Deck 16: The Special Senses

Question 1

How many extrinsic eye muscles are responsible for moving the eye?

A) 10
B) 12
C) 6
D) 4
E) 20

Answer 1

C

Question 2

Adaptation

A) occurs rapidly.
B) is an increase in sensitivity.
C) is seen in olfaction and hearing.
D) occurs only with vision.
E) never occurs with taste.

Answer 2

A

Question 3

Which of the following provide physical support, nourishment, and electrical insulation for olfactory receptors?

A) dendrites
B) glial cells
C) basal stem cells
D) bowman's glands
E) supporting cells

Answer 3

E

Question 4

Which of the following is a thin layer that protects the anterior surface of the eyeball?

A) palpebral fissure
B) conjectiva
C) lateral commissure
D) tarsal plate
E) choroid

Question 5

This darkly pigmented structure reduces light reflection within the eyeball.

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

Question 6

In order, list the cells, structures, and fluids that light must pass through to reach the photoreceptor cells.

Question 7

Which is NOT considered an accessory structure of the eye?

A) eyelids
B) eyelashes
C) lacrimal apparatus
D) retina
E) eyebrows

Question 8

The lens is made of layers of proteins called

A) choroid.
B) ciliary bodies.
C) crystallins.
D) cones.
E) rods.

Question 9

Taste buds are found in the

A) epiglottis.
B) pharynx.
C) soft palate.
D) epiglottis and the pharynx.
E) All of these answer choices are correct.

Question 10

Olfactory receptors are found

A) throughout the nasal cavity.
B) only in the superior portion of the nasal cavity.
C) only in the inferior portion of the nasal cavity.
D) from the vestibule to the pharynx.
E) only in the mid-nasal ridges.

Question 11

The first step in visual transduction is

A) allowing light through the pupil.
B) stopping scattering of light.
C) enhancing light level.
D) absorbing light by photopigments.
E) generating action potentials in the optic nerve.

Question 12

Which of the following provide for the sense of smell?

A) olfactory hair cells
B) glial cells
C) basal stem cells
D) bowman's glands
E) gustatory cells

Question 13

Which of the following provide for the sense of taste?

A) olfactory hair cells
B) tastant cells
C) basal stem cells
D) general receptor cells
E) gustatory cells

Question 14

Which of the following receptors is primarily used during high light situations?

A) scotopsin
B) rods
C) cones
D) vitamin A
E) optic nerve

Question 15

This structure protects the inner parts of the eyeball.

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

Question 16

The main function of this structure is to regulate the amount of light entering the eyeball through the pupil.

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

Question 17

Which of the following is the transparent portion of the eyeball that covers the iris?

A) retina
B) choroid
C) tunic
D) ciliary body
E) cornea

Question 18

Which of the following nerves serves in a gustatory function?

A) vestibulocochlear
B) oculomotor
C) vagus
D) trigeminal
E) spinal accessory

Question 19

Binocular vision

A) gives depth perception.
B) provides accurate color vision.
C) is only seen in humans.
D) can be created with only one eye.
E) All of these answer choices are correct.

Question 20

This structure lies between the lens and the retina.

A) vitreous chamber
B) pupil
C) iris
D) cornea
E) aqueous chamber

Question 21

Where is the sclera?

A) F
B) E
C) D
D) G
E) H

Question 22

Which one represents bleaching?

A) 1
B) 2
C) 3
D) 4
E) Both 2 and 4

Question 23

Which of the below structures acts to convert sound waves to vibrations?

A) cochlea
B) pinna
C) tympanic membrane
D) Organ of Corti
E) vestibulocochlear nerve

Question 24

Where is the internal auditory canal?

A) C
B) D
C) E
D) F
E) H

Question 25

This structure secretes a fluid that keeps the eyelids from sticking to each other.

A) D
B) E
C) F
D) G
E) None of these answer choices are correct.

Question 26

Where is the ciliary body?

A) A
B) B
C) C
D) H
E) F

Question 27

Which of the following structures senses dynamic equilibrium?

A) cochlea
B) Semicircular canals
C) maccule of vestibule
D) Organ of Corti
E) vestibulocochlear nerve

Question 28

Where is the choroid?

