Regional Circulations: Coronary, Cerebral and Splanchnic
- Previous year questions on Regional Circulations: Coronary, Cerebral and Splanchnic for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Physiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 6 live questions in Regional Circulations: Coronary, Cerebral and Splanchnic.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 20 Aug 2026.
Q1.A 10oC decrease in temperature causes decrease in cerebral metabolic rate by
- A10%
- B30%
- C50%✓ Correct answer
- D70%
Q2.Cerebral blood flow is regulated by all except
- ABlood pressure
- BAerial PC02
- CPotassium ions✓ Correct answer
- DCerebral metabolic rate
Q3.auto-regulation of cerebralblood flow takes place at ?
- A60-140mmhg✓ Correct answer
- B>200mmhg
- C<50mmhg
- D<10mmhg
Q4.Blood brain barrier is absent in all of the following areas except
- ASubfornical region
- BHabenuclear trigone✓ Correct answer
- CArea posterma
- DNeurohypophysis
Q5.Most potent cerebral vasodilator is
- AB blocker
- BNitro-glycerine
- CHyper carbia✓ Correct answer
- DNitroprusside
Q6.Total cerebral metabolic failure occurs at blood flow of
- A10 m1/100 gm/min✓ Correct answer
- B20 m1/100 gm/m1
- C30 m1/100 gm/min
- D40 m1/100 gm/ml
Answer key
Q1: C. 50%; Q2: C. Potassium ions; Q3: A. 60-140mmhg; Q4: B. Habenuclear trigone; Q5: C. Hyper carbia; Q6: A. 10 m1/100 gm/min.
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- Autonomic Nervous System
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