Special Senses

Question 1

receptors sensitive to mechanical stimuli such as demornation, stretching, bending of cells

Answer 1

mechanoreceptors

Question 2

receptors that detect changes in temperature

Answer 2

thermoreceptors

Question 3

receptors that detect painful stimuli

Answer 3

nocireceptors

Question 4

receptors that detect light that strikes the retina

Answer 4

photoreceptors

Question 5

receptors that detect chemicals in the mouth, nose, and body fluids

Answer 5

chemoreceptors

Question 6

receptors that detect osmotic pressure of body fluids

Answer 6

osmoreceptors

Question 7

detects fine touch and pressure (touch sensations)

Answer 7

type 1 cutaneous mechanoreceptor (merkel or tactile disc)

Question 8

senses fine touch, pressure, and slow vibration (low-frequency)

Answer 8

corpuscle of touch (meissner corpuscle)

Question 9

senses crude touch and stretching of the skin (touch sensations)

Answer 9

type 2 cutaneous mechanoreceptors (ruffini corpuscle)

Question 10

senses pressure and fast vibration (high-frequency)

Answer 10

lamellated (Pacinian) corpuscle

Question 11

stimulates free nerve ending when someone else touches you

Answer 11

itch and tickle

Question 12

allows us to know where our head and limbs are located even with our eyes closed

Answer 12

proprioceptive

Question 13

perception of body movements

Answer 13

Kinesthetics

Question 14

the science that deals with the eye and its disorders

Answer 14

Opthalmology

Question 15

the science that deals with the ears, nose, and throat and their disorders

Answer 15

Otorhinolaryngology

Question 16

contains the upper portion of the nasal cavity with olfactory receptor cells, supporting cells, and basal cells

Answer 16

Olfactory Epithelium

Question 17

first-order neurons
a bipolar neuron with an exposed knob shaped dendrite and an axon projecting through the cribriform plate and neds in the olfactory bulb

Answer 17

Olfactory Receptor Cells

Question 18

sites where olfactory responses are made

Answer 18

Olfactory Cilia

Question 19

detects inhaled chemicals

Answer 19

Olfactory receptors

Question 20

stimulate the olfactory cilia

Answer 20

Odorants

Question 21

columnar epithelial cells of the mucous membrane lining the nose that provides physical support, nourishment, and electrical insulation which also detoxify chemicals

Answer 21

Supporting Cells

Question 22

stem cells located between the bases of supporting cells and continuously undergo cell division to produce olfactory receptor cells

Answer 22

Basal Cells

Question 23

produces mucus that is carried to the surface of the epithelium by ducts that moisten the surface of the olfactory epithelium

Answer 23

Olfactory glands

Question 24

1. axons of olfactory receptor cells
2. axons convey nerve impulses to the bulbs
3. impulses conduct via the olfactory tract to the limbic system to the hypothalamus to the cerebral cortex (temporal lobe)

Answer 24

Olfactory Pathway

Question 25

1. Filiform (tread-like at the middle) (no taste buds) 2. Fungiform (mushroom-shaped beside filiform) 3. Foliate (folds at sides) 4. Vallate (inverted v-shaped)

Answer 25

5 types of papillae

Question 26

the fold of mucous membrane along the lower midline of the tongue that connects the tongue to the floor of the oral cavity

Answer 26

Lingual Frenulum

Question 27

Facial (7) Glossopharyngeal (9) Vagus (10)

Answer 27

3 cranial nerves that innervate the taste buds

Question 28

look laterally and upward

Answer 28

Superior rectus

Question 29

look laterally and downward

Answer 29

Inferior rectus

Question 30

look laterally (CN#6)

Answer 30

Lateral rectus

Question 31

look medially

Answer 31

Medial rectus

Question 32

look medially and upward

Answer 32

Inferior oblique

Question 33

look medially and downward (CN#4)

Answer 33

Superior oblique

Question 34

nerve innervating all extraocular muscles

Answer 34

Cranial Nerve No.3

Question 35

produces and drains lacrimal fluid (tears)

Answer 35

Lacrimal Apparatus