Chapter 19 Part 1 Flashcards Preview

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Flashcards in Chapter 19 Part 1 Deck (30):
1

Conscious awareness that occurs in cerebral cortex

Perception

2

A decreased sensitivity of receptors during prolonged stimulation

Adaption

3

Varies with receptor types and includes rapid; adaptors such as smell or touch slow adaptors such as body positions and pain

Adaption rate

4

Free nerve endings are structurally bare dendrites

Structurally receptor types

5

Mechanoceptors,nocieptor, thermoseptor,osmoreceptor

Functional receptor types

6

Conscious or subconscious change in the external or internal environment

Sensation (stimulus)

7

Pain

Neuoceptor

8

Temperature

Thermoseptors

9

Touch and pressure

Mechanoreptors

10

Blood pressure

Osmoreceptors

11

Messenier,hair root plexus,merkel discs, ruffuni corpuscles

Touch receptors

12

Corpuscles located in dermal papillae of dermis

Messiener

13

Surrounds and detects hair movement

Hair root plexus

14

Located in stratum basale of epidermis

Merkel discs

15

Located in deep dermis

Ruffuni corpocules

16

Pascian corpocules; detect pressure

Pressure receptor

17

Free nerve ending located in every tissue except brain and detect pain

Pain receptors (noiceceptors)

18

Fast,slow,referred

Pain types

19

Localized acute sharp or pricking pain

Fast pain

20

Diffuse,chronic,burning,aching and throbbing pain

Slow pain

21

Pain perceived in skin from involved organ; both supplied by same spinal cord level

Referred pain

22

The organ with broadest referred pain

Kidney

23

Provide pain relief

Analgesics

24

Inhibit formation of chemicals that stimulate nieoceptors

Aspirin and ibuprofen

25

Blocks conduction of nerve impulses

Novicane

26

Blocks pain perception in brain

Morphine

27

Awareness of body position movements and weight of objects

Proprieception

28

Monitor muscle length changes

Muscle spindles

29

Monitor tendon tension changes

Tendon organs

30

Monitor synovial joint movements

Joint kinethetic receptors