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Multiple choice chapter 13

Terms in this set (36)

The patellar "knee jerk" reflex is an example of a(n) ________.
Stretch reflex
The ________ nerve is not a branch of the trigeminal nerve.
Cervical
Which of the following nerves does not arise from the brachial plexus?
phrenic
Which of the following is not an example of an exteroceptor?
baroreceptor
Which of the following is not a main level of neural integration in the somatosensory system?
segmental
The posterior side of the thigh, leg, and foot is served by the ________ nerve
tibial
Starting at the spinal cord, the subdivisions of the brachial plexus are (in order):
roots,trunks,divisions,and cords
Which of the following is an incorrect statement regarding the occurrence of a sensation?
The stimulus energy must be converted into the energy of a graded potential
called a transduction potential.
A major nerve of the lumbar plexus is the ________.
femoral
Spinal nerves exiting the cord from the level of L4 to S4 form the ________.
sacral plexus
The abducens nerve ________.
supplies innervation to the lateral rectus muscle of the eye
Inborn or intristic reflexes are ________.
involuntary, yet may be modified by learned behavior
Which of the following is not an aspect of sensory perception?
quality estimation
Striking the "funny bone" is actually stimulation of (or injury to) the ________.
unlar nerve
A reflex that causes muscle relaxation and lengthening in response to muscle tension is called a
________.
golgi tendon reflex
Pressure, pain, and temperature receptors in the skin are ________.
exteroreceptors
Potentially damaging stimuli that result in pain are selectively detected by ________.
nocireceptors
Which receptors adapt most slowly?
nociceptors
The trochlear nerve conveys proprioceptor impulses from the ________ to the brain.
superior rectus muscle
Nerves that carry impulses toward the CNS only are ________.
afferent nerves
After axonal injury, regeneration in peripheral nerves is guided by ________.
Schwann cells
Regeneration within the CNS ________.
is prevented due to growth-inhibiting proteins of oligodendrocytes
In a crossed-extensor reflex, if the right arm was grabbed it would flex and the left arm would __________
extend
Select the correct definition
Pattern recognition allows us to see a familiar face
All processing at the circuit level going up to the perceptual level must synapse in the ________.
thalamus
The sciatic nerve is a combination of which two nerves?
common fibular and tibial
Irritation of a major nerve of this plexus may cause hiccups.
cerivical plexus
Bell's palsy is ________.
characterized by paralysis of facial muscles
Which of the following is the correct simple spinal reflex arc?
receptor, afferent neuron, integration center, efferent neuron, effector
Transduction refers to conversion of ________.
stimulus information to nerve impulses
The flexor muscles in the anterior arm (biceps brachii and brachialis) are innervated by what
nerve?
musculocutaneous
Problems in balance may follow trauma to which nerve?
vestibulocohlear
Select the statement that is most correct
Ganglia associated with afferent nerve fibers contain cell bodies of sensory neurons
A fall or an improperly delivered gluteal injection could result in ________.
sciatica
Feeling a gentle caress on your arm would likely involve all of the following except ________.
Pacinian corpuscles
If the ventral root of a spinal nerve were cut, what would be the result in the tissue or region that nerve supplies?
a complete loss of voluntary movement
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