Muscarinic receptors
A) are normally activated by acetylcholine.
B) are found mostly in autonomic ganglia.
C) always produce an excitatory response.
D) control sodium channels in the affected membrane.
E) are blocked by norepinephrine.
A
You might also like to view...
Discuss some of the important factors responsible for the diversity of muscle types
What will be an ideal response?
Action potentials are transmitted on a one-to-one basis at both a neuromuscular junction and a synapse
Indicate whether the statement is true or false
From the arcuate artery, blood then flows into which vessels?
A. Peritubular capillaries B. Afferent arterioles C. Renal arteries D. Cortical radiate arteries E. Interlobar arteries
Which skull canal transmits branches of the trigeminal nerve?
A. jugular foramen B. foramen ovale C. external auditory canal D. carotid canal E. nasolacrimal canal