Physiology is one of the most crucial subjects to conquer in INI-CET. If you can ace the subject, no one can stop you from acing the exam. No matter how overwhelming memorising Physiology concepts can be, the prep can be made smoother if you focus on Previous Years’ Questions.
However, for you to do that, you don’t need to peruse various resources and waste your time. We’ve brought for you the list of high-yield PYQs from the last five years. These will help you identify important patterns, reinforce key concepts, and boost your confidence before the exam. Let’s dive right in and help you ace the exam.
Q1. A and B in the graph below represent which of the following ions, in terms of permeability for action potential generation?
A is Na+, B is K+
A is Na+, B is Ca2+
A is K+, B is Ca2+
A is Ca2+, B is K+
Answer: 1) A is Na+, B is K+
Q2. Vessel A has a length of L and a diameter of D, and vessel B has 2L and 2D. Considering the flow is laminar through both cylinders, the flow through B is how many times as much as the flow through A?
4 times
8 times
16 times
32 times
Answer: 2) 8 times
Q3. Transport of iron into enterocytes is done by which of the following proteins:
Transferrin
Ferroportin
Hepcidin
Divalent metal transporter – 1
Answer: 4) Divalent metal transporter – 1
Q4. What causes the detachment of myosin from actin filaments?
Attachment of ATP to the myosin head
Cessation of calcium release from the sarcoplasm
Conformational change in Troponin T
Dissociation of ADP and Pi
Answer: 1) Attachment of ATP to the myosin head
Q5. The correct sequence of events during vomiting are?
Relaxation of lower esophageal sphincter
Strong contractions in the stomach
Inspiration against a closed glottis
Relaxation of the pyloric sphincter
Relaxation of upper esophageal sphincter
Reverse peristalsis in the small intestine
6,4,2,5,1,3
6,4,3,2,1,5
4,6,2,1,3,5
4,6,2,5,3,1
Answer: 2) 6,4,3,2,1,5
Q6. What is the normal insensible water loss?
100 mL/hour
150 mL/hour
50 mL/hour
200 mL/hour
Answer: 3) 50 mL/hour
Q7. The signaling sequence in a type 2 membrane protein with N-terminal facing cytoplasm is located in?
Inside the membrane
At the C-terminal
At the N-terminal
Both inside the membrane and at C-terminal
Answer: 1) Inside the membrane
Q8. The image shows changes in membrane potential during an action potential. The region marked between 4 to 5 is due to:
Influx of Na+
Efflux of Na+
Influx of K+
Efflux of K+
Answer: 4) Efflux of K+
Q9. What is the cause of the relaxation of the intestinal segment following the segment containing the food bolus during peristalsis?
VIP
Substances P
Dopamine from adrenergic fibers
Acetylcholine from myenteric fibers
Answer: 1) VIP
Q10. Which one of the following is not associated with renal auto-regulation?
Tubuloglomerular feedback
Myogenic reflex
Calcium
Renal sympathetic system fibers
Answer: 4) Renal sympathetic system fibers
Q11. What is the formula used to calculate Stroke Volume (SV) in the context of cardiac physiology?
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