Question 1

Match the nerve with the appropriate description.
-tibial nerve

Accepted Answer

A) innervates the iliopsoas, sartorius, and quadriceps femoris 
B) innervates muscles of the pelvic floor 
C) innervates the muscles that adduct the thigh 
D) innervates the anterior and lateral muscles of the leg 
E) branches to form the medial and lateral plantar nerves 
A) innervates the iliopsoas, sartorius, and quadriceps femoris 
B) innervates muscles of the pelvic floor 
C) innervates the muscles that adduct the thigh 
D) innervates the anterior and lateral muscles of the leg 
E) branches to form the medial and lateral plantar nerves

Question 2

Which of the following nerves is a branch of both the cervical plexus and the brachial plexus?

Accepted Answer

A)  axillary 
B)  femoral 
C)  phrenic 
D)  sciatic 
E)  splanchnic 
A)  axillary 
B)  femoral 
C)  phrenic 
D)  sciatic 
E)  splanchnic

Question 3

Spinal nerves exiting the cord from the level of L4 to S4 form the

Accepted Answer

A)  lumbar plexus. 
B)  femoral plexus. 
C)  sacral plexus. 
D)  pelvic plexus. 
E)  brachial plexus. 
A)  lumbar plexus. 
B)  femoral plexus. 
C)  sacral plexus. 
D)  pelvic plexus. 
E)  brachial plexus.

Question 4

During a spinal tap, cerebrospinal fluid is obtained from which of the following locations?

Accepted Answer

A)  dural sinus 
B)  epidural space 
C)  subarachnoid space 
D)  subdural space 
E)  sagittal sinus 
A)  dural sinus 
B)  epidural space 
C)  subarachnoid space 
D)  subdural space 
E)  sagittal sinus

Question 5

An injury to the wrist that results in edema in the carpal tunnel would compress the

Accepted Answer

A)  axillary nerve. 
B)  radial nerve. 
C)  musculocutaneous nerve. 
D)  ulnar nerve. 
E)  median nerve. 
A)  axillary nerve. 
B)  radial nerve. 
C)  musculocutaneous nerve. 
D)  ulnar nerve. 
E)  median nerve.

Question 6

There are _____ enlargements of the spinal cord where nerves supplying the extremities enter and leave.

Accepted Answer

A)  two 
B)  three 
C)  four 
D)  five 
E)  six 
A)  two 
B)  three 
C)  four 
D)  five 
E)  six

Question 7

Damage to the phrenic nerve would result in

Accepted Answer

A)  the loss of motor activity in the arms. 
B)  an increased heart rate. 
C)  an inability to swallow. 
D)  difficulty breathing. 
E)  a decreased heart rate. 
A)  the loss of motor activity in the arms. 
B)  an increased heart rate. 
C)  an inability to swallow. 
D)  difficulty breathing. 
E)  a decreased heart rate.

Question 8

The adaptive significance of the crossed extensor reflex when a person steps on a tack is to

Accepted Answer

A)  remove the foot from the tack. 
B)  increase the rate at which withdrawal of the limb occurs. 
C)  slow the rate of removal of the foot from the tack. 
D)  reduce the pain sensations. 
E)  prevent the person from falling down. 
A)  remove the foot from the tack. 
B)  increase the rate at which withdrawal of the limb occurs. 
C)  slow the rate of removal of the foot from the tack. 
D)  reduce the pain sensations. 
E)  prevent the person from falling down.

Question 9

In the PNS, nerves are held together by

Accepted Answer

The answer of In the PNS, nerves are held together...

Question 10

-What does "C" represent?

Accepted Answer

A)  spinal nerves 
B)  conus medullaris 
C)  cervical enlargement 
D)  filium terminale 
E)  cauda equina 
A)  spinal nerves 
B)  conus medullaris 
C)  cervical enlargement 
D)  filium terminale 
E)  cauda equina

Question 11

Match the disorder with its description.
-anesthesia

Accepted Answer

A) pain radiating down the back of the thigh and leg 
B) stiffness in the neck and headache 
C) inflammation of a nerve 
D) pain along a nerve tract 
E) loss of sensation 
A) pain radiating down the back of the thigh and leg 
B) stiffness in the neck and headache 
C) inflammation of a nerve 
D) pain along a nerve tract 
E) loss of sensation

Question 12

When someone taps you on your shoulder, they stimulate the ____ nerve.

