Multiple choice

Which of the following is correct regarding the control of the vasculature?

  1. Autoregulation signifies to nervous control of the blood vessels.

  2. Reactive hyperemia originates as a result of vasodilatation caused by accumulation of metabolites during exercise.

  3. Parasympathetic vasodilator fibers activate the blood vessels of the exocrine glands of the gastrointestinal tract.

  4. The diameter of the arterioles is completely regulated by the sympathetic nervous system only.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Parasympathetic vasodilator fibers pertain to the craniosacral division of the autonomic nervous system. These fibers activate the blood vessels of the exocrine glands of the gastrointestinal tract.

Keep practicing — related questions