Biology (Raven), 9th Edition

Chapter 44: The Nervous System

Pre-Test

1
The _____ nervous system primarily acts on skeletal muscles
A)Somatic
B)Peripheral
C)Autonomic
D)Central
E)Sympathetic
2
Influx of _____ during an action potential causes the adjacent region to depolarize, producing its own action potential
A)K+
B)Ca+2
C)Glucose
D)Na+
E)Amino acids
3
Neurotransmitter molecules include
A)Acetylcholine.
B)amino acids.
C)biogenic amines.
D)Neuropeptides.
E)all of these.
4
Which of these is NOT a division of the vertebrate brain?
A)Optic tectum
B)hindbrain
C)midbrain
D)forebrain
E)diencephalon
5
_______ neurons stimulate skeletal muscles in response to conscious commands and involuntary reflexes.
A)Autonomic
B)Somatic motor
C)Sensory
D)Sympathetic
E)Hyperpolarized
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