Author Question: The nurse explains that the two divisions of the autonomic nervous system work to maintain ... (Read 38 times)

rmenurse · **on:** Jul 11, 2018

The nurse explains that the two divisions of the autonomic nervous system work to maintain homeostasis. Place in order the autonomic events. (Separate letters by a comma and space as follows: A, B, C, D)

a. Parasympathetic nervous system dominates
b. Extremely stressful or frightening event
c. Blood pressure, heart rate, and adrenaline output decrease
d. Sympathetic nervous system dominates
e. Heart rate and blood pressure rise, secretion of adrenaline

Question 2

The waxy substance that covers the neuron fibers and increases the rate of transmission of impulses is the ________.

ANS:

jaaaaaaa · **Reply #1 on:** Jul 11, 2018

Answer to Question 1

ANS:
B, D, E, A, C

In the event of a frightening event, the sympathetic nervous system dominates and increases the blood pressure, heart rate, and adrenaline output in the fight or flight mechanism. The body is calmed by the parasympathetic nervous system dominating and reducing the heart rate, blood pressure, and adrenaline output.

Answer to Question 2

myelin

Myelin is the waxy substance that covers the neuron fibers (axons and dendrites) and increases the rate of transmission of impulses.