Deck 9: Senses

Question 1

Which of the following is not an example of a special sense?

A)smell
B)vision
C)pain
D)hearing

Answer 1

C

Question 2

From outermost to innermost, which is the correct sequence of structures of the middle ear?

A)tympanic membrane, incus, malleus, stapes.
B)stapes, incus, tympanic membrane, stapes.
C)tympanic membrane, malleus, incus, stapes.
D)incus, malleus, stapes, tympanic membrane.

Answer 2

C

Question 3

Another name for the pinna of the external ear is the ___________.

A)auricle
B)tympanic membrane
C)ear drum
D)external auditory meatus

Answer 3

A

Question 4

In interpreting sensation, which of the following matters most?

A)The part of the cerebral cortex that receives the impulses.
B)The sensory neuron responsible for collecting the stimulus.
C)The type of stimulus itself.
D)How often impulses are sent to the central nervous system.

Question 5

The external portion of the ear which can be viewed is referred to as the

A)ear drum.
B)channel.
C)auditory tube.
D)auricle.

Question 6

Taste buds are located in taste _________, and use taste ________ to sense chemicals.

A)hairs, papillae
B)papillae, hairs
C)sweet, salty
D)pores, neurons

Question 7

Because a chemical we will smell needs to diffuse into the fluid surrounding the olfactory receptors, which of the following substances would not be able to be detected?

A)lipids
B)proteins
C)amino acids
D)sugars

Question 8

When pain is felt by a visceral organ, but the cerebral cortex interprets it as coming from the skin, the stimulus has been __________.

A)referred
B)projected
C)sensed
D)adapted

Question 9

Pain receptors differ from other types of receptors because:

A)They do not adapt to stimuli.
B)They have free nerve endings.
C)They are not found in the skin.
D)They do not send impulses.

Question 10

The cochlear duct contains all of the following except:

A)endolymph.
B)tectorial membrane.
C)perilymph.
D)organ of Corti.

Question 11

The chemoreceptors inside the nose are found:

A)along the first cranial nerve.
B)wrapped around nose hairs.
C)inside the olfactory bulb.
D)amongst the columnar epithelia lining the nasal passages.

Question 12

The middle and internal ear are located inside of the ________________.

A)orbits
B)superior and middle conchae
C)temporal bone
D)dermis

Question 13

Chemoreceptors require that the chemical they sense to be:

A)inhaled into the nose.
B)placed into the mouth.
C)dissolved in a liquid.
D)salty, bitter, sweet or sour.

Question 14

Hair cells can be found in which arrangement?

A)Facing the tectorial membrane of the cochlea.
B)Facing the gelatinous mass and otoliths of the macula.
C)Within a dome of gelatinous mass inside each ampulla.
D)All of the above.

Question 15

Sensory adaptation can be experienced when an olfactory receptor experiences

A)an increasing level of stimulation.
B)a constant level of stimulation.
C)a decreasing level of stimulation.
D)no stimulation.

Question 16

Which of the following is not an example of a general sense?

A)heat
B)equilibrium
C)pain
D)pressure

Question 17

The brain's ability to pinpoint a stimulus on the body is called ____________.

A)sensation
B)adaptation
C)accomodatoin
D)projection

Question 18

The auditory ossicles, the malleus, incus, and stapes are located in the

A)external ear.
B)middle ear.
C)internal ear.
D)cochlea.

Question 19

All of the following are mechanoreceptors except:

A)tactile corpuscles.
B)lamellated corpuscles.
C)cone cells.
D)sensory neurons wrapped around hair follicles.

Question 20

Which of the following is true of the auditory tube?

A)It allows sound waves to enter the skull from the outside.
B)It allows pressure to be balanced in the middle ear.
C)It allows impulses to travel to the brain from the ear.
D)It is where the hair cells used for hearing are located.

Question 21

The X shape of the optic nerves is called the ______________.

A)cranial nerve X: Vagus
B)optic chiasma
C)optic disc
D)macula

Question 22

Projections of pain into the body wall from the viscera is called _____ pain.

A)visceral
B)phantom
C)false
D)referred

Question 23

Tears are produced by the __________ and exit the eye __________.

A)lacrimal sac, medially
B)lacrimal gland, medially
C)lacrimal sac, laterally
D)lacrimal gland, laterally

Question 24

All of the following are extrinsic eye muscles except:

A)superior rectus.
B)lateral oblique.
C)lateral rectus.
D)inferior oblique.

Question 25

The choroid coat contains no _______________.

A)muscles
B)melanin
C)blood vessels
D)photoreceptors

Question 26

Blindness in adults is most often caused by cataracts clouding the __________.

A)fovea centralis
B)cornea
C)lens
D)conjunctiva

Question 27

The __________ is the opaque, tough part of the eye that protects more delicate structures inside.

A)sclera
B)lens
C)choroid
D)cornea

Question 28

Rod cells are filled with a pigment called __________, and the lack of it can lead to ____________.

A)melanin, nearsightedness
B)rhodopsin, color blindness
C)rhodopsin, night blindness
D)vitreous humor, glaucoma

Question 29

In hearing, which structure is vibrated last?

A)The basilar membrane.
B)The perilymph inside the scalae.
C)The stapes.
D)The tympanic membrane.

Question 30

Children are prone to middle ear infections because shape of the ____________ more easily allows bacteria to enter.

A)auditory tube
B)external auditory meatus
C)oval window
D)round window

Question 31

Static equilibrium is perceived because gravity pulls _________ down onto hair cells.

A)endolymph
B)crista ampullaris
C)otoliths
D)the cerebellum

Question 32

What type of receptors are involved in monitoring body position?

A)proprioceptors
B)chemoreceptors
C)baroreceptors
D)mechanoreceptors

Question 33

Vitreous humor serves which role(s) for the eye?

A)It maintains the shape of the cornea and anterior portions of the eye.
B)It maintains the shape of the anterior portions of the eye.
C)It holds the retina against the wall of the eye.
D)Maintains the shape of the cornea.

Question 34

Damage to the tympanic membrane will likely cause:

A)permanent nerve deafness.
B)temporary conductive hearing loss.
C)blindness.
D)a loss of balance and coordination.

Question 35

To allow the eye to accomodate images, the ________ must be flexible and respond to object distance.

A)cornea
B)vitreous humor
C)lens
D)aqueous humor

Question 36

Cone cells are the most densely arranged at the:

A)optic disc.
B)fovea centralis.
C)outer edges of the retina.
D)anterior cavity.