BIO 201 EXAM 4 STUDY GUIDE| WITH ALL QUESTIONS AND ANSWERS 2025

BIO 201 EXAM 4 STUDY GUIDE| WITH ALL
QUESTIONS AND ANSWERS 2025




1. A) motor fibers that conduct nerve impulses from the CNS to smooth
muscle, cardiac muscle, and glands >>> Which of the choices below describes
the ANS?

A) motor fibers that conduct nerve impulses from the CNS to smooth muscle, cardiac
muscle, and glands

B) motor fibers that conduct nerve impulses from the CNS to skeletal muscles

C) sensory neurons that convey information from somatic receptors in the head,
body wall, and limbs and from receptors from the special senses of vision, hearing,
taste, and smell to the CNS

D) sensory and motor neurons that supply the digestive tract
2. C) frequency of action potentials >>> What does the central nervous system
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, use to determine the strength of a stimulus?

A) origin of the stimulus
B) type of stimulus receptor
C) frequency of action potentials
D) size of action potentials
3. C) acetylcholine >>> Which of the following is an excitatory neurotransmitter
secret- ed by motor neurons innervating skeletal muscle?

A) cholinesterase
B) norepinephrine
C) acetylcholine
D) gamma aminobutyric acid
4. B) analyzes sensory information, stores information, makes decisions >>> -
Which of the following describes the nervous system integrative function?

A) senses changes in the environment
B) analyzes sensory information, stores information, makes decisions
C) responds to stimuli by gland secretion or muscle contraction
5. C) They are mitotic. >>> Which of the following is not characteristic of neurons?

A) They conduct impulses.
B) They have extreme longevity.




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