Deck 30: Sensory Perception

Question 1

The three semicircular canals of the vertebrate organs of equilibrium are ____ to each other.

A)oriented at right angles
B)parallel
C)oriented at 45 degree angles
D)oblique
E)bound

Answer 1

A

Question 2

Signal integration and processing in the vertebrate eye begin in the ____.

A)choroid
B)lens
C)vitreous body
D)retina
E)ciliary body

Answer 2

D

Question 3

Loudness is measured in ____.

A)watts
B)volts
C)lumens
D)amperes
E)decibels

Answer 3

E

Question 4

Which sensory receptor detects light?

A)photoreceptor
B)mechanoreceptor
C)thermoreceptor
D)chemoreceptor
E)pain receptor

Question 5

An octopus "tastes" with ____.

A)its mouth
B)its nose
C)receptors on its head
D)its tentacles
E)its skin

Question 6

Increased pressure due to aqueous humor buildup in the eye causes which disorder?

A)cataracts
B)glaucoma
C)macular degeneration
D)color blindness
E)farsightedness

Question 7

Four of the five answers listed below are parts of the inner ear. Select the exception.

A)eardrum
B)saccule
C)semicircular canals
D)ampulla
E)cochlea

Question 8

The organ of Corti is located in the ____.

A)outer ear
B)inner ear
C)middle ear
D)auditory canal
E)tympanic membrane

Question 9

Amino acids like glutamate stimulate ____ receptors on the tongue.

A)bitter
B)salty
C)sour
D)sweet
E)umami

Question 10

How many coiled and fluid-filled ducts are found in each cochlea?

A)one
B)two
C)three
D)four
E)five or more

Question 11

Four of the five answers listed below are parts of the same sense organ. Select the exception.

A)fovea
B)retina
C)vitreous body
D)ampulla
E)iris

Question 12

Four of the five answers are examples of somatic senses. Select the exception.

A)internal organ pain
B)pain near the body surface
C)temperature
D)touch
E)pressure

Question 13

The adjustable ring of muscular tissue that controls the amount of light entering the eye is the ____.

A)lens
B)cornea
C)pupil
D)iris
E)retina

Question 14

Signaling molecules secreted by one individual that modify the behavior of others are ____.

A)corticosteroids
B)pheromones
C)releasing hormones
D)inhibiting hormones
E)glucocorticoids

Question 15

Farsightedness can be caused by ____.

A)a longer than normal eyeball only
B)a shorter than normal eyeball only
C)weak ciliary muscles only
D)a longer than normal eyeball and/or weak ciliary muscles
E)a shorter than normal eyeball and/or weak ciliary muscles

Question 16

A cataract is caused by ____.

A)clouding of the lens
B)damage to the macula
C)damage to the cornea
D)destruction of the fovea
E)destruction of cone cells in retina

Question 17

Which sensory organs respond to body position and motion?

A)cochlea
B)vomeronasal organ
C)organ of Corti
D)organs of equilibrium
E)olfactory receptors

Question 18

The pupil is an opening at the center of the ____.

A)retina
B)sclera
C)choroid
D)cornea
E)iris

Question 19

What eye component is lacking in color-blind individuals?

A)cones
B)ganglia
C)bipolar cells
D)pupils
E)rods

Question 20

The main visual pigment in rods is ____.

A)anthocyanin
B)chlorophyll
C)hemoglobin
D)rhodopsin
E)xanthophyll

Question 21

The semicircular canals are ____.

A)empty
B)filled with gas
C)filled with a liquid
D)small bones in the ear
E)passageways for nerves

Question 22

Rods and cones are located in the ____.

A)lens
B)cornea
C)pupil
D)iris
E)retina

Question 23

Olfactory receptors are used for ____.

A)sight
B)sound
C)smell
D)taste
E)touch

Question 24

Mechanoreceptors are excited by ____.

A)tissue damage
B)temperature change
C)chemical energy of specific substances
D)light
E)pressure, a change in position, or acceleration

Question 25

The layer of the vertebrate eye where photoreceptors are located is the ____.

A)lens
B)cornea
C)pupil
D)iris
E)retina

Question 26

A higher frequency of action potentials is interpreted by the brain as a ____ sensory stimulus.

A)somatic
B)visceral
C)strong
D)localized
E)weak

Question 27

Some carnivores have lost the taste receptor that detects ____.

A)bitterness
B)saltiness
C)sweetness
D)sourness
E)fattiness

Question 28

Sensory adaptation means that ____.

A)a stimulus has been committed to sense memory so responses will be automatic
B)the sensory system stops paying attention to constant signals
C)sensory input does not lead to stereotyped behavior
D)sensory systems are no longer evolving
E)a sense has been improved by a new trait

Question 29

Proprioception is mediated by ____.

A)chemoreceptors
B)mechanoreceptors
C)photoreceptors
D)nociceptors
E)thermoreceptors

Question 30

Hair cells respond to greater volumes of sound by ____.

A)vibrating more
B)vibrating less
C)bending more
D)bending less
E)retracting

Question 31

Axons of olfactory receptors extend from the nose to the ____.

