Coronary blood flow is usually predominantly controlled by_____________?
Correct answer: D. Auto regulation
- A. Sympathetic impulse
- B. Hormones
- C. Parasympathetic impulses
- D. Auto regulation
Explanation
Coronary blood flow is predominantly controlled by local metabolic autoregulation, particularly the effects of myocardial oxygen demand and metabolites such as adenosine. Autonomic and hormonal influences are secondary.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Cardiovascular Physiology
43 free Cardiovascular Physiology MCQs from Physiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physiology questions like this
Physiology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Cardiovascular Physiology questions
Cardiac cycle duration in man is_______________?
Absolute period when whole heart is in diastole is______________?
Cardiac output is maximum to _________________?
Fastest conducting tissue in human heart _________________?
Closure of aortic valve occurs before the following event_______________?
Cardiac index is related to ______________?