Deck 18: Special Senses

Question 1

The ________ is the innermost layer of the eye and it contains photoreceptor cells (rods and cones).

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

Answer 1

A

Question 2

The role of cerumen is to ________.

A) trap foreign particles that enter the external acoustic meatus
B) facilitate vibration of the tympanic membrane
C) detect changes in linear movement and respond to gravitational forces
D) amplify sound waves

Answer 2

A

Question 3

The structure that connects the auricle to the tympanic membrane is called the ________.

A) external acoustic meatus
B) lobule
C) vestibule
D) helix

Answer 3

A

Question 4

The role of the rod cells of the retina is to ________.

A) facilitate color vision
B) prevent reflection of light rays when they reach the retina
C) allow an individual to view objects in sharp focus
D) facilitate peripheral vision and vision in low-light conditions

Question 5

Which of the following tools is used to test visual acuity?

A) Ishihara color plates
B) Snellen eye chart
C) astigmatism chart
D) Weber test

Question 6

Olfactory receptor cells,sensory receptors for olfaction,are located ________.

A) in the olfactory epithelium
B) in the semicircular canals
C) in the cochlear duct
D) in structures called papillae

Question 7

________ deafness results from damage along the neural pathway for hearing,whereas ________ deafness involves altered transmission of sound waves.

A) Conductive; sensorineural
B) Rinne; conductive
C) Weber; sensorineural
D) Sensorineural; conductive

Question 8

Which of the following statements accurately summarizes the difference between static and dynamic equilibrium?

A) Static equilibrium involves changes in olfaction, whereas dynamic equilibrium involves changes in gustation.
B) There is no difference between static and dynamic equilibrium.
C) Static equilibrium involves changes in linear movements, whereas dynamic equilibrium involves changes in angular acceleration and deceleration.
D) Dynamic equilibrium involves changes in linear movements, whereas static equilibrium involves changes in angular acceleration and deceleration.

Question 9

Which of the following explains why the smell of freshly brewed coffee is quite pungent when you enter your office,but you notice the smell less as the workday proceeds?

A) equilibrium
B) adaptation
C) olfaction
D) tonicity

Question 10

The sensory receptors for gustation are called ________.

A) papillae
B) taste buds
C) transitional cells
D) basal cells

Question 11

Taste buds,sensory receptors for gustation,are located ________.

A) in structures called papillae
B) in the olfactory epithelium
C) in the semicircular canals
D) in the cochlear duct

Question 12

According to a recent test using a Snellen chart,your roommate's vision is 20/70.What does this mean?

A) The results indicate that your roommate's eyesight is better than normal.
B) The results are consistent with normal visual ability.
C) The results indicate that objects that your roommate can see clearly at 20 feet can be seen clearly at 70 feet by a person with normal vision.
D) The results indicate that objects that your roommate can see clearly at 70 feet can be seen clearly at 20 feet by a person with normal vision.

Question 13

During your most recent Weber test,you were able to hear the tone of the tuning fork in both ears; however,the sound was louder in the right ear.Interpret the results.

A) The test results indicate sensorineural deafness.
B) The test results indicate conduction deafness affecting the right ear.
C) The test results indicate conduction deafness affecting the left ear.
D) The test results are consistent with normal hearing.

Question 14

Diminished sensitivity to a sense over a period of continuous stimulation is known as ________.

A) adaptation
B) olfaction
C) tonicity
D) audition

Question 15

The sense of smell is also known as ________.

A) vision
B) olfaction
C) gustation
D) equilibrium

Question 16

Which of the following connects the olfactory bulbs to the olfactory area of the cerebrum?

A) olfactory receptor cells
B) supporting cells
C) olfactory tracts
D) olfactory glands

Question 17

The ________ contains the sensory receptors for hearing.

A) eustachian tube
B) cochlea
C) ampulla
D) vestibule

Question 18

The role of the accessory structures of the eye is to ________.

A) focus light waves onto the retina
B) prevent incoming light waves from being reflected out of the eye
C) change the shape of the lens while focusing on objects that are distant or near
D) protect the eye from airborne particles and dust

Question 19

The ________ focuses light onto the retina.

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

Question 20

The ________ of the eye contains the pigmented cells that are responsible for eye color.

A) lens
B) cornea
C) cones
D) iris