Physiology Paper-2 (Supplementary), 2023 MBBS Batch ABVMU Lucknow

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW

MBBS DEGREE EXAMINATION - Ist PROFESSIONAL - SUPPLEMENTARY EXAM - DEC - 2024

PHYSIOLOGY - PAPER - II

SECTION A - Multiple Choice Questions (MCQs)

PAPER CODE: 2422130002

SET: D

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

TIME: 20 Minutes

(20 x 1 = 20 MARKS)

• 1. Endolymph is present in:

• a) Scala media

• b) Eustachain tube

• c) Scala tympani

• d) Scala vestibuli

• 2. Site of spermatogenesis is:

• a) Vas deferens

• b) Seminal vesicle

• c) Epididymis

• d) Seminiferous tubule

• 3. Onset of puberty is due to pulsatile secretion of:

• a) LH

• b) FSH

• c) GnRH

• d) Estrogen

• 4. All are features of cerebellar dysfunction EXCEPT:

• a) Ataxia

• b) Static tremor

• c) Nystagmus

• d) Dysmetria

• 5. Component of autonomic nervous system with craniosacral outflow is:

• a) Parasympathetic

• b) Visceral

• c) Somatic

• d) Sympathetic

• 6. Moderate intensity exercise is when the heart rate reaches of the target heart rate.

• a) Between 71-85%

• b) More than 85%

• c) Between 51-70%

• d) Upto 50%

• 7. Absence of smell sensation is:

• a) Anosmia

• b) Hyposmia

• c) Hypoguesia

• d) Aguesia

• 8. The reflex acquired by experience is:

• a) Superficial

• b) Polysynaptic

• c) Unconditioned

• d) Conditioned

• 9. Receptors for estrogen are located in:

• a) Mitochondria

• b) Nucleus

• c) Cytoplasm

• d) Cell membrane

• 10. Example of acidophils of Ant Pituitary:

• a) Somatotrophs

• b) Thyrotrophs

• c) Gonadotrophs

• d) Corticotrophs

• 11. Exercises which improve the ability to perform sustained action improve:

• a) Endurance

• b) Efficiency

• c) Power

• d) Strength

• 12. Least useful physiological response to low environmental temperature in humans is:

• a) Vasoconstriction

• b) Piloerection

• c) Shivering

• d) Thyroxine release

• 13. Protein responsible for absorption of water in collecting duct is:

• a) Desmin

• b) Sialoprotein

• c) Calmodulin

• d) Aquaporin

• 14. Glucose transporter stimulated by Insulin in muscle and liver is:

• a) GLUT 5

• b) GLUT 6

• c) GLUT 4

• d) GLUT 3

• 15. Sensation of Bitter taste is produced by:

• a) Acidic substances

• b) Ionizing substances

• c) Alkaloids

• d) Organic substances

• 16. Tubular maximum for glucose is:

• a) 325 g/min

• b) 375mg/min

• c) 180 g/min

• d) 180 mg/min

• 17. Perception of pain in the region of skin away from site of its production internally is:

• a) Referred pain

• b) Slow pain

• c) Somatic pain

• d) Visceral pain

• 18. Which of the following processes DOESNOT contribute to urine formation?

• a) Tubular secretion

• b) Tubular resorption

• c) Micturition

• d) Ultrafiltration

• 19. Overflow incontinence is seen in:

• a) Automatic bladder

• b) Healthy Bladder

• c) Neurogenic bladder

• d) Atonic bladder

• 20. Site of production of aqueous humor is:

• a) Cornea

• b) Choroid

• c) Iris

• d) Ciliary body

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW

MBBS DEGREE EXAMINATION - Ist PROFESSIONAL - SUPPLEMENTARY EXAM - DEC - 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 and classify synapses. 5 marks

• Explain the mechanism of synaptic transmission. 6 marks

• Describe any two properties of synapse. 4 marks

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

A 36-year-old woman presents to her gynecologist with complaints of amenorrhea and progressive hirsutism since 6 months. She has also noticed an increase in her weight (especially in the trunk region) and easy fatigability. On examination, she has a very rounded hirsute face with centripetal obesity, her blood pressure is elevated, 1 abdominal striae are present and skin is thin with easy bruising. On investigation, Plasma cortisol is elevated. She is diagnosed with Cushing syndrome.

• What are the physiological actions of Cortisol? 5 marks

• Explain the physiological basis of above symptoms. 5 marks

• Describe role of adrenal secretions in stress response. 5 marks

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

• Physiological changes during pregnancy 6 marks

• Tests of Hearing 6 marks

• Functions of Proximal convoluted tubules 6 marks

• Tubuloglomerular feedback 6 marks

• Factors affecting growth and development of a child 6 marks

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

• Circulation and functions of CSF 4 marks

• Role of Vitamin D 4 marks

• Milk ejection reflex 4 marks

• Visual pathway 4 marks

• Role of oxidative stress in ageing 4 marks

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