Accepted Answer

A)  axillary 
B)  brachial 
C)  radial 
D)  musculocutaneous 
E)  ulnar 
A)  axillary 
B)  brachial 
C)  radial 
D)  musculocutaneous 
E)  ulnar

Question 13

Match the nerve with the appropriate description.
-coccygeal plexus

Accepted Answer

A) innervates the iliopsoas, sartorius, and quadriceps femoris 
B) innervates muscles of the pelvic floor 
C) innervates the muscles that adduct the thigh 
D) innervates the anterior and lateral muscles of the leg 
E) branches to form the medial and lateral plantar nerves 
A) innervates the iliopsoas, sartorius, and quadriceps femoris 
B) innervates muscles of the pelvic floor 
C) innervates the muscles that adduct the thigh 
D) innervates the anterior and lateral muscles of the leg 
E) branches to form the medial and lateral plantar nerves

Question 14

-What does "D" represent?

Accepted Answer

A)  spinal nerves 
B)  conus medullaris 
C)  cervical enlargement 
D)  filium terminale 
E)  cauda equina 
A)  spinal nerves 
B)  conus medullaris 
C)  cervical enlargement 
D)  filium terminale 
E)  cauda equina

Question 15

-Label component "B" on the reflex arc.

Accepted Answer

A)  sensory receptor 
B)  effector organ 
C)  sensory neuron 
D)  motor neuron 
E)  interneuron 
A)  sensory receptor 
B)  effector organ 
C)  sensory neuron 
D)  motor neuron 
E)  interneuron

Question 16

Stimulation of the Golgi tendon organs result in which of the following changes in the reflex arc?

Accepted Answer

A)  stimulation of a stimulatory association neuron 
B)  stimulation of an inhibitory neuron 
C)  decreased action potentials in alpha motor neurons 
D)  contraction of skeletal muscle fibers 
E)  stimulation of an inhibitory neuron and decreased action potentials in alpha motor neurons 
A)  stimulation of a stimulatory association neuron 
B)  stimulation of an inhibitory neuron 
C)  decreased action potentials in alpha motor neurons 
D)  contraction of skeletal muscle fibers 
E)  stimulation of an inhibitory neuron and decreased action potentials in alpha motor neurons

Question 17

The epineurium

Accepted Answer

A)  surrounds nerve cell bodies. 
B)  surrounds individual axons and their Schwann cells. 
C)  bundles axons into fascicles. 
D)  bundles fascicles into nerves. 
E)  bundles fascicles into axons. 
A)  surrounds nerve cell bodies. 
B)  surrounds individual axons and their Schwann cells. 
C)  bundles axons into fascicles. 
D)  bundles fascicles into nerves. 
E)  bundles fascicles into axons.

Question 18

-What does "A" represent?

Accepted Answer

A)  central canal 
B)  ventral root 
C)  dorsal root ganglion 
D)  spinal nerve 
E)  dorsal root 
A)  central canal 
B)  ventral root 
C)  dorsal root ganglion 
D)  spinal nerve 
E)  dorsal root

Question 19

Match the term with the correct definition.
-dura mater

Accepted Answer

A) functional unit of the nervous system 
B) most superficial and thickest meninx 
C) the middle meninx 
D) the meninx bound tightly to brain and spinal cord 
E) separates dura mater from periosteum 
A) functional unit of the nervous system 
B) most superficial and thickest meninx 
C) the middle meninx 
D) the meninx bound tightly to brain and spinal cord 
E) separates dura mater from periosteum

Question 20

The largest peripheral nerve in the body is the ______ nerve.

Accepted Answer

The answer of The largest peripheral nerve in the body...

Exam 12: Spinal Cord and Spinal Nerves

Match the nerve with the appropriate description. -tibial nerve

Which of the following nerves is a branch of both the cervical plexus and the brachial plexus?

Spinal nerves exiting the cord from the level of L4 to S4 form the

During a spinal tap, cerebrospinal fluid is obtained from which of the following locations?

An injury to the wrist that results in edema in the carpal tunnel would compress the

There are _____ enlargements of the spinal cord where nerves supplying the extremities enter and leave.

Damage to the phrenic nerve would result in

The adaptive significance of the crossed extensor reflex when a person steps on a tack is to

In the PNS, nerves are held together by

-What does "C" represent?

Match the disorder with its description. -anesthesia

When someone taps you on your shoulder, they stimulate the ____ nerve.

Match the nerve with the appropriate description. -coccygeal plexus

-What does "D" represent?

-Label component "B" on the reflex arc.

Stimulation of the Golgi tendon organs result in which of the following changes in the reflex arc?

The epineurium

-What does "A" represent?

Match the term with the correct definition. -dura mater

The largest peripheral nerve in the body is the ______ nerve.

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition, Metabolism, and Temperature Regulation

Urinary System

Water, Electrolytes, and Acidbase Balance

Reproductive System

Development, Growth, Aging, and Genetics

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