Deck 16: The Peripheral Nervous System: Nerves and Autonomic Nervous System

Question 1

The nerve fibers of which cranial nerve pass through the foramina of the cribriform plate?

A)Glossopharyngeal
B)Olfactory nerve
C)Hypoglossal
D)Abducens

Answer 1

B

Question 2

Which cranial nerve functions in hearing and equilibrium?

A)Abducens
B)Facial
C)Trigeminal
D)Vestibulocochlear

Answer 2

D

Question 3

Identify the nerve labeled "h."

A)Optic nerve
B)Accessory nerve
C)Vestibulocochlear nerve
D)Glossopharyngeal

Answer 3

C

Question 4

Identify the nerve labeled "c."

A)Abducens nerve
B)Oculomotor nerve
C)Facial nerve
D)Trochlear nerve

Question 5

Which cranial nerve is classified as strictly a sensory nerve?

A)Vagus
B)Hypoglossal
C)Olfactory
D)Oculomotor

Question 6

Identify the nerve labeled "j."

A)Hypoglossal nerve
B)Trigeminal nerve
C)Olfactory nerve
D)Vagus nerve

Question 7

Which nerve arises from the sacral plexus?

A)Musculocutaneous nerve
B)Axillary nerve
C)Sciatic nerve
D)Femoral nerve

Question 8

What part of the reflex arc transmits the message to the effector?

A)Receptor
B)Motor neuron
C)Sensory neuron
D)Integration center
E)Effector

Question 9

Which cranial nerve is classified as a mixed nerve?

A)Facial
B)Oculomotor
C)Trochlear
D)Abducens

Question 10

Which nerve arises from the cervical plexus?

A)Phrenic nerve
B)Radial nerve
C)Tibial nerve
D)Common fibular nerve

Question 11

Which cranial nerve innervates the tongue muscle?

A)Oculomotor
B)Olfactory
C)Vagus
D)Hypoglossal

Question 12

Which nerve arises from the brachial plexus?

A)Obturator nerve
B)Median nerve
C)Tibial nerve
D)Saphenous nerve

Question 13

The parasympathetic division is a branch of the ________.

A)sympathetic nervous system
B)autonomic nervous system
C)central nervous system
D)peripheral nervous system

Question 14

What part of the reflex arc carries out the motor response?

A)Integration center
B)Motor neuron
C)Sensory neuron
D)Effector
E)Receptor

Question 15

Which cranial nerve innervates an extrinsic eye muscle?

A)Accessory
B)Trochlear
C)Glossopharyngeal
D)Optic

Question 16

Which is an example of an autonomic reflex?

A)Patellar reflex
B)Deep tendon reflex
C)Pupillary light reflex
D)Crossed extension reflex

Question 17

Identify the nerve labeled "a."

A)Vagus
B)Glosspharyngeal
C)Olfactory
D)Trigeminal

Question 18

Identify the nerve labeled "c."

A)Trochlear
B)Facial
C)Abducens
D)Oculomotor

Question 19

What part of the reflex arc receives the stimulus?

A)Receptor
B)Motor neuron
C)Effector
D)Sensory neuron
E)Integration center

Question 20

Identify the nerve labeled "e."

A)Vestibulocochlear
B)Optic
C)Hypoglossal
D)Accessory

Question 21

Where is the integration center located for most autonomic reflexes?

A)Thoracic plexus
B)Brachial plexus
C)Spinal cord
D)Hypothalamus and brain stem.

Question 22

Identify the spinal nerves labeled "f."

A)Thoracic
B)Lumbar
C)Sacral
D)Cervical

Question 23

Which of the following spinal nerves is not part of a nerve plexus?

A)T3
B)Phrenic
C)Axillary
D)Obturator

Question 24

If a patient cannot smile, which cranial nerve is most likely involved?

A)Glossopharyngeal
B)Vagus
C)Facial
D)Abducens

Question 25

What is the motor response in the light pupillary reflex?

