone.

v) Differentiate between Upper motor and Lower motor neuron lesions.

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