Author Question: Briefly discuss the purpose of the parasympathetic division of the nervous system. What will be ... (Read 104 times)

sjones · **on:** Jun 27, 2018

Briefly discuss the purpose of the parasympathetic division of the nervous system.

What will be an ideal response?

Question 2

All of the following radiologic tests expose the patient to radiation EXCEPT ________.

A) an x-ray
B) ultrasonography
C) CT scan
D) fluoroscopy

mcarey591 · **Reply #1 on:** Jun 27, 2018

Answer to Question 1

The parasympathetic division of the nervous system is responsible for functions such as decreasing the heart rate, changing the diameter of the irises in response to changing levels of light, gastrointestinal peristalsis, salivary gland stimulation, and preparing the body for sexual activity. Norepinephrine is the neurotransmitter for the parasympathetic nervous system.

Answer to Question 2

B
Explanation: A) An x-ray does expose the patient to radiation.
B) Correct Ultrasonography uses sound waves, which do not contain radiation.
C) A CT scan does expose the patient to radiation.
D) Fluoroscopy does expose the patient to radiation.