Chapter 3 Muscle Physiology and Motor Control

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Chapter 3 Muscle Physiology and Motor Control

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____ 1. Under resting conditions when no action is occurring, the resting membrane potential is best described as:
a.
negative
b.
positive
c.
neutral—neither negative or positive
d.
in a constant state of flux

____ 2. The entire process from afferent stimulation to motor response occurs within:
a.
nanoseconds
b.
microseconds
c.
milliseconds
d.
seconds

____ 3. Inhibitory synapses result in a ________________ of the postsynaptic membrane.
a.
depolarization
b.
repolarization
c.
hypopolarization
d.
hyperpolarization

____ 4. Upper motor neurons are best described as being located in:
a.
the ventral horn gray matter
b.
the ventral horn white matter
c.
the cerebral cortex and spinal cord
d.
only in the lateral and medial corticospinal tracts

____ 5. ________________ function as a neural bridge between the upper and lower motor neurons.
a.
Alpha motor neurons
b.
Interneurons
c.
Gamma motor neurons
d.
Afferent neurons

 

MULTIPLE CHOICE

1. ANS: A PTS: 1

2. ANS: C PTS: 1

3. ANS: D PTS: 1

4. ANS: C PTS: 1

5. ANS: B PTS: 1

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