Deck 17: General and Special Senses

Question 1

Identify the structure labeled "g."

A)Pupil
B)Ciliary body
C)Iris
D)Optic nerve

Answer 1

B

Question 2

Which best describes the lamellated corpuscle?

A)It is a light-touch receptor located in the papillary layer of the dermis.
B)It is a deep-pressure receptor.
C)It detects pain and temperature.
D)It is a light-touch receptor located in the epidermis.

Answer 2

B

Question 3

Why does the near point of accommodation decrease as a person ages?

A)The lens becomes clouded with age, and light doesn't pass through as well.
B)The lens becomes less elastic with age and doesn't change shape as easily.
C)The lens shape changes with age causing the focal point to shift.
D)The lens becomes more brittle with age causing light to refract erratically.

Answer 3

B

Question 4

Identify the structure labeled "a."

A)Retina
B)Sclera
C)Choroid
D)Cornea

Question 5

What path do olfactory nerves travel from the nasal cavity to the brain?

A)Through the superior orbital fissure
B)Through the jugular foramen
C)Through the foramen ovale
D)Through the cribriform plate

Question 6

Based on the stimulus type, how are olfactory and gustatory receptors classified?

A)Nociceptors
B)Proprioceptors
C)Mechanoreceptors
D)Chemoreceptors

Question 7

Where would you look on a microscope slide to find the lamellated (Pacinian)corpuscle?

A)In a dermal papilla
B)Along the stratum basale of the epidermis
C)In the reticular layer of the dermis
D)At the boundary between the reticular layer of the dermis and the hypodermis

Question 8

Which light-touch receptor is associated with Merkel cells in the epidermis?

A)Tactile corpuscle
B)Lamellated corpuscle
C)Ruffini ending
D)Free nerve endings

Question 9

Color-blind individuals lack or have diminished numbers of ________.

A)cones
B)rods
C)spirillum
D)spirochete

Question 10

What eye disorder is caused by irregular curvature of either the cornea or the lens?

A)Loss of rod photoreceptors
B)Increased ocular pressure
C)Astigmatism
D)Strabismus

Question 11

Identify the structure labeled "g."

A)Auricle
B)External auditory canal
C)Tympanic membrane
D)Cochlea

Question 12

Which statement is true regarding how the cow eye differs from the human eye?

A)The cow's eye reflects light rather than absorbing it.
B)The cow's eye lacks cone photoreceptors.
C)The cow's eye is more oblong in shape.
D)The cow's eye has four tunics rather than three.

Question 13

Identify the structure labeled "k."

A)Ciliary body
B)Lens
C)Aqueous humor
D)Vitreous humor

Question 14

Which structure functions in equilibrium?

A)Cochlea
B)Auditory ossicles
C)Tympanic membrane
D)Vestibule

Question 15

Which structure(s)is(are)part of the inner neural layer?

A)Iris, ciliary body, and choroid
B)Retina
C)Lens
D)Sclera and cornea

Question 16

Where would you look on a microscope slide to find the tactile (Meissner's)corpuscle?

A)In a dermal papilla
B)Along the stratum basale of the epidermis
C)In the reticular layer of the dermis
D)At the boundary between the reticular layer of the dermis and the hypodermis

Question 17

Which structure is filled with vitreous humor?

A)Posterior cavity
B)Inner neural layer
C)Anterior cavity
D)Middle vascular layer

Question 18

What tissue around the eyeball needs to be cut away before you can dissect the eye?

A)Muscle
B)Adipose
C)Fascia
D)Meninges

Question 19

What cranial nerves communicate sensory message from the gustatory cells to the medulla oblongata?

A)Glossopharyngeal, hypoglossal, and abducens
B)Facial, glossopharyngeal, and vagus
C)Facial, trigeminal, and olfactory
D)Facial, trigeminal, and abducens

Question 20

Identify the structure labeled "b."

A)Incus
B)Vestibule
C)Stapes
D)Malleus

Question 21

Which is true of free nerve endings?

A)They are classified as proprioceptors.
B)They respond to stretch.
C)They respond to pain and temperature.
D)They lie deepest in the dermis.

Question 22

What fluid is found in the anterior chamber?

A)Vitreous
B)Aqueous
C)Mucus
D)Saline

Question 23

Which test would a health practitioner use to determine whether a patient has conductive or sensorineural hearing loss?

A)Ishihara test
B)Romberg test
C)Weber and Rinne tests
D)Snellen test

Question 24

Identify the structure labeled "f."

A)Sclera
B)Choroid
C)Pupil
D)Cornea

Question 25

Which is true of Golgi tendon organs?

A)They are located in the epidermis.
B)They are located in the dermis.
C)They function as light-touch receptors.
D)They are classified as proprioceptors.

Question 26

Which cranial nerve does not innervate the extrinsic eye muscles?

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

Question 27

What structure connects the middle ear to the nasopharynx?

A)Semicircular canals
B)Cochlea
C)Auditory tube
D)Vestibule

Question 28

What test do health practitioners use to evaluate a patient's vestibular apparatus's ability to maintain equilibrium without visual stimulus?

A)Weber test
B)Snellen test
C)Rinne test
D)Romberg test

Question 29

Examine the cutaneous receptor indicated by the pointer. What is the name of this cutaneous receptor?

A)Ruffini ending
B)Tactile (Meissner's)corpuscle
C)Merkel cell
D)Lamellated (Pacinian)corpuscle

Question 30

What structure vibrates like a drum when sound waves bounce on it?

