Question 1

Adduction of the thigh involves the ________ nerve.

Accepted Answer

A)  peroneal 
B)  femoral 
C)  obturator 
D)  pudendal 
E)  tibial 
A)  peroneal 
B)  femoral 
C)  obturator 
D)  pudendal 
E)  tibial

Question 2

The cross-sectional view of the spinal cord reveals white matter on the

Accepted Answer

A)  inside, gray matter on the outside, and a dorsal motor root. 
B)  outside, gray matter on the inside, and a ventral motor root. 
C)  inside, gray matter on the outside, and a dorsal sensory root. 
D)  outside, gray matter on the inside, and a ventral sensory root. 
A)  inside, gray matter on the outside, and a dorsal motor root. 
B)  outside, gray matter on the inside, and a ventral motor root. 
C)  inside, gray matter on the outside, and a dorsal sensory root. 
D)  outside, gray matter on the inside, and a ventral sensory root.

Question 3

The spinal cord begins at the ________.

Accepted Answer

A)  cerebellum 
B)  medulla oblongata 
C)  foramen magnum 
D)  conus medullaris 
E)  1st cervical vertebrae 
A)  cerebellum 
B)  medulla oblongata 
C)  foramen magnum 
D)  conus medullaris 
E)  1st cervical vertebrae

Question 4

Match the action with the specific reflex.
-Allows for the coordinated contraction and relaxation of opposing muscle groups

Accepted Answer

A)  Stretch reflex 
B)  Golgi tendon reflex 
C)  Withdrawal reflex 
D)  Crossed extensor reflex 
E)  Reciprocal innervation 
A)  Stretch reflex 
B)  Golgi tendon reflex 
C)  Withdrawal reflex 
D)  Crossed extensor reflex 
E)  Reciprocal innervation

Question 5

The sciatic nerve is composed of the

Accepted Answer

A)  femoral nerve and the tibial nerve. 
B)  tibial nerve and the common fibular nerve. 
C)  femoral nerve and the obturator nerve. 
D)  common fibular nerve and the pudendal nerve. 
E)  superior gluteal and inferior gluteal. 
A)  femoral nerve and the tibial nerve. 
B)  tibial nerve and the common fibular nerve. 
C)  femoral nerve and the obturator nerve. 
D)  common fibular nerve and the pudendal nerve. 
E)  superior gluteal and inferior gluteal.

Question 6

Match the nerve or plexus with its 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 7

The perineurium

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 8

Where is cerebrospinal fluid found around the spinal cord?

Accepted Answer

A)  Subdural space 
B)  Epidural space 
C)  Thecal sac 
D)  Subarachnoid space 
A)  Subdural space 
B)  Epidural space 
C)  Thecal sac 
D)  Subarachnoid space

Question 9

Which of the following sensory functions involves neurons in the dorsal root ganglion?

Accepted Answer

A)  Smell 
B)  Hearing 
C)  Touch 
D)  Taste 
E)  Vision 
A)  Smell 
B)  Hearing 
C)  Touch 
D)  Taste 
E)  Vision

Question 10

The thickest of the meninges is the ________.

Accepted Answer

A)  pia mater 
B)  arachnoid mater 
C)  subdural space 
D)  subarachnoid space 
E)  dura mater 
A)  pia mater 
B)  arachnoid mater 
C)  subdural space 
D)  subarachnoid space 
E)  dura mater

Question 11

The reflex that prevents excessive tension in a muscle is the ________ reflex.

Accepted Answer

A)  stretch 
B)  withdrawal 
C)  Golgi tendon 
D)  reciprocal 
E)  crossed extensor 
A)  stretch 
B)  withdrawal 
C)  Golgi tendon 
D)  reciprocal 
E)  crossed extensor

Question 12

You go to the movies after a long day and you begin to nod off as soon as the movie starts. Your head starts to lower a little, but a reflex causes your head to rise. This is called the ________ reflex.

Accepted Answer

A)  tendon 
B)  crossed extension 
C)  withdrawal 
D)  stretch 
E)  flexor (withdrawal) 
A)  tendon 
B)  crossed extension 
C)  withdrawal 
D)  stretch 
E)  flexor (withdrawal)

Question 13

Myelin is essentially the endoneurium of myelinated axons.

Accepted Answer

A) True 
 B)False

Question 14

-What does "A" 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

Doctor Johansson wants to test a patient's reflexes by briskly striking the patellar tendon with a reflex hammer. Which reflex is Dr. Johansson testing?