A)Movement of eye to focus on near objects
B)Contraction of ciliary bodies altering shape of lens to focus light
C)Dilation of the smooth muscles of the iris
D)Constriction of smooth muscles of the iris

Question 26

Which cranial nerve extends into the ventral body cavity and innervates many of the visceral organs?

A)Saphenous
B)Trigeminal
C)Accessory
D)Vagus

Question 27

What does the sensation of taste require that is not required in the sensations of vision, hearing, and olfaction?

A)Sensory information carried through three cranial nerves.
B)The chemical stimulus to dissolve.
C)Mixed sensory and motor function.
D)Requires the vagus nerve for function.

Question 28

If you crinkle your nose in response to a bad smell, what cranial nerve(s)is(are)you using?

A)Olfactory and facial
B)Olfactory and trigeminal
C)Olfactory and glossopharyngeal
D)Olfactory and accessory

Question 29

When completing a chart showing the organization of the nervous system, which term should be written in box "f"?

A)Sympathetic division
B)Automatic nervous system
C)Somatic nervous system
D)Parasympathetic division

Question 30

If a patient cannot maintain equilibrium, which cranial nerve is most likely involved?

A)Vestibulocochlear
B)Glossopharyngeal
C)Hypoglossal
D)Trigeminal

Question 31

When completing a chart showing the organization of the nervous system, which term should be written in box "c"?

A)Motor (efferent)division
B)Peripheral nervous system
C)Central nervous system
D)Sensory (afferent)division

Question 32

Which nerve arises from the brachial plexus?

A)Vagus
B)Obturator
C)Phrenic
D)Musculocutaneous

Question 33

Identify the nerve plexus labeled "c."

A)sacral plexus
B)lumbar plexus
C)Brachial plexus
D)Cervical plexus

Question 34

During the patellar reflex, what structure acts as the effector?

A)Spinal cord's posterior horn
B)Rectus femoris muscle
C)Spinal cord's anterior horn
D)Proprioceptor

Question 35

Which nerve transmits motor information to the effector in the light pupillary reflex?

A)Trigeminal
B)Optic
C)Abducens
D)Oculomotor

Question 36

Which statement is true?

A)The sympathetic division increases heart contractions but decreases gastrointestinal tract activity.
B)The sympathetic division increases heart and gastrointestinal tract muscle contractions.
C)The sympathetic division decreases all visceral organ activity.
D)The sympathetic division increases all visceral organ activity.

Question 37

In a motorcycle accident, a man suffers an arm and shoulder injury. Which nerve is most likely damaged if he can extend his elbow but can't flex his wrist?

A)Radial
B)Musculocutaneous
C)Axillary
D)Median

Question 38

Which is not a component of a typical reflex arc?

A)Motor neuron
B)Receptor
C)Effector
D)Cerebral cortex
E)Integration center

Question 39

Which statement is true?

A)The brachial plexus is located in the neck.
B)The phrenic nerve arises from the cervical plexus.
C)The sciatic nerve arises from the lumbar plexus.
D)There are seven pairs of cervical nerves.

Question 40

Which nerve is a branch of the sciatic nerve?

A)Common fibular
B)Inferior gluteal
C)Ilioinguinal
D)Pudendal

Question 41

What feature is shared by the axillary, median, radial, and ulnar nerves?

A)They are all part of the brachial plexus.
B)They are all part of the cervical plexus.
C)They are all part of the lumbar plexus.
D)They are all part of the sacral plexus.

Question 42

Identify the difference between somatic and autonomic motor reflexes.

A)Somatic motor pathways require one motor neuron, and autonomic pathways require two.
B)Somatic motor pathways innervate skeletal muscle, and autonomic pathways innervate cardiac muscle, smooth muscle or glands.
C)Somatic motor pathways are voluntary, and autonomic motor pathways are involuntary.
D)All choices are differences between somatic and autonomic motor pathways.