Author Question: Botox injections smooth the skin of the face by A) causing the release of acetylcholine at the ... (Read 74 times)

captainjonesify · **on:** Jun 22, 2018

Botox injections smooth the skin of the face by

A) causing the release of acetylcholine at the neuromuscular junction.
B) activating the parasympathetic nervous system, thereby inducing relaxation.
C) dissolving fatty deposits in the skin.
D) causing increased blood flow to the facial muscles.
E) blocking the activity of muscles in the face.

Question 2

Which of the following neuron systems that use ACh has been related to the control of REM sleep?

A) dorsolateral pons ACh system
B) hypothalamocortical ACh system
C) basal forebrain ACh system
D) medial septal ACh system
E) nigrostriatal Ach system

Amiracle · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: E
Rationale: Botox injections smooth the skin of the face by blocking the activity of muscles in the face.

Answer to Question 2

Answer: A
Rationale: The dorsolateral pons ACh system is involved in the control of REM sleep.