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

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW
MBBS DEGREE EXAMINATION - 1st PROFESSIONAL-REGULAR EXAM - AUGUST, 2024
PHYSIOLOGY - PAPER - II
SECTION A - Multiple Choice Questions (MCQs)
PAPER CODE: 2412130002
SET: C
Time: 20 Minutes
(20 × 1 = 20 MARKS)

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

• 1. Receptors in Semicircular canal respond to which type of acceleration?
  a) Angular
  b) Vertical
  c) Linear
  d) Horizontal

• 2. Conversion of short-term memory into long-term memory occurs in:
  a) Frontal cortex
  b) Hypothalamus
  c) Amygdala
  d) Hippocampus

• 3. The maximum effect of vasopressin occurs at:
  a) Proximal convoluted tubule
  b) Medullary part of the collecting duct
  c) Distal convoluted tubule
  d) Cortical part of collecting duct

• 4. Medial Geniculate Body is concerned with the sense of:
  a) Vision
  b) Smell
  c) Hearing
  d) Taste

• 5. Prolactin secretion is inhibited by:
  a) Dopamine
  b) Serotonin
  c) Epinephrine
  d) Thyroxine

• 6. Severe diarrhea may lead to:
  a) Metabolic alkalosis
  b) Respiratory acidosis
  c) Metabolic acidosis
  d) Respiratory alkalosis

• 7. Stretch reflex is integrated at the level of:
  a) Pons
  b) Medulla
  c) Spinal cord
  d) Cerebral cortex

• 8. Fertilized ovum enters the uterus at which stage?
  a) Secondary oocyte
  b) Morula
  c) Primary oocyte
  d) Blastocyst

• 9. Insulin is required for transport of Glucose into:
  a) Neuron
  b) Adipocyte
  c) Cardiac myocyte
  d) Hepatocyte

• 10. Which of the following is the LEAST absorbable in the intestine?
  a) Creatinine
  b) Glucose
  c) Urea
  d) Sucrose

• 11. The fluid in Distal Convoluted tubule is always:
  a) Isotonic
  b) Hypertonic
  c) Hypotonic
  d) Isoosmotic

• 12. True visceral pain arises from:
  a) Distention
  b) Irritation
  c) Compression
  d) Chemical stimulation

• 13. Meissner's corpuscles are sensitive to:
  a) Temperature change
  b) Mechanical deformity
  c) pH of Interstitial fluid
  d) Histamine

• 14. Atrial natriuretic peptide causes increase in:
  a) Cardiac output
  b) Urine output
  c) Blood Volume
  d) Renin secretion

• 15. Taste receptors are:
  a) Modified epithelial cells
  b) Specialized nerve endings
  c) Surface epithelial cells
  d) Telereceptors

• 16. Hormone with the shortest half-life in circulation is:
  a) Epinephrine
  b) Insulin
  c) Acetylcholine
  d) Triiodothyronine (T3)

• 17. Fetal testis DOES NOT secrete:
  a) Androgen Binding Protein
  b) Inhibin B
  c) Mullerian regression factor
  d) Testosterone

• 18. Which of the following is NOT seen in Lower Motor Neuron lesion?
  a) Weak reflexes
  b) Hypotonia
  c) Muscle atrophy
  d) Clasp-knife rigidity

• 19. Accommodation reflex includes:
  a) Dilation of Pupil
  b) Reduction in Field of Vision
  c) Relaxation of Ciliary Muscles
  d) Diplopia

• 20. Placental progesterone causes:
  a) Development of breast lobules
  b) Deposition of fat in breast
  c) Thickening of myometrium
  d) Deposition of fat in gluteal region

ATAL BIHARI VAJPAYEE MEDICAL UNIVERSITY, LUCKNOW
MBBS DEGREE EXAMINATION - 1st PROFESSIONAL-REGULAR EXAM - AUGUST, 2024
PHYSIOLOGY - PAPER - II
TIME: 3 Hrs
Max. Marks: 100 Marks (80 Theory + 20 MCQs)

NOTE:

• Attempt all questions.

• This question paper consists of two sections: Section A - Multiple Choice Questions and Section B - Theory Questions.

• Both the sections have different paper codes. 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: 2412230002

Q.1 Long Answer Question (15 MARKS)

Describe the connections and functions of Basal Ganglia. Add a note on its applied aspects.
(4 + 5 + 6 marks)

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

A 4-year-old girl was brought to OPD by her mother with complaints of moon face, weight gain, irritability, insomnia, and bruises on skin. The girl was diagnosed with nephrotic syndrome a year ago and has been taking steroids since then.

1. What is the likely cause of present symptoms? (3 marks)

2. Explain physiological actions of glucocorticoids. (6 marks)

3. Describe the Hypothalamo-Pituitary-Adrenal axis. (6 marks)

Q.3 Short Note Questions (Within 50 Words) (5 × 6 = 30 MARKS)

• Explain the role of kidneys in Acid-Base balance.

• Factors affecting Glomerular Filtration Rate.

• Endometrial cycle.

• Visual pathway.

• Role of skin in Thermoregulation

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

• Brown-Sequard Syndrome.

• Diabetes Insipidus.

• Functions of Sertoli Cells.

• Functions of Middle Ear.

• Role of Antioxidants.

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