Module 4 Lecture Exam Questions

Question 1

Which ONE of the following is NOT a part of the peripheral nervous system?
A. Spinal nerves
B. Spinal cord
C. Autonomic sensory nerve fibers
D. Somatic sensory nerve fibers

Answer 1

spinal cord

Question 2

Myelin is the layered covering of lipid and protein that surrounds dendrites of neurons with the CNS and PNS.

Answer 2

false

Question 3

Receptors that respond to painful stimuli belong to which ONE of the following categories?

Answer 3

nociceptors

Question 4

Which ONE of the following nerves is the sixth cranial nerve?

Answer 4

abducens nerve

Question 5

Which ONE of the following cranial nerves leaves the head and neck region to innervate much of the thoracic and abdominal viscera?

Answer 5

CN X (vagus nerve)

Question 6

The hippocampus, amygdala, and cingulate gyrus are all considered part of which ONE of the following?

Answer 6

limbic system

Question 7

The glossopharyngeal nerve supplies:

Answer 7

the tongue and pharynx

Question 8

What is the smallest part of the brainstem and is responsible for the visual and gustatory response?

Answer 8

midbrain

Question 9

The parasympathetic nervous system is responsible for the “Fight or flight” response.

Answer 9

false (rest and digest; sympathetic does fight or flight)

Question 10

Which of the following cranial nerves is not involved with innervation of a muscle that moves the eyeball?
A. Optic nerve
B. Oculomotor nerve
C. Trochlear nerve
D. Abducens nerve

Answer 10

optic nerve

Question 11

What type of cells are responsible for the myelination of the PNS?

Answer 11

Schwann

Question 12

The cell body of the neuron is called the:

Answer 12

soma

Question 13

The arachnoid is the innermost layer of the meninges.

Answer 13

false (middle)

Question 14

What is the function of the dural sinuses?

Answer 14

drain blood from the brain

Question 15

A stroke is a situation in which a blood clot blocks the flow of blood to an area of brain tissue.

Answer 15

true

Question 16

Which of the following is NOT true about Parasympathetic nervous system?
A. Increases digestion
B. Decreases heart rate
C. Decreases urine production
D. Decreases pupil dilation

Answer 16

decreases pupil dilation

Question 17

What type of reflex involves smooth muscle contraction and cardiac muscle contraction?

Answer 17

autonomic reflexes

Question 18

The motor fibers exit the spinal cord through:

Answer 18

the ventral root

Question 19

Which cranial nerve is responsible for hearing and balance?

Answer 19

vestibulocochlear nerve (CN VIII)

Question 20

The cerebrospinal fluid is secreted from:

Answer 20

choroid plexuses

Question 21

…………… provides a passage for CSF to flow around the brain and spinal cord.

Answer 21

subarachnoid space

Question 22

Blood to the brain is supplied by:

Answer 22

vertebral artery

Question 23

Which lobe is most closely associated with visual processing?

Answer 23

occipital lobe

Question 24

The cerebellum is separated from the pons and medulla oblongata anteriorly by the:

Answer 24

fourth ventricle

Question 25

A person who is drunk may have difficulty walking in a straight line because the alcohol has impacted the:

Answer 25

cerebellum

Question 26

Sound waves that enter the cochlea travel first through the tympanic duct.

Answer 26

false

Question 27

When the eyes are exposed to a bright light, the pupils contract.

Answer 27

true

Question 28

The organ of corti is the receptor for:

Answer 28

hearing

Question 29

The ability of the eye to alter is focusing ability on different objects.

Answer 29

accommodation

Question 30

A term related to the sense of taste is:

Answer 30

gustatory

Question 31

Olfactory epithelium is involved in the sense of:

Answer 31

smell

Question 32

The equilibrium apparatus consists of:

Answer 32

vestibule and semicircular canal

Question 33

The eustachian tube connects the:

Answer 33

middle ear cavity and throat

Question 34

What are the receptors for vision?

Answer 34

rods and cones

Question 35

What is the equilibrium disorder caused by the brain receiving conflicting signals about the environments, both from the eyes and the vestibular organs?

Answer 35

motion sickness

Question 36

All of the following are a form of lingual papillae EXCEPT: A. Mallate papillae B. Vallate papillae C. Foliate papillae D. Fungiform papillae

Answer 36

mallate papillae

Question 37

The ossicle of the ear that is in contact with the tympanic membrane is:

Answer 37

malleus

Question 38

What is the special sense receptor for hearing?

Answer 38

hair fells of the cochlea

Question 39

Which of the following order is correct for the olfactory pathway? 1.Olfactory tract 2.Primary olfactory cortex, limbic system, and hypothalamus 3.Olfactory bulb 4.Olfactory nerve 5.Impulse generated in olfactory receptor cells 6.Olfactory nerve fibers

Answer 39

5, 6, 4, 3, 1, 2

Question 40

Which of the following is NOT considered a special sense?

Answer 40

singing

Question 41

The layer in the eye that contains the photoreceptors is:

Answer 41

retina

Question 42

Where are the three bones of the ear found?

Answer 42

middle ear

Question 43

Which of the following cranial nerves is NOT involved in the gustatory pathway? A. Facial nerve B. Vagus nerve C. Glossopharyngeal nerve D. Accessory nerve

Answer 43

accessory nerve

Question 44

What is also known as the blind spot?

Answer 44

optic disk

Question 45

Which of the following order is correct for the visual pathway? 1.Retina 2.Optic nerve 3.Optic chiasma 4.Optic tracts 5.Lateral geniculate nucleus 6.Optic radiations 7.Primary visual cortex

Answer 45

1, 2, 3, 4, 5, 6, 7

Question 46

………. allows the footplate of the stapes to transmit the sound vibrations from the middle ear to the inner ear.

Answer 46

oval window

Question 47

Which of the following muscles is involved in a protective function in the middle ear? A. Tensor tympani B. Oblique muscle of auricle C. Lateral rectus D. Superior oblique

Answer 47

tensor tympani

Question 48

The vestibule contains mechanoreceptors called:

Answer 48

maculae

Question 49

Which of the following example is NOT involved in dynamic equilibrium? A. Spinning B. Roller coasters C. Boat rides D. Head tilted to the left/right

Answer 49

head tilted to the left/right

Question 50

The external ear ends at the:

Answer 50

tympanic membrane