Ch15&16 Anat/physio Review Guide

Front 1

Refers to sensitivity to pain, temperature, touch, and vibration

Back 1

General senses

Front 2

Usually have large receptive fields

Back 2

Nociceptor

Front 3

scattered immediately beneath the surface of the skin

Back 3

Thermoreceptors

Front 4

a tactile receptor that responds to deep pressure

Back 4

Ruffini corpuscle

Front 5

a tactile receptor composed of dendrites that are highly coiled and interwoven

Back 5

Meissner's corpuscle

Front 6

sensory receptors that respond to changes in blood pressure

Back 6

Baroreceptors

Front 7

a tactile receptor that is composed of dendritic processes that lie within a series of concentric cellular layers

Back 7

Pacinian corpuscle

Front 8

includes the root hair plexus, Merkel's discs, Meissner's corpuscles, free nerve endings

Back 8

tactile receptors

Front 9

the sensory neuron that delivers the sensation to the CNS

Back 9

first order neurons

Front 10

Anterior corticospinal tract

Back 10

the spinal tract that regulates voluntary motor control of muscles on the same side of the body

Front 11

the spinal tract that controls involuntary regulation of eye, head, neck and arm position in response to visual and auditory stimuli

Back 11

Tectospinal Tract

Front 12

voluntary control of skeletal muscles

Back 12

Pyramidal system

Front 13

not part of the extrapyramidal system

Back 13

Spinothalamic tracts

Front 14

not controlled by the cerebellum

Back 14

touch sensations

Front 15

decreases the amount of information that reaches CNS

Back 15

peripheral adaptation

Front 16

control skeletal muscles by traveling over the medial, lateral, and corticospinal pathways

Back 16

conscious and subconscious motor commands

Front 17

a rare condition in which the brain fails to develop at levels above the mesencephalon or inferior part of the diencephalon

Back 17

anencephaly

Front 18

a link between a receptor and cortical neuron

Back 18

labeled line

Front 19

cause a generalized activation of the reticular formation and the thalamus

Back 19

sensations of burning or aching pain

Front 20

stimulation of a neuron that originates in the inferior region of the right precentral gyrus

Back 20

muscle twitch in the left cheek

Front 21

Lower Motor Neuron

Back 21

*identify on a picture of the neural pathway

Front 22

when axons cross over from one side of the brain to the other

Back 22

Decussate

Front 23

the change in transmembrane potential that accompanies receptor stimulation

Back 23

receptor potential

Front 24

a membrane depolarization that leads to an action potential in an excitable sensory membrane

Back 24

generator potential

Front 25

sensory neurons that are always active

Back 25

tonic receptors

Front 26

provides information about the strength, duration, variation, and movement of a sensory stimulus

Back 26

sensory coding

Front 27

Sensory homunculus

Back 27

**a map of the sensory cortex of the cerebrum**

Front 28

a number of disorders that affect voluntary motor performance

Back 28

cerebral palsy

Front 29

Damage to the posterior spinal cord at c7, T1?

Back 29

what tract lies in area? what happens if there is persistent swelling in this area?

Front 30

second order neurons of the autonomic nervous system

Back 30

autonomic ganglia

Front 31

release epinephrine into blood capillaries

Back 31

postganglionic neurons in the adrenal gland

Front 32

stimulation by norepinephrine would result in release of intercellular calcium stores

Back 32

Alpha 1 receptors

Front 33

inhibition of the parasympathetic neurons of the digestive tract

Back 33

Alpha 2 receptors

Front 34

sweat glands contain them

Back 34

cholinergic receptors

Front 35

not a visceral effect

Back 35

cremaster reflex

Front 36

a state of unconsciousness in which an individual can be aroused by normal stimuli

Back 36

sleep

Front 37

the brain waves produced by normal adults while testing with their eyes closed

Back 37

Alpha waves

Front 38

controls visceral effectors

Back 38

ANS

Front 39

originate in the thoracic and superior segments of the spinal cord

Back 39

preganglionic fibers

Front 40

the effect of the neurotransmitter on the target cell depends on the nature of the receptor

Back 40

receptor on the post synaptic membrane

Front 41

there are no enzymes to break down epinephrine and norepinephrine the blood and few enzymes in peripheral tissues

Back 41

epinephrine and norepinephrine

Front 42

drugs that stimulate alpha receptors causing construction of peripheral vessels

Back 42

sympathomimetic

Front 43

the simplest functional units of the autonomic nervous system

Back 43

visceral reflexes

Front 44

drugs that mimic the activity of one of the normal autonomic neurotransmitters

Back 44

mimetics

Front 45

neurons that use norepinephrine as a transmitter

Back 45

adrenergic