MED 116 CH10

Question 1

A decreased sensitivity to continued stimulus is know as

Answer 1

Sensory adaptation

Question 2

All of the following are characteristics of cones except

Answer 2

Are much more numerous than rods

Question 3

All of the following are examples of general senses except

Answer 3

vision

Question 4

All of the following are examples of nociceptors except

Answer 4

They exhibit sensory adaptation

Question 5

All of the following are functions of tears except

Answer 5

Prevent foreign objects from entering the eye

Question 6

All of the following are taste sensations except

Answer 6

Pungent

Question 7

How do the number of cold receptors compare with the number of heat receptors?

Answer 7

Up to 10x more cold receptors in a given area

Question 8

Receptors for hearing are

Answer 8

Mechanoreceptors

Question 9

The bending of light rays so that they can be focused on the retina is known as

Answer 9

refraction

Question 10

The sense of position or orientation is know as

Answer 10

Proprioception

Question 11

What are the mechanoreceptors involved with proprioception?

Answer 11

Golgi tendon organs

Question 12

What are the organs of taste?

Answer 12

tastebuds

Question 13

What area of the brain interprets smell sensations?

Answer 13

Olfactory cortex

Question 14

What happens several minutes after a heating pad has been applied to an individual’s skin?

Answer 14

It no longer feels warm

Question 15

What is the name of the white spot in the eye where the optic nerve leaves the eye?

Answer 15

optic disk

Question 16

What is the range of frequencies for normal speech?

Answer 16

300-400 vibrations per second

Question 17

What region of the retina produces the sharpest image?

Answer 17

fovea centralis

Question 18

What stimulates a nociceptor?

Answer 18

tissue damage

Question 19

What stimulates the receptors that determine taste?

Answer 19

Chemicals in food

Question 20

What type of receptors do extreme temperatures stimulate?

Answer 20

pain receptors

Question 21

Where are thermoreceptors located?

Answer 21

Immediately under the skin

Question 22

Where are thermoreceptors most numerous?

Answer 22

lips

Question 23

Which of the following allows the eye to adapt to dim light?

Answer 23

rhodosin

Question 24

Which of the following equalizes the pressure between the outside and the middle ear?

Answer 24

eustachian tube

Question 25

Which of the following helps prevent foreign substances from reaching the eardrum?

Answer 25

cerumen

Question 26

Which of the following is an example of a sense receptor?

Answer 26

Mechanoreceptors, Chemoreceptors, Thermoreceptors, Photoreceptors

Question 27

Which of the following lobes of the brain interprets taste sensations?

Answer 27

parietal

Question 28

Which of the following mechanoreceptors are stimulated by heavy pressure?

Answer 28

Pacinian corpuscles

Question 29

Which of the following muscles closes the eye?

Answer 29

orbicularis oculi

Question 30

Which of the following part of the brain interprets visual impulses?

Answer 30

occipital lobe

Question 31

define special senses

Answer 31

taste, smell, vision, hearing and equilibrium

Question 32

define olfaction

Answer 32

sense of smell

Question 33

define macula lutea

Answer 33

yellowish depression on the retina

Question 34

define cochlea

Answer 34

spiral or snail shapped portion of the inner ear