Author Question: The disease process of myasthenia gravis produces muscle weakness by a. overproducing ACh ... (Read 88 times)

Haya94 · **on:** Jun 22, 2018

The disease process of myasthenia gravis produces muscle weakness by

a. overproducing ACh receptors on muscles.
b. reducing ACh function in the basal forebrain.
c. reducing the number of ACh receptors on muscles.
d. reducing ACh function in the dorsolateral pons.
e. enhancing the release of glycine onto spinal cord motoneurons.

Question 2

Match up the cholinergic fiber system with the correct role of that system in the control of behavior.

a. Most CNS circuits that use ACh are inhibitory for learning.
b. Cholinergic neurons in the dorsolateral pons are involved in the control of the electrical rhythms of the hippocampus.
c. Cholinergic neurons in the medial septum are involved in the control of the electrical rhythms of the hippocampus.
d. Cholinergic neurons in the basal forebrain are involved in the control of REM sleep.
e. Cholinergic neurons in the medial septum facilitate learning.

essyface1 · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: c. reducing the number of ACh receptors on muscles.

Answer to Question 2

Answer: c. Cholinergic neurons in the medial septum are involved in the control of the
electrical rhythms of the hippocampus.