Question 1

The gag reflex is mediated by which nerve?

Accepted Answer

A)  Optic nerve 
B)  Oculomotor nerve 
C)  Cranial nerve VIII 
D)  Glossopharyngeal nerve 
A)  Optic nerve 
B)  Oculomotor nerve 
C)  Cranial nerve VIII 
D)  Glossopharyngeal nerve

Question 2

Which word best describes the following: spinothalamic,pyramidal,corticospinal?

Accepted Answer

A)  Meninges 
B)  Plexuses 
C)  Tracts 
D)  Motor tracts 
A)  Meninges 
B)  Plexuses 
C)  Tracts 
D)  Motor tracts

Question 3

Which reflex is stimulated by stroking the sole of the foot with a sharp object?

Accepted Answer

A)  Patellar 
B)  Baroreceptor 
C)  Babinski 
D)  Gag 
A)  Patellar 
B)  Baroreceptor 
C)  Babinski 
D)  Gag

Question 4

An intramuscular injection into the buttocks is given in the upper outer quadrant in an attempt to avoid injuring which nerve?

Accepted Answer

A)  Common peroneal 
B)  Phrenic 
C)  Femoral 
D)  Sciatic 
A)  Common peroneal 
B)  Phrenic 
C)  Femoral 
D)  Sciatic

Question 5

A surgical patient is given a curare-like drug intravenously,thereby blocking his NM receptors.You would expect this patient to

Accepted Answer

A)  become jaundiced. 
B)  bleed excessively during the postoperative period. 
C)  require assistance breathing. 
D)  have restraints on all four extremities to limit movement. 
A)  become jaundiced. 
B)  bleed excessively during the postoperative period. 
C)  require assistance breathing. 
D)  have restraints on all four extremities to limit movement.

Question 6

Damage to the common peroneal nerve causes

Accepted Answer

A)  crutch palsy. 
B)  deafness. 
C)  footdrop. 
D)  inability to breathe. 
A)  crutch palsy. 
B)  deafness. 
C)  footdrop. 
D)  inability to breathe.

Question 7

A person with damage to ___________ has the weakest blink.

Accepted Answer

A)  the facial nerve 
B)  the vagus nerve 
C)  cranial nerve II 
D)  cranial nerve VIII 
A)  the facial nerve 
B)  the vagus nerve 
C)  cranial nerve II 
D)  cranial nerve VIII

Question 8

Ptosis of the eyelid and dilated and fixed pupils reflect pressure on which nerve?

Accepted Answer

A)  Optic 
B)  Vagus 
C)  Oculomotor 
D)  Facial 
A)  Optic 
B)  Vagus 
C)  Oculomotor 
D)  Facial

Question 9

Ptosis of the eyelid and fixed/dilated pupil are indicative of

Accepted Answer

A)  damaged CN II. 
B)  damage: primary visual cortex. 
C)  inflammation of the facial nerve. 
D)  excess pressure on the oculomotor nerve. 
A)  damaged CN II. 
B)  damage: primary visual cortex. 
C)  inflammation of the facial nerve. 
D)  excess pressure on the oculomotor nerve.

Question 10

Which of the following is least related to CN VIII?

Accepted Answer

A)  Vestibular branch 
B)  Primary auditory cortex 
C)  Cochlear branch 
D)  Wernicke's area 
A)  Vestibular branch 
B)  Primary auditory cortex 
C)  Cochlear branch 
D)  Wernicke's area

Question 11

Excess pressure on this cranial nerve affects pupillary size and the activity of the levator palpebrae superioris.

Accepted Answer

A)  VIII 
B)  II 
C)  X 
D)  III 
A)  VIII 
B)  II 
C)  X 
D)  III

Question 12

Which of the following is not true of Bell's palsy?

Accepted Answer

A)  Facial nerve involvement 
B)  CN VII 
C)  Spasm: sternocleidomastoid bilaterally 
D)  Impairment: blinking 
A)  Facial nerve involvement 
B)  CN VII 
C)  Spasm: sternocleidomastoid bilaterally 
D)  Impairment: blinking

Question 13

A piece of dirt blows into your left eye,embedding in the cornea.Which of the following is not part of a reflex that is activated?

Accepted Answer

A)  CN V carries pain information to the brain. 
B)  The ophthalmic branch of the trigeminal nerve carries sensory information to the primary visual cortex. 
C)  Facial nerve stimulation results in blinking. 
D)  CN VII stimulation causes tearing or an increase in lacrimation. 
A)  CN V carries pain information to the brain. 
B)  The ophthalmic branch of the trigeminal nerve carries sensory information to the primary visual cortex. 
C)  Facial nerve stimulation results in blinking. 
D)  CN VII stimulation causes tearing or an increase in lacrimation.

Question 14

Which of the following nerves is often "deadened" or anesthetized for the purpose of childbirth?

Accepted Answer

A)  Pudendal 
B)  Sciatic 
C)  Cauda equina 
D)  Phrenic 
A)  Pudendal 
B)  Sciatic 
C)  Cauda equina 
D)  Phrenic

Question 15

Spinal nerves

Accepted Answer

A)  exit the spinal cord at the medulla oblongata. 
B)  are purely sensory. 
C)  all exit the spinal cord as extensions of the cauda equina. 
D)  are mixed. 
A)  exit the spinal cord at the medulla oblongata. 
B)  are purely sensory. 
C)  all exit the spinal cord as extensions of the cauda equina. 
D)  are mixed.

Question 16

Which of the following is least true of the spinal cord?

Accepted Answer

A)  The spinal cord, like the brain, is protected by bone, meninges, CSF, and the blood-brain barrier. 
B)  The adult spinal cord extends the length of the spinal cavity. 
C)  The gray matter is composed primarily of cell bodies and interneurons. 
D)  The white matter is white because of myelin. 
A)  The spinal cord, like the brain, is protected by bone, meninges, CSF, and the blood-brain barrier. 
B)  The adult spinal cord extends the length of the spinal cavity. 
C)  The gray matter is composed primarily of cell bodies and interneurons. 
D)  The white matter is white because of myelin.

Question 17

Tic douloureux,or trigeminal neuralgia,is characterized by

Accepted Answer

A)  intense facial pain. 
B)  diminished vision. 
C)  hearing loss. 
D)  hemiplegia. 
A)  intense facial pain. 
B)  diminished vision. 
C)  hearing loss. 
D)  hemiplegia.

Exam 11: Nervous System: Spinal Cord and Peripheral Nerves

The gag reflex is mediated by which nerve?

Which word best describes the following: spinothalamic,pyramidal,corticospinal?

Which reflex is stimulated by stroking the sole of the foot with a sharp object?

An intramuscular injection into the buttocks is given in the upper outer quadrant in an attempt to avoid injuring which nerve?

A surgical patient is given a curare-like drug intravenously,thereby blocking his NM receptors.You would expect this patient to

Damage to the common peroneal nerve causes

A person with damage to ___________ has the weakest blink.

Ptosis of the eyelid and dilated and fixed pupils reflect pressure on which nerve?

Ptosis of the eyelid and fixed/dilated pupil are indicative of

Which of the following is least related to CN VIII?

Excess pressure on this cranial nerve affects pupillary size and the activity of the levator palpebrae superioris.

Which of the following is not true of Bell's palsy?

A piece of dirt blows into your left eye,embedding in the cornea.Which of the following is not part of a reflex that is activated?

Which of the following nerves is often "deadened" or anesthetized for the purpose of childbirth?

Spinal nerves

Which of the following is least true of the spinal cord?

Tic douloureux,or trigeminal neuralgia,is characterized by

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Human Development and Heredity

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