Senses

Question 1

They are widspread, superficial, and found in hairy and hairless skin. F-light, touch, temperature, and pain.

Answer 1

Free nerve endings

Question 2

A dendrite wrapped around a hair follicle. F-Light touch when the hair is displaced.

Answer 2

Hair follicle receptors

Question 3

Found in the dermal papillae of hairless skin. F-Light touch and low frequency vibration

Answer 3

Meissner’s corpuscles

Question 4

Found in the stratum basale of hairy and hairless skin. F-Pressure touch

Answer 4

Merkel’s nerve complex

Question 5

In the dermis, joint capsules, some viscera, genitals, and breasts. F- High frequency vibration, pressure, stretch, and tickling

Answer 5

Lamellated or Pacinian corpuscles

Question 6

In the dermis and joint capsules. F-Pressure touch

Answer 6

Ruffini’s cylinders

Question 7

Form the capsule surrounding the taste receptor cells. Support and protect the receptor cells.

Answer 7

Supporting cells

Question 8

Develop into supporting cells and then into receptor cells which live about ten days.

Answer 8

Basal Cells

Question 9

Lack taste buds. Roughen the tongue and aid in food manipulation.

Answer 9

Filliform papillae

Question 10

These papillae form parallel bands on the sides of the posterior two-thirds of the tongue. They have few taste buds

Answer 10

Foliate papillae

Question 11

Comprises the two olfactory organs in the nasal cavity

Answer 11

Olfactory epithelium

Question 12

The connective tissue beneath the olfactory epithelium

Answer 12

Lamina propria

Question 13

The cells which replace lost or damaged olfactory receptor cells at the base of the olfactory epithelium

Answer 13

Basal cells

Question 14

These are mucus glands found in the lamina propria that moisten olfactory epithlium, and dissolve odor molecules.

Answer 14

Bowman’s glands

Question 15

The fleshy external flap located on side of head.Collects sound waves and directs them into the external auditory canal

Answer 15

Auricle

Question 16

The passageway that directs sound waves from the auricle to the tympanic membrane

Answer 16

External auditory canal

Question 17

AKA the eardrum. Separates the outer and middle ears. Vibrates when struck by sound waves.

Answer 17

Tympanic membrane

Question 18

These glands secrete cerumen, or earwax, into the external auditory canal. Help prevent foreign substances from reach eardrum.

Answer 18

Ceruminous glands

Question 19

Transmits vibrations from the tympanic membrane to the incus.

Answer 19

Malleus

Question 20

Transmits vibrations from malleus to stapes.

Answer 20

Incus

Question 21

Transmits vibrations from incus to oval window

Answer 21

Stapes

Question 22

Opening between middle and inner ear. Enables hearing of low amplitude sounds

Answer 22

Oval Window

Question 23

Opening directly below the oval window. Covered by a secondary tympanic membrane. Bulges out middle ear to dissipate the pressure waves within the cochlea.

Answer 23

Round window

Question 24

Tube connecting middle ear and nasopharynx. Enables the tympanic membrane to vibrate freely.

Answer 24

Eustachian tube

Question 25

Resembles snail shell, contains the cochlear duct.

Answer 25

Cochlea

Question 26

Part of the bony labyrinth containing the saccule and utricle

Answer 26

Vestibule

Question 27

Contains semicircular ducts

Answer 27

Semicircular canals

Question 28

The white of the eye. A tough, tendon like layer continuous with the dura mater of the brain around the optic nerve. Shapes the eye.

Answer 28

Scelra

Question 29

Most anterior layer of the eye that is continuous with the sclera. Transparent to allow light into the eye. Well supplied with nerve endings for pain, reflex blinking, and to stimulate lacrimal secretions. Lack blood vessels.

Answer 29

Cornea

Question 30

Separates the fibrous and sensory tunics.Provides oxygen and nourishment to the eye.

Answer 30

Choroid

Question 31

Lies beneath cornea. Attributes to eye color. Controls amount of light entering eye

Answer 31

Iris

Question 32

Round central opening in center of eye

Answer 32

Pupil

Question 33

Just beneath the iris.Holds the lens in place and changes its shape to focus light onto the retina.

Answer 33

Ciliary body

Question 34

Beneath the iris. Focuses on image on the retina by changing shape under the influence of the ciliary muscles.

Answer 34

Lens

Question 35

Two innermost layers of eye.Absorbs light and prevents from bouncing back

Answer 35

Retina

Question 36

Enable us to see shades of grey in dim light

Answer 36

Rods

Question 37

Responsible for high acuity color vision. Only operate in bright light

Answer 37

Cones

Question 38

Sysnapse with the dendrites of the rods and cones.Transmit nerve impulses to the ganglion cells

Answer 38

Bipolar neurons

Question 39

Syanpse with the axons and bipolar neurons. The axons combine to form the optic nerve, which sends nerve impulses to the brain

Answer 39

Ganglion cells

Question 40

Where the optic nerve leaves the eye. Not covered by he retina. A blind spot in the eye

Answer 40

Optic disc

Question 41

Cranial nerve II: it transmits visual info from the eye to the brain

Answer 41

Optic nerve

Question 42

Mushroom shaped, all over tongue. Each papillae has about 5 taste buds.

Answer 42

Fungiform papillae

Question 43

Large circular papillae with depression in the middle. About 12 arranged on back of tongue in V shaped row. Contain from 100-300 taste buds.

Answer 43

Vallate papillae