Chapter 10

Question 1

What detect changes in the environment and stimulate neurons to send nerve impulses to the CNS for processing?

Answer 1

sensory receptors

Question 2

What senses are widely distributed and structurally simple, touch pressure, temperature and pain?

Answer 2

general senses

Question 3

What senses have complex specialized sensory organs in the head, vision, hearing, smell, taste, balance?

Answer 3

special senses

Question 4

What are the types of general receptors?

Answer 4

chemoreceptors, pain, thermoreceptors, mechanoreceptors, and photoreceptors

Question 5

Receptors sensitive to changes in chemical concentration

Answer 5

chemoreceptors

Question 6

receptors that detect tissue damage

Answer 6

pain

Question 7

responds to temperature differences

Answer 7

thermoreceptors

Question 8

responds to changes in pressure or movement

Answer 8

mechanoreceptors

Question 9

respond to light; found in the eye

Answer 9

photoreceptors

Question 10

Senses of body position, location in space, are associated with skeletal muscles

Answer 10

proprioception

Question 11

what are receptors for?

Answer 11

touch

Question 12

pressure senses, sense

Answer 12

deformation or displacement of tissues

Question 13

These consist of free nerve endings that are stimulated when tissues are damaged

Answer 13

pain receptors

Question 14

Masses of epithelium in roof of the nasal cavity contain olfactory receptros

Answer 14

olfactory organs

Question 15

smell receptors are chemoreceptors, inhaled odorants stimulate particular groups of olfactory receptors, to provide discrimination of smell receptors

Answer 15

olfactory receptors

Question 16

spherical organs of taste, each contain 50-100 taste cellls

Answer 16

taste buds

Question 17

functions as chemoreceptors, replaced every 10 days

Answer 17

taste cells (gustatory cells)

Question 18

List the 5 types of taste cells

Answer 18

sweet, sour, salty, bitter, and umami (delicious and savory)

Question 19

What are the 3 portions of the external ear?

Answer 19

auricle (pinna), external acoustic meatus (external auditory canal), tympanic membrane (eardrum)

Question 20

What collect sounds?

Answer 20

auricle (pinna)

Question 21

what is a s shaped tube that transports sound toward the ear drum?

Answer 21

external acoustic meatus

Question 22

this lies at the end of the external acoustic meatus and vibrates sound waves

Answer 22

tympanic membrane

Question 23

The middle ear houses 3 tiny bones called

Answer 23

auditory ossicles: malleus, incus, and stapes

Question 24

what are the two types of sense of equilibrium

Answer 24

static and dynamic

Question 25

hearing receptors cells, possess hairs that extend into the cochlear duct

Answer 25

hair cells

Question 26

what is found in the cochlea?

Answer 26

hearing receptor and spiral organelles

Question 27

help to maintain the position of the head, posture and balance when the head and body are still

Answer 27

static equilibrium

Question 28

help maintain balance when the head and body suddenly move or rotate, sensed by 3 semicircular canals

Answer 28

dynamic equilibrium

Question 29

area of the inner ear between the tympanic cavity and posterior to the cochlea that contains the otolith organs.

Answer 29

vestibule

Question 30

is transparent and help focus light ray, in the outer layer of the eye

Answer 30

cornea

Question 31

the white of the eye and part of the outer eye

Answer 31

sclera,

Question 32

what forms a ring around the front of the eye and can change the shape of the lens to focus, is located in the middle of the eye

Answer 32

ciliary body

Question 33

colored portion that surrounds the pupil, in the middle of the eye

Answer 33

iris

Question 34

are modified neurons which are the visual receptor cells

Answer 34

photoceptors

Question 35

key bridge between the light that enters your eyes and the images you see.

Answer 35

retina

Question 36

this provides sharp images in bright light, color vison and three types to sense different color

Answer 36

cones

Question 37

more sensitive to light and function in dim light, provide black and white vison, more of these than cones in the retina

Answer 37

rods

Question 38

fluid that fill the eye

Answer 38

humors

Question 39

fills the space between the cornea and lens

Answer 39

aqueous humor

Question 40

fills space between lens and retina

Answer 40

vitreous humor

Question 41

focusing causes light rays to bend

Answer 41

refraction