Body Fluids And Circulation Question 9
Question: Which of the following statements about the control of circulation in humans is incorrect?
Options:
A) Sympathetic nerve input to skeletal muscle causes the blood vessels in the muscle to dilate.
B) Blood flow can be regulated by autonomic nerve signals emanating from cardiovascular control centres in the medulla of the brain.
C) Carotid artery chemosensors detect low $ O_2 $ levels in the blood and promote, increased blood pressure.
D) Hormones such as angiotensin and vasopressin cause venules to constrict.
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Angiotensin and vasopressin act to control constriction of the arterioles and not the venules.
BETA
