Glencoe Biology

Chapter 33: Nervous System

Standardized Test Practice-English

1
A ____ is a nerve pathway that consists of a sensory neuron, an interneuron, and a motor neuron.
A)reflex arc
B)synapse
C)threshold
D)node
2
Structures called ____ receive signals from other neurons and conduct impulses to the cell body.
A)dendrites
B)axons
C)nodes
D)synapses
3
This picture shows the main parts of a ____.

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A)node
B)reflex arc
C)neuron
D)synapse
4
Which of the following is correctly sequenced in a reflex arc?
A)Interneurons send impulses from sensors on skin.
B)Motor neurons carry impulses to the brain.
C)Sensory neurons send impulses to skin receptors.
D)Interneurons carry impulses to motor neurons.
5
Which of the following descriptions is correct regarding synapses?
A)action potential causes dendrite release
B)action potential causes neurotransmitter release
C)synapse travels through a neurotransmitter
D)muscle contraction produces neurotransmitters
6
In this picture, what do the arrows traveling up the leg represent?

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A)path of motor neurons
B)sensory neuron impulse
C)motor response
D)path of single synapse
7
What does this picture demonstrate?

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A)the structure of a neurotransmitter
B)a single action potential
C)connections between multiple neurons
D)the structure of a node
8
Why is myelin important in sensing different kinds of pain?
A)decreases speed of nerve impulses
B)increases speed of nerve impulses
C)prevents nerve impulses from jumping between nodes
D)prevents all nerve impulses
9
The ____ is the largest part of the brain, and is divided into two hemispheres.
A)cerebrum
B)cerebellum
C)hypothalamus
D)brain stem
10
What is the name of the circular structure at the back of this brain?

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A)hypothalamus
B)cerebellum
C)cerebrum
D)medulla oblongata
11
Which parts of the brain is breathing rate controlled by?
A)cerebrum and cerebellum
B)hypothalamus and cerebellum
C)medulla oblongata and pons
D)hypothalumus and cerebrum
12
These sense receptors are located in what part of the skin?

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A)subcutaneous only
B)dermis only
C)epidermis only
D)dermis and epidermis
13
Drugs that tend to slow down the central nervous system are called ____.
A)depressants
B)stimulants
C)inhalants
D)caffeines
14
The psychological and/or physiological dependence on a drug is called ____.
A)stimulation
B)tolerance
C)addiction
D)treatment
15
How is the chemical dopamine involved in drug addiction?
A)drugs cause reabsorption of dopamine in neuron
B)drugs deplete dopamine levels in brain
C)addicts who quit experience dopamine increases
D)drugs increase dopamine levels in brain
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