A)Tympanic membrane
B)Vestibule
C)Vestibulocochlear nerve
D)Auditory tube

Question 31

Which is true of Merkel cells?

A)They are classified as proprioceptors.
B)They lie deepest in the dermis.
C)They function as light-touch receptors.
D)They function as deep-pressure receptors.

Question 32

Which cranial nerve does not transmit sensory information from the taste buds to the brain?

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

Question 33

Identify the structure labeled "i."

A)Optic nerve
B)Choroid
C)Retina
D)Optic disc

Question 34

What structure produces the fluid found in the anterior chamber?

A)Ciliary body
B)Iris
C)Cornea
D)Conjunctiva

Question 35

Examine the cutaneous receptor indicated by the pointer. What is the name of this structure?

A)Lamellated (Pacinian)corpuscle
B)Tactile (Meissner's)corpuscle
C)Ruffini ending
D)Merkel cell

Question 36

Identify the structure labeled "a."

A)Ciliary body
B)Iris
C)Suspensory ligaments
D)Lens

Question 37

Why are olfactory and gustatory receptors categorized as chemoreceptors?

A)They detect chemicals dissolved in either saliva or mucus.
B)They release chemicals that react with odor and taste molecules.
C)They release chemicals that bind to and concentrate odor and taste molecules.
D)They detect chemicals suspended in air or food.

Question 38

Examine the cutaneous receptor indicated by the pointer. What is its function?

A)Detect pressure and vibration
B)Detect pain and temperature
C)Detect deep, continuous pressure
D)Detect light touch

Question 39

What is the purpose of the aqueous humor?

A)Lubricates the cornea and lens
B)Holds the lens in position
C)Nourishes the anterior eye tissues
D)Maintains the shape of the eyeball

Question 40

Examine the cutaneous receptor indicated by the pointer. Where is it located?

A)Reticular layer of the dermis
B)Hypodermis
C)Basal layer of the epidermis
D)Dermal papilla of the dermis

Question 41

Which of the following spinal cord tracts would be a part of the sensory pathway for the tactile corpuscles?

A)Spinothalamic tracts
B)Dorsal column tracts
C)Corticospinal tracts
D)Ventral tracts

Question 42

What is the purpose of the vitreous humor?

A)Pushes the retina against the choroid
B)Nourishes the iris and lens
C)Holds the lens in position
D)Focuses the light onto the fovea centralis

Question 43

Identify the structure labeled "b."

A)Sclera
B)Choroid
C)Cornea
D)Lens

Question 44

Identify the structure labeled "d."

A)Vitreous humor
B)Cornea
C)Sclera
D)Choroid

Question 45

Which of the following receptors is stimulated when performing a patellar reflex?

A)Thermoreceptor
B)Mechanoreceptor
C)Photoreceptor
D)Lamellated corpuscle

Question 46

What does 20/100 vision mean?

A)A person sees at 20 feet what average people see at 100 feet.
B)A person can see only 20% of what most people can see.
C)A person can see 20% further than what most people can see.
D)A person sees 20 feet further than what most people can see.

Question 47

Which of the following types of receptors could have an input endpoint of the cerebellum?

A)Photoreceptors
B)Proprioceptors
C)Thermoreceptors
D)Chemoreceptors

Question 48

What structure forms the boundary between the anterior and posterior chambers?

A)Iris
B)Vitreous humor
C)Ciliary body
D)Conjunctiva

Question 49

Identify the structure labeled "f."

A)Tympanic membrane
B)Malleus
C)Stapes
D)Semicircular canals

Question 50

What is astigmatism?

A)A longer eyeball than the average person
B)A shorter eyeball than the average person
C)Irregular curvature of either the lens or cornea
D)A lens that is cloudy.

Question 51

Where is the blind spot located?

A)Just deep to the lens
B)Where the optic nerve passes out of the eye
C)Where the density of cones is the greatest
D)Where the iris obscures the lens

Question 52

Someone grabs your arm to pull you out of the way of traffic. Which receptor was stimulated when they grabbed your arm?

A)Photoreceptors
B)Lamellated corpuscle
C)Tactile corpuscle
D)Merkel cells

Question 53

Which is a possible cause of conduction deafness?

A)Damage to the cerebrum's temporal lobe
B)Damage to cochlear nerve
C)Damage to hair cells
D)Damaged or ruptured tympanic membrane

Question 54

What is the cause of color blindness?

A)Blind spot that is larger than normal
B)Missing or abnormal rods
C)Absence of all photoreceptors
D)Missing or abnormal cones

Question 55

Why does a person's near point of accommodation decrease with age?

A)Iris muscles calcify with age, not adapting quickly to light changes.
B)Posterior chamber shape alters with age, moving the point of best focus.
C)A lens becomes clouded with age, letting less light through.
D)A lens stiffens with age and does not change shape as well.

Question 56

Why is a cotton ball put in a patient's external auditory canal during the Weber test and the Rinne test?

A)Administer testing fluid
B)Keep fluid from coming out of the ear
C)Reduce distraction
D)Mimics deafness in one ear

Question 57

Identify the structure labeled "a."

A)Vestibule
B)Cochlea
C)Cochlear nerve
D)Vestibular nerve

Question 58

Which is a possible cause of sensorineural deafness?

A)Damage to hair cells
B)Damage to auditory ossicles
C)Damage to or rupture of tympanic membrane
D)Ossification of the auditory ossicles

Question 59

The target of many local anesthetics is to block the action potential for which of the following receptors?

A)Muscle spindles
B)Free nerve endings
C)Bulbous corpuscles
D)Lamellated corpuscles