Distribution of blood flow is mainly regulated by the________________?
Correct answer: C. Arterioles
- A. Arteries
- B. Capillaries
- C. Arterioles
- D. Venules
Explanation
Arterioles are the main resistance vessels, so their smooth-muscle tone controls tissue perfusion and the distribution of cardiac output. Capillaries mainly permit exchange rather than regulate overall flow.
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
Ventricular muscle receives impulses directly from the_______________?
Isovolumetric relaxation ends immediately after________________?
Heart muscle, true are all except_______________?
Effect on force of contraction of heart is_____________?
Cardiac output is maximum to _________________?
Absolute period when whole heart is in diastole is______________?