D
r. . MEDICAL
[MBBS 0825] AUGUST 2025 Sub. Code: 7054
(For the candidates admitted from the Academic Year 2024-2025)
FIRST PROFESSIONAL ? (CBME)
PAPER II ? PHYSIOLOGY
Time: Three hours
Maximum: 100 Marks (80 Theory + 20 MCQs)
Answer All Questions
I. Essay:
1. A 25 year old healthy male tried to hold his breath as long as possible. But
within a minute he was unable to hold his breath any longer and gave up.
a) What is breaking point? (1)
c) Explain in detail about the chemical regulation of respiration. (6)
d) What is Cheyne-Stokes breathing? (2)
II. Reasoning out short notes:
(2 x 5 = 10)
2. Shape of oxygen-hemoglobin dissociation curve is sigmoid. Explain.
III. Write short notes on:
(10 x 6 = 60)
2. Surfactant.
3. Aqueous humor.
4. Triple response.
5. Hyperbaric oxygen therapy.
7. Conditioned reflex.
8. Blood-brain barrier
9. Draw a normal Lead II ECG and describe the waves, intervals and segment of ECG.
10. Autoregulation of cerebral blood flow.
r. . MEDICAL
[MBBS 0825] AUGUST 2025 Sub. Code: 7054
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M.B.B.S. DEGREE EXAMINATION(For the candidates admitted from the Academic Year 2024-2025)
FIRST PROFESSIONAL ? (CBME)
PAPER II ? PHYSIOLOGY
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Q.P. Code: 527054Time: Three hours
Maximum: 100 Marks (80 Theory + 20 MCQs)
Answer All Questions
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Draw neat labeled diagrams wherever necessaryI. Essay:
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(1 x 10 = 10)1. A 25 year old healthy male tried to hold his breath as long as possible. But
within a minute he was unable to hold his breath any longer and gave up.
a) What is breaking point? (1)
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b) What are chemoreceptors? (1)c) Explain in detail about the chemical regulation of respiration. (6)
d) What is Cheyne-Stokes breathing? (2)
II. Reasoning out short notes:
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(2 x 5 = 10)
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1. Patients in hypovolemic shock have cold extremities. Explain.2. Shape of oxygen-hemoglobin dissociation curve is sigmoid. Explain.
III. Write short notes on:
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(10 x 6 = 60)
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1. Effect of `g' forces on the body.2. Surfactant.
3. Aqueous humor.
4. Triple response.
5. Hyperbaric oxygen therapy.
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6. Pain pathway. Add a note on Hyperalgesia.7. Conditioned reflex.
8. Blood-brain barrier
9. Draw a normal Lead II ECG and describe the waves, intervals and segment of ECG.
10. Autoregulation of cerebral blood flow.
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