Accepted Answer

A)  Golgi tendon reflex 
B)  Withdrawal reflex 
C)  Knee-jerk reflex 
D)  Crossed extensor reflex 
E)  Reciprocal innervation 
A)  Golgi tendon reflex 
B)  Withdrawal reflex 
C)  Knee-jerk reflex 
D)  Crossed extensor reflex 
E)  Reciprocal innervation

Question 16

A man was in an accident during which his spinal cord was severed between C6 and C7. Which of the following would NOT be a consequence of this injury?

Accepted Answer

A)  Loss of sensation in the trunk below the shoulders, the lower limbs, and portions of the arms 
B)  Loss of use of the phrenic nerves and paralysis of the diaphragm 
C)  Loss of movement in the lower limbs 
D)  Loss of the use of the intercostals nerves, and breathing would be affected because the intercostals muscles would be paralyzed 
E)  Loss of touch sensation on the lower lumbar region. 
A)  Loss of sensation in the trunk below the shoulders, the lower limbs, and portions of the arms 
B)  Loss of use of the phrenic nerves and paralysis of the diaphragm 
C)  Loss of movement in the lower limbs 
D)  Loss of the use of the intercostals nerves, and breathing would be affected because the intercostals muscles would be paralyzed 
E)  Loss of touch sensation on the lower lumbar region.

Question 17

Reflexes

Accepted Answer

A)  are homeostatic. 
B)  are not homeostatic. 
C)  are voluntary conscious responses to a stimulus. 
D)  are integrated in the spinal cord, but not the brain. 
E)  are integrated in the brain, but not the spinal cord. 
A)  are homeostatic. 
B)  are not homeostatic. 
C)  are voluntary conscious responses to a stimulus. 
D)  are integrated in the spinal cord, but not the brain. 
E)  are integrated in the brain, but not the spinal cord.

Question 18

If reciprocal innervation failed during a stretch reflex, the consequence might be that

Accepted Answer

A)  the overall movement would be diminished due to opposing muscles contracting simultaneously. 
B)  the overall movement would be exaggerated due to the lack of regulation from opposing muscle contraction. 
C)  the complete loss of movement due to lack of stimulation of the effector muscle. 
A)  the overall movement would be diminished due to opposing muscles contracting simultaneously. 
B)  the overall movement would be exaggerated due to the lack of regulation from opposing muscle contraction. 
C)  the complete loss of movement due to lack of stimulation of the effector muscle.

Question 19

The ________ is the basic functional unit of the nervous system and is capable of receiving a stimulus and producing a response.

Accepted Answer

The answer of The ________ is the basic functional unit...

Question 20

Structurally, the simplest reflex is the ________.

Accepted Answer

A)  stretch reflex 
B)  Golgi tendon reflex 
C)  reciprocal reflex 
D)  alternating reflex 
E)  withdrawal reflex 
A)  stretch reflex 
B)  Golgi tendon reflex 
C)  reciprocal reflex 
D)  alternating reflex 
E)  withdrawal reflex

Exam 12: Spinal Cord and Spinal Nerves

Adduction of the thigh involves the ________ nerve.

The cross-sectional view of the spinal cord reveals white matter on the

The spinal cord begins at the ________.

Match the action with the specific reflex. -Allows for the coordinated contraction and relaxation of opposing muscle groups

The sciatic nerve is composed of the

Match the nerve or plexus with its appropriate description. -Tibial nerve

The perineurium

Where is cerebrospinal fluid found around the spinal cord?

Which of the following sensory functions involves neurons in the dorsal root ganglion?

The thickest of the meninges is the ________.

The reflex that prevents excessive tension in a muscle is the ________ reflex.

You go to the movies after a long day and you begin to nod off as soon as the movie starts. Your head starts to lower a little, but a reflex causes your head to rise. This is called the ________ reflex.

Myelin is essentially the endoneurium of myelinated axons.

-What does "A" represent?

Doctor Johansson wants to test a patient's reflexes by briskly striking the patellar tendon with a reflex hammer. Which reflex is Dr. Johansson testing?

A man was in an accident during which his spinal cord was severed between C6 and C7. Which of the following would NOT be a consequence of this injury?

Reflexes

If reciprocal innervation failed during a stretch reflex, the consequence might be that

The ________ is the basic functional unit of the nervous system and is capable of receiving a stimulus and producing a response.

Structurally, the simplest reflex is the ________.

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joint 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, Electrolyte, and Acid-Base Balance

Reproductive System

Development, Growth, Aging, and Genetics

Filters