Ch 16 and 17 Lec 1 - Nerve Tracts and the ANS

Question 1

two types of sensory/motor pathways

Answer 1

ascending, descending

Question 2

sensory/motor pathway that conducts sensory impulses

Answer 2

ascending

Question 3

sensory/motor pathway that conducts motor impulses

Answer 3

descending

Question 4

sensory and motor pathways blank in complexity

Answer 4

vary

Question 5

three sensory pathways

Answer 5

first order neuron, second order, third order

Question 6

sensory patthway that sends info to CNS

Answer 6

first order neuron

Question 7

sensory pathway that receives impulses from first; spinal cord or brain stem

Answer 7

second order

Question 8

sensory pathway that carries signal from thalamus to cerebral cortex

Answer 8

third order

Question 9

how many somatic motor mathways

Answer 9

2

Question 10

how many autonomic motor pathways

Answer 10

three

Question 11

somatic motor pathway that is in the CNS

Answer 11

upper motor neuron

Question 12

somatic motor pathway that is from the CNS to effector

Answer 12

lower motor neurons

Question 13

autonomic motor pathway that is in CNS

Answer 13

upper motor neuron

Question 14

autonomic motor pathway that is from CNS to peripheral ganglion

Answer 14

preganglionic neuron

Question 15

autonomic motor pathway that is from ganglion to effector

Answer 15

postganglionic neuron

Question 16

ascending pathway where the sides cross in medulla

Answer 16

posterior column pathway

Question 17

posterior column pathway is for sensory impulses from blank, muscles, tendons, and blank

Answer 17

skin, joints

Question 18

posterior column pathway perceives things like fine blank, pressure, and body blank

Answer 18

touch, positino

Question 19

ascending pathway where sides cross in the spinal cord

Answer 19

spinothalamic pathway

Question 20

two tracts of the spinothalamic pathway

Answer 20

lateral, anterior

Question 21

tract of the spinothalamic pathway that is for sensation of pain and temperature

Answer 21

lateral

Question 22

spinothalamic pathway tract that is for sensation of crude touch and pressure

Answer 22

anterior tract

Question 23

ascending pathways go from blank nerves to blank

Answer 23

spinal, cerebral cortex

Question 24

ascending pathway that is for proprioception for fine coordination

Answer 24

spinocerebellar

Question 25

two tracts of the spinocerebellar pathway

Answer 25

anterior, posterior

Question 26

tract of spinocerebellar pathway where sides cross in spinal cord

Answer 26

anterior

Question 27

tract of spinocerebellar pathway that does not cross over

Answer 27

posterior tract

Question 28

in the spinocerebellar pathway there is no synapse in the blank

Answer 28

thalamus

Question 29

the spinocerebellar pathway never makes it to the blank and is for blank processing

Answer 29

cortex, subconscious

Question 30

descending pathway that has the corticobubular tract, lateral corticospinal tract, and anterior corticospinal tract

Answer 30

corticospinal

Question 31

tract of corticospinal pathway that has motor cranial nerves

Answer 31

corticobubular tract

Question 32

tract of corticospinal pathway that has motor spinal nerves and crosses over in medulla

Answer 32

lateral corticospinal tract

Question 33

corticospinal pathway tract that has motor spinal nerves and does not cross over

Answer 33

anterior corticospinal tracts

Question 34

descending pathway that stimulate and inhibit same lower motