Exam 39: The Nervous System

You have just completed final preparations for a party you are hosting this evening. With thirty minutes to spare, you collapse into a chair and prop your feet up only to realize you need to empty your bladder. What part of your nervous system is in control?

The pleasurable effects of cigarette smoking are due to an increase in the release of the neurotransmitter__________ .

Visual information is processed in the

Myelin speeds the conduction of action potentials along a neuron by

-Which of the following does NOT occur at ?Section 2??

The peripheral nervous system consists of the brain and spinal cord.

Which region of the brain controls breathing and heart rate?

The cell bodies of motor neurons are located

A neuron generates a(n)__________ when stimuli reach or exceed the neuron?s threshold.)

Effectors pick up sensory stimuli.

Complex organisms tend to have a__________ nervous system with sense organs concentrated in the head.

Which portion of the brain is responsible for primitive emotions such as fear, rage, and sexual desire?

Action potentials are generated when suddenly open.

The hippocampus is responsible for processing sensory stimuli.

Addictive drugs that make people feel good, such as cocaine and methamphetamine, block the uptake of which of the following neurotransmitters in the brain?

The left and right hemispheres of the brain are connected through the__________ , a large band of axons.

Of the following structures, which can be found in the human peripheral nervous system?

As the resting membrane potential of a neuron nears threshold, it becomes harder to stimulate.