NEET PG 2023 Question Paper Physiology

2023

QUESTION
PAPER

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NEET PG 2023
Question Paper
Physiology
(Based on Memory Recall)

Q1. One transport system across the cell membrane is given below, the process
indicates which of the following ?

A) Simple diffusion
B) Facilitate diffusion
C) Secondary active transport
D) Primary active transport

Q2. The clearance of substances X, Y and Z are studied at different concentrations in the
blood (diagram below), which of the following is correctly matched ?

A) X:glucose, Y:HCO3, Z: Insulin
B) X: Insulin, Y:HOC3, Z: Insulin
C) X: g;ucose, Y:HCO3, Z: PAH
D) X: Insulin, Y : PAH, Z:glucose

Correct answer : D

Q3. In a 35 years old patient due to intravascular hemolysis, serum K+ increased to 5.5
mEq/L. What will happen to resting membrane potential in this patient ?

A) More positive
B) More negative
C) Remain unchanged
D) Zero

Q4. If the dorsal column is hit from the lateral side, which of the following fibres would be
affected first?

A) Cervical
B) Sacral
C) Thoracic
D) Lumbar

Q5. A 65 years old patient presented in a medicine OPD with resting tremor, rigidity and
loss of facial expression, the part of the brain commonly involved in this patient is ?

A) Hippocampus

B) Amygdala
C) Cerebellum
D) Basal ganglia

Correct answer : D

Q6. Action potential is recorded from a mammalian neuron and marked with different
letters. Which of the following pairs is correct?

A) Point A : threshold
B) Point B to C : Na+ channel opening
C) Point d : K+ channel closure
D) Point E : Absolute refractory period

Q7. Spirometer recording was given in the following diagram: the part marked with the air
indicates which of the following ?

A) Residual volume
B) FRC
C) ERV
D) Closing volume

Q8. In cases of Infant respiratory distress syndrome, there is efficiency of which of the
following lipids ?

A) Lecithin
B) Sphingomyelin
C) Phosphatidylserine
D) Phosphatidylethanolamine

Q9. If surfactant is deficient in lungs, which of the following happens:

A) Surface tension decreases, compliance increases
B) Surface tension increases, compliance decreases
C) Both surface tension and compliance increases
D) Both surface tension and compliance decreases

Q10. The phases of the ventricular muscles action potential is given below, which of the
following is correctly matched?

A) Calcium channel open in Phase 2
B) Potassium channel closes in phase 0

C) Transient sodium channel open in phase 3
D) Calcium channel closes in Phase 4

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