A)mouth
B)olfactory clump
C)spinal cord
D)olfactory bulb
E)ganglia

Question 32

The highest concentration of cones is in the ____.

A)fovea
B)blind spot
C)sclera
D)optic disk
E)choroid

Question 33

Receptors in the human nose are ____.

A)chemoreceptors
B)mechanoreceptors
C)photoreceptors
D)nociceptors
E)thermoreceptors

Question 34

Which substance(s) act as pain-signaling molecules?

A)pheromones
B)morphine
C)endorphins
D)histamine and prostaglandins
E)dopamine

Question 35

The meaning that a brain assigns to a sensory stimulus is known as ____.

A)perception
B)sensation
C)adaptation
D)excitation
E)interpretation

Question 36

Hair cells are important for the sense of ____.

A)touch
B)hearing
C)proprioception
D)sight
E)pain

Question 37

The principal place in the human ear where sound waves are amplified by means of the vibrations of tiny bones is the ____.

A)pinna
B)ear canal
C)middle ear
D)organ of Corti
E)inner ear

Question 38

Four of the five answers listed below are functionally connected to each other. Select the exception.

A)malleus
B)pinna
C)stapes
D)incus
E)eardrum

Question 39

Sound vibrations are translated into patterns of nerve impulses in the ____.

A)pinna
B)ear canal
C)middle ear
D)cochlea
E)eardrum

Question 40

Four of the five answers listed below are found in the retina. Select the exception.

A)rod cells
B)optic disk
C)optic pit
D)cone cells
E)fovea

Question 41

​The detection of a sensory stimulus is known as ____.

A)​perception
B)​sensation
C)​adaptation
D)​excitation
E)​interpretation

Question 42

Match the receptor type with the correct description.
a.chemoreceptors
b.mechanoreceptors
c.thermoreceptors
d.photoreceptors
e.pain receptors
function predominantly in the sense of smell and taste

Question 43

The pain produced in an internal organ is called ____ pain.

A)somatic
B)referred
C)phantom
D)psychosomatic
E)visceral

Question 44

Hair cells of the inner ear are ____.

A)chemoreceptors
B)mechanoreceptors
C)photoreceptors
D)olfactory receptors
E)thermoreceptors

Question 45

Match the taste with the correct description.
a.sweetness
b.sourness
c.fattiness
d.umami
e.bitterness
most recently discovered in humans

Question 46

Animals perceive conditions and changes in their environment via stimuli detected by ____.

A)sensory receptors
B)nerve pathways from the brain to the sensory receptor
C)thermoreceptors in the brain
D)sensory adaptations
E)action potentials of varying size

Question 47

Match the taste with the correct description.
a.sweetness
b.sourness
c.fattiness
d.umami
e.bitterness
triggered by cheese and aged meat

Question 48

Match the receptor type with the correct description.
a.chemoreceptors
b.mechanoreceptors
c.thermoreceptors
d.photoreceptors
e.pain receptors
naturally produced chemicals and synthetic drugs can influence the activity of these

Question 49

One of the middle ear bones, the stapes, pushes directly against what part of the inner ear?

A)auditory nerve
B)organ of Corti
C)oval window
D)round window
E)basilar membrane

Question 50

The vomeronasal organ detects ____.

A)pressure
B)light
C)pheromones
D)pain
E)sound

Question 51

The human tongue has many receptors that are specialized for ____.

A)pain
B)smell
C)pheromones
D)taste
E)equilibrium

Question 52

Match the receptor type with the correct description.
a.chemoreceptors
b.mechanoreceptors
c.thermoreceptors
d.photoreceptors
e.pain receptors
common in the organ of Corti

Question 53

The adjustment of the shape of the lens by the ciliary muscle is ____.

A)visual accommodation
B)refraction
C)reflection
D)photoreception
E)perception

Question 54

Match the receptor type with the correct description.
a.chemoreceptors
b.mechanoreceptors
c.thermoreceptors
d.photoreceptors
e.pain receptors
mostly contained in human skin

Question 55

Eyes are sensory organs that hold ____.

A)chemoreceptors
B)mechanoreceptors
C)photoreceptors
D)nociceptors
E)olfactory receptors

Question 56

Which animal has compound eyes?

A)protist
B)insect
C)cephalopod mollusk
D)vertebrate
E)amphibian

Question 57

The ____, which is made of transparent crystallin protein, covers the front of the eyeball.

A)lens
B)sclera
C)cornea
D)iris
E)retina

Question 58

To see in dim light, ____ are most needed.

A)rods
B)blue cones only
C)green cones only
D)red cones only
E)both red and green cones

Question 59

Match the receptor type with the correct description.
a.chemoreceptors
b.mechanoreceptors
c.thermoreceptors
d.photoreceptors
e.pain receptors
humans have two specialized forms of these

Question 60

Match the taste with the correct description.
a.sweetness
b.sourness
c.fattiness
d.umami
e.bitterness
acids trigger this taste

Question 61

Match the taste with the correct description.
a.sweetness
b.sourness
c.fattiness
d.umami
e.bitterness
undetected by many felines

Question 62

Match the taste with the correct description.
a.sweetness
b.sourness
c.fattiness
d.umami
e.bitterness
may detect plant toxins