How does the chemical curare affect skeletal muscle function?
A. It activates an autoimmune disease that destroys myelin.
B. It blocks the action of acetylcholinesterase at the neuromuscular junction.
C. It is a muscarinic acetylcholine receptor antagonist that blocks synaptic transmission at the neuromuscular junction.
D. It is a nicotinic acetylcholine antagonist that blocks synaptic transmission at the neuromuscular junction.
E. It locks ligand-gated channels in the open state, leading to spastic contractions of muscle.
D
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Answer the following statement true (T) or false (F)
Which of the following is not a type of tissue?
a. muscle b. nervous c. embryonic d. epithelial
Given its action, damage to the stapedius muscle can cause increased sensitivity to the volume of sounds.
Answer the following statement true (T) or false (F)
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