Ch 10 Anatomy

Question 1

General senses

Answer 1

Detected by sensory organs that exist as individual cells or receptor units

Widely distributed throughout the body

Question 2

Special senses

Answer 2

Detected by large and complex organs or localized grouping of sensory receptors

Question 3

Sensory receptor types

3

Answer 3

Classified by presence or absence of covering capsule

Encapsulated

Uncapsulated (free or naked)

Question 4

Photoreceptors

Answer 4

Light

Question 5

Chemoreceptors

Keyword chem

Answer 5

Chemicals

Question 6

Pain receptors

Answer 6

Injury

Question 7

Thermorecptors

Answer 7

Temperature change

Question 8

Mechanoreceptors

Answer 8

Movement or shape change

Question 9

All sense organs have common functional characteristics

Answer 9

All are able to detect a stimulus

A stimulus results in generation of a nerve impulse

A nerve impulse is processed and perceived as a sensation in the CNS

Question 10

Mode is

Answer 10

The kind of stimulus or change a receptor or sense is able to detect

Question 11

Free nerve ending

Keyword pttt

Answer 11

Pain, touch, tickle, and temperature

Question 12

Bulboid corpuscle

Answer 12

Touch and cold

Question 13

Lamellar corpuscle

Answer 13

Pressure and high frequency

Question 14

Tactical corpuscle

Answer 14

Fine touch and low frequency

Question 15

Bulbous corpuscle

Answer 15

Touch and pressure

Question 16

Tendon organ

Keyword T

Answer 16

Proprioception (sense of muscle tension)

Question 17

Muscle spindle

Keyword muscle and s

Answer 17

Sense of muscle length

Question 18

General senses are found in

Answer 18

Deep organs of the body

Question 19

Layers of the eyeball

Keyword FVI

Answer 19

Fibrous layer
Vascular layer
Inner layer

Question 20

Fibrous layer is a

Answer 20

Tough outer coat

Question 21

Sclera is

Answer 21

White of eye

Question 22

Cornea is

Answer 22

Transparent part over iris

Question 23

Conjunctiva

Answer 23

Mucous membrane that covers front of fibrous layer and extends to inside of eyelid

Question 24

Lacrimal gland

Answer 24

Secrets tears that moisten conjunctiva

Question 25

Vascular layer Keyword V

Answer 25

Has dense network of blood vessels

Question 26

Choroid is

Answer 26

Pigmented, melanin-rich layer prevents scattering of light

Question 27

Iris is

Answer 27

The colored part of the eye.

Question 28

Lens

Answer 28

Transparent behind the pupil; focuses or refracts light rays on the retina

Question 29

Ciliary muscle

Answer 29

Near front of vascular layer, just outside the edge of iris

Question 30

Inner layer Keyword inner

Answer 30

Innermost sensory layer

Question 31

Retina

Answer 31

Contains kinds of photoreceptors

Question 32

Rods

Answer 32

Receptors for night vision and peripheral vision

Question 33

Cones

Answer 33

Receptors for day visions and color vision

Question 34

Ganglion cells

Answer 34

Receptors for changing light patterns of days, months and seasons

Question 35

Aqueous humor Keyword A

Answer 35

In the anterior chamber in front of the lens

Question 36

Vitreous humor

Answer 36

In the posterior chamber behind the lens

Question 37

Visions detects

Answer 37

Intensity (brightness) and wavelength (color) of light

Question 38

Light must be refracted (focused) by the eye to form

Answer 38

Detectable image

Question 39

Innermost layer of retina contains Key word r & c

Answer 39

Rods and cons

Question 40

Impulse travels from the rods and cones through the

Answer 40

Bipolar and ganglionic layers of the retina

Question 41

Nerves impulse leaves the eye is the

Answer 41

Optic nerve

Question 42

The point of exit is free of receptors and is called

Answer 42

Blind spot

Question 43

The ear functions in hearing and equilibrium using receptors called

Answer 43

Mechanoreceptors

Question 44

External acoustic canal

Answer 44

Curving canal 2.5 cm in length Contains ceruminous glands Ends at the tympanic membrane

Question 45

Middle ears ends in the

Answer 45

Oval window

Question 46

The auditory tube(eustachian tube) connects

Answer 46

The middle ear to the throat

Question 47

Middle ear infection or inflammation is called

Answer 47

Otitis media

Question 48

Hearing detects changes In

Answer 48

Intensity (loudness) and frequency (tone) of sound waves, which are pressure waves

Question 49

2 types of Balance

Answer 49

Static and dynamic

Question 50

Static equilibrium

Answer 50

Sense of gravity

Question 51

Dynamic equilibrium

Answer 51

Sense of speed and direction of movement

Question 52

Sense of taste is also called

Answer 52

Gustation

Question 53

Receptors are chemoreceptors called gustatory cells located in the Keyword gustatory

Answer 53

Taste buds

Question 54

Primary taste modes

Answer 54

``` Sweet-detects sugars Sour-detects acid Bitter-detects alkaline solutions Salty-detects sodium ions Metallic-detects metal ions Umami(savory) detects glutamate an amino acid ```

Question 55

Olfaction has a relationship with emotions and memory through the

Answer 55

Limbic system

Question 56

All Senses are processed and perceived in the BRAIN and NOT in the

Answer 56

Receptors

Question 57

Our senses may decline as we

Answer 57

Age