Exam 7: The Peripheral Nervous System - Efferent Division

What chemical compound do motor-neuron axon terminals release?

What is epinephrine called in English speaking countries outside the United States?

Death from organophosphates results from ____________________ failure because the ____________________ remains in a depolarization block and cannot be stimulated to contract again.

Parasympathetic preganglionic fibers arise from the ____.

What are some examples of autonomic cotransmitters?

The poliovirus selectively destroys what part of the somatic nervous system?

Each autonomic nerve pathway extending from the CNS to an innervated organ is a(n)____________________ chain.

The peripheral nervous system has two subdivisions: the sympathetic and the parasympathetic nervous systems.

Sympathetic and parasympathetic postganglionic fibers release the same neurotransmitter,acetylcholine (ACh).

What is a compound called that mimics a neurotransmitter's response?

Myasthenia gravis is characterized by what extreme symptom?

What neurotransmitter is released from the sympathetic preganglionic fiber?

Very short preganglionic fibers end on the cells of an organ itself.

Amyotrophic lateral sclerosis (ALS)is also known as polio.

Figure 7-5 Answer the following questions using the accompanying figure -Which number in the figure shows ACh diffusing across the space separating the nerve and muscle cells and binding with receptor-channels specific for it on the motor end plate of the muscle cell membrane?

What do baroreceptors monitor?

Motor neurons,whose axons constitute the somatic nervous system,supply ____________________ muscles and bring about movement.

Acetylcholinesterase is located ____.

What chemical agent causes an explosive release of ACh?

Many autonomic fibers release ____________________ along with the classical neurotransmitters.