Author Question: The purpose of the Allen test is to a. assess adequate blood flow through the ulnar artery. b. ... (Read 29 times)

Melani1276 · **on:** Jun 25, 2018

The purpose of the Allen test is to

a. assess adequate blood flow through the ulnar artery.
b. occlude the brachial artery and evaluate hypoxemia to the hand.
c. test the patency of an internal graft.
d. determine the size of needle to be used for puncture.

Question 2

REM sleep comprises what percent of the sleep cycle?

a. 70 to 75
b. 45 to 65
c. 15 to 20
d. 20 to 25

kaylee05 · **Reply #1 on:** Jun 25, 2018

Answer to Question 1

A
The Allen test assesses the adequacy of blood flow to the hand through the ulnar artery.

Answer to Question 2

D
NREM sleep usually occupies 70 to 75 of the sleep cycle, with REM sleep comprising 20 to 25.