Senses

Question 1

The mrans by which the brain receives info about the environment and the body

Answer 1

Senses

Question 2

Process initiated by stimulating sendory receptos

Answer 2

Sensation

Question 3

Conscious awareness of those certain stimuli

Answer 3

Perception

Question 4

Two Basic Groups of Senses

Answer 4

General Senses and Special Senses

Question 5

Receptors distributed over a large part of the body

Answer 5

General Senses

Question 6

Receptors localized and more specialized in structures to specific organs

Answer 6

Special Senses

Question 7

Sensory nerve endings or specialized cells capable of responding to stimuki by developing a.potentials

Answer 7

Sensory Receptors

Question 8

Type of receptor that responds to mechanical stimuki

Answer 8

Mechanoreceptors

Question 9

Type of receptor that responds to chemicals

Answer 9

Chemoreceptors

Question 10

Type of receptor that responds to light

Answer 10

Photoreceptors

Question 11

Type of receptor that responds to temp.change

Answer 11

Thermoreceptors

Question 12

Type of receptor that responds to stimuli that result in the sensation of pain

Answer 12

Nociceptors

Question 13

The sense of movement and position of the body and limbs

Answer 13

Proprioception

Question 14

Type of touch receptor that are involved in detecting light touch and superficial pressure

Answer 14

Merkel Disks

Question 15

Type of touch receptor that are also involved in detecting light touch, but cannot be precisely located

Answer 15

Hair Follicle Receptors

Question 16

Type of touch receptor that are evry specific in localizing tactile sensations

Answer 16

Meissner Corpucles

Question 17

Type of touch receptor that play annimportant role inndetecting continuous pressure in the skin

Answer 17

Ruffini Corpuscles

Question 18

Type of touch receptor that are associated with tendons and joints; relay info cncerning deep pressure, vibration and body position

Answer 18

Pacinian Corpuscles

Question 19

A group of unpleasant perceptual and emotional experiences.

Answer 19

Pain

Question 20

Suppresses a.potentials from pain receptors in local areas of the body through injection near a sensory receptor or nerve

Answer 20

Local Anesthesia

Question 21

Pain sensations can also be suppresed if loss of consciousness is produced

Answer 21

General Anesthesia

Question 22

Perceived to originate in a region of the body that is not the source of pain

Answer 22

Referred Pain

Question 23

Sensory structures that detect taste stimuli

Answer 23

Taste Buds

Question 24

Enlargements on the surface of the tongue

Answer 24

Papillae

Question 25

Three cranial nerves that carry out taste sensation to the brain

Answer 25

Glossopharyngeal, facial and vagus

Question 26

Pritect the eyes from perspiration and help shade it from direct sunlight

Answer 26

Eyebrows

Question 27

Protect eyes from foreign objects by rapidly blinking 20x per min

Answer 27

Eyelids

Question 28

Its secretions help lubricate the surface of the eye

Answer 28

Conjuctiva

Question 29

Produces tears

Answer 29

Lacrimal Apparatus

Question 30

Responsible to the eye's movement

Answer 30

Extrensic eye movement

Question 31

Three Tunics of the Eye

Answer 31

Fibrous tunic, Vascular Tunic, and Nervous Tunic

Question 32

Outer tunic that consists of the sclera and cornea

Answer 32

Fibrous Tunic

Question 33

Firm, white, outer conn.tissue layer; helps maintain the shape of the eye, protect internal structures, & provide attachment sites for extrinsic eye muscle; "white of the eye"

Answer 33

Sclera

Question 34

Permits light to enter; bends or refracts the entering light

Answer 34

Cornea

Question 35

Middle tunic that consists of the choroid, ciliary body, and iris

Answer 35

Vascular Tunic

Question 36

Consists of vascukar network & many melanin-containing pigment cells causing its cokir black that absorbs light

Answer 36

Choroid

Question 37

Inner tunic of the eye that consists of tge retina

Answer 37

Nervous Tunic

Question 38

The retina is composed of two layers

Answer 38

outer Pigmented Retina and inner Sensory Retina

Question 39

Photoreceptor cells, includes___&___, responds to light

Answer 39

Rods and Cones

Question 40

20x more common; function in dim light, don't provide color vision

Answer 40

Rods

Question 41

Require more light and provide color vision

Answer 41

Cones

Question 42

Three Cambers of the Eye

Answer 42

Anterior Chamber, Posterior Chamber, and Vitreous Chamber

Question 43

Photosensitive Pigment

Answer 43

Rhodopsin

Question 44

A peron with_____ deficiency may have this condition, which is____

Answer 44

Vit A, Night Blindness

Question 45

Three Areas of the Ear

Answer 45

External Ear, Middle Ear, and Inner Ear

Question 46

Part extending from the outside of the head to the tympanic eardrum

Answer 46

External Ear

Question 47

An air-filled chamber medial to the tympanic membrane

Answer 47

Middle Ear

Question 48

Set of fluid-filled chambers medial to the middle ear

Answer 48

Inner Ear

Question 49

Fleshy part of external ear on the outside of the head

Answer 49

Auricle

Question 50

Function of Auricle

Answer 50

Collects sound waves and directs them towards the external auditory canal

Question 51

Cerumen

Answer 51

Modified sebum commonly called earwax

Question 52

Two Major Steps in Process of Hearing

Answer 52

Conduction of Sound waves & Stimulation of Hearing Receptors

Question 53

The frequency, or wavelength of sound

Answer 53

Pitch

Question 54

Related to the amplitude of the sound wave

Answer 54

Volume

Question 55

Two Components of Balance

Answer 55

Static Equilibrium and Dynamic Equilibrium

Question 56

Ass. with the vestibule and involved in evaluating the position of the head relative to gravity

Answer 56

Static Equilibrium

Question 57

Ass. with semicircukar canals and involved in evaluating changes in the direction and rate of head movements

Answer 57

Dynamic Equilibrium