A) F
B) E
C) D
D) G
E) H

Question 29

Which of the following structures converts vibrations to action potentials?

A) cochlea
B) pinna
C) tympanic membrane
D) The Spiral Organ
E) vestibulocochlear nerve

Question 30

Which of the following papilla are mushroom shaped elevations that can contain about five taste buds each?

A) A
B) B
C) C
D) D
E) All of these answer choices are correct.

Question 31

This is a thin semi-transparent partition between the external auditory canal and the middle ear.

A) K
B) G
C) J
D) F
E) E

Question 32

Where is the optic nerve?

A) C
B) D
C) E
D) F
E) None of these answer choices are correct.

Question 33

Which of the following papilla have taste buds that degenerate in early childhood?

A) A
B) B
C) C
D) D
E) Both B and C

Question 34

Which of the following papilla house 100-300 taste buds each?

A) A
B) B
C) C
D) D
E) Both A and D

Question 35

Which one represents regeneration?

A) 1
B) 2
C) 3
D) 4
E) Both 1 and 3

Question 36

Which one represents nearsightedness before being corrected?

A) A
B) B
C) C
D) D
E) E

Question 37

Which of the following structures carries action potentials caused by sound transduction?

A) cochlea
B) pinna
C) tympanic membrane
D) Organ of Corti
E) vestibulocochlear nerve

Question 38

Where is the cornea?

A) B
B) D
C) E
D) F
E) None of these answer choices are correct.

Question 39

Which one demonstrates farsightedness before it has been corrected?

A) A
B) B
C) C
D) D
E) E

Question 40

What contains aqueous humor?

A) A
B) G
C) H
D) F
E) D

Question 41

The refraction abnormality in which either the cornea or the lens has an irregular curvature and as a result, parts of the image are out of focus, blurring, or distorting vision is called

A) hyperopia.
B) myopia.
C) emmetropia.
D) binocular vision.
E) astigmatism.

Question 42

Explain the process by which smell sensations are sensed and perceived.

Question 43

Sound intensity is measured in units called ___.

A) grams
B) meters
C) liters
D) joules
E) decibels

Question 44

What maintains the shape of the eyeball and prevents it from collapsing?

A) aqueous humor
B) crystallins
C) intraocular pressure
D) cornea
E) retinal isomerase

Question 45

These are the auditory ossicles.

A) A, B, C
B) A, C, G
C) A, B, J
D) J, C, G
E) C, D, G

Question 46

The neural layers contain what major types of retinal neurons?

A) photoreceptors
B) bipolar cells
C) ganglion cells
D) photoreceptors and bipolar cells
E) All of these answer choices are correct.

Question 47

Emily was very ill with an upper respiratory infection. Her roommate gave her some chicken soup to make her feel better. Neither Emily nor her roommate realized that the soup was too hot to eat until after Emily put a spoonful in her mouth. Now Emily says she can't taste anything. Why? When will she be able to taste again?

Question 48

The ___ the intensity of the vibration, the ___ is the sound.

A) larger, louder
B) smaller, louder
C) larger, softer
D) None of these answer choices are correct.

Question 49

Deafness can occur for many reasons. Using your knowledge of the structure of the ear and the process of detecting sound, explain why arthritis could cause deafness.

Question 50

Differentiate between static and dynamic equilibrium. Describe the structures and physiological mechanisms involved in receiving and transducing vestibular sensations.

Question 51

This portion of the inner ear is divided into three channels.

A) C
B) G
C) H
D) J
E) None of these answer choices are correct.

Question 52

Describe the process of image formation on the retina.

Question 53

Chemicals that can stimulate the olfactory hairs are ___.

A) tears
B) odorants
C) tastants
D) crysallins
E) retinols

Question 54

Which of the following are NOT types of cones found in the retina?

A) blue
B) green
C) red
D) yellow
E) All of these answer choices are correct.

Question 55

The tube connecting the middle ear with the superior portion of the throat, which opens during swallowing and yawning, allowing air to enter or leave the middle ear until the pressure in the middle ear equals the atmospheric pressure is the

A) semicircular canal.
B) Eustachian tube.
C) cochlea.
D) lacrimal duct.
E) rods.