Sympathetic effects tend to last ________ than parasympathetic effects. One reason is that ________.
A. longer; norepinephrine can diffuse into the bloodstream without being broken down
B. longer; acetylcholine is broken down by monoamine oxidase (MAO)
C. about the same; the two divisions use the same neurotransmitters
D. shorter; acetylcholine is broken down by acetylcholinesterase (AChE)
E. shorter; acetylcholine can diffuse into the bloodstream without being broken down
Answer: A
You might also like to view...
When a large portion of a population is wiped out and the genetic base is rebuilt from a small group of individuals, then the __________, a type of genetic drift, may result
Fill in the blank with correct word
Which of the following is used to reduce friction between the layers of membranes surrounding the heart?
a) Synovial fluid b) Endocardium c) Pleural fluid d) Pericardial fluid e) Capillary endothelium
Every organ system of the human body is focused on homeostasis as its primary function
Indicate whether the statement is true or false
What part of an electrocardiogram (ECG) represents ventricular repolarization?
What will be an ideal response?