Ch 12: Sensory System

Question 1

Five types of receptors

Answer 1

-Chemoreceptors
-Mechanoreceptors
-Thermoreceptors
-Nociceptors
-Photoreceptors

Question 2

Chemoreceptors

Answer 2

React to various chemicals including odours and tastes

Question 3

Mechanoreceptors

Answer 3

Respond to mechanical stimulation such as pressure, stretch, or vibration

Question 4

Thermoreceptors

Answer 4

Activated by a change in temperature

Question 5

Nociceptors

Answer 5

Pain, trauma, heat, chemicals, or a lack of oxygen

Question 6

Photoreceptors

Answer 6

Found only in the eyes, these respond to light

Question 7

Referred pain

Answer 7

Pain in a deep organ manifesting from the bodys surface
-Sensory fibres from an organ and those from an area of skin use the same pathway

Question 8

Cranial nerves involved in gustation

Answer 8

-Facial nerve (VII)
-Glossopharyngeal nerve (IX)
-Vagus nerve (X)

Question 9

Where are taste buds

Answer 9

Around the papillae on the tongue

Question 10

Cranial nerves involved in olfaction

Answer 10

Olfactory nerve (I)

Question 11

Auricle (pinna)

Answer 11

The visible part of the outer ear

Question 12

Three auditory bones

Answer 12

-Malleus
-Incus
-Stapes

Question 13

Tube that runs from the middle ear to the nasopharynx

Answer 13

Eustachian tube

Question 14

Oval window

Answer 14

Connected to the stapes, contains perilymph that transports sound movement

Question 15

Round window

Answer 15

Located at the end of the cochlea it dissipates remaining sound waves

Question 16

Ampulla

Answer 16

At the end of semicircular canals they detect dynamic motion

Question 17

Two sense organs within the vestibule

Answer 17

-Utricle
-Saccule

Question 18

Canthus

Answer 18

Corners of the eyes

Question 19

Tarsal glands

Answer 19

Another name for meibomian glands I guess.

Question 20

Semicircular canals detect this type of equilibrium

Answer 20

Dynamic equilibrium

Question 21

Utricle and saccule Detect this kind of equilibrium

Answer 21

Static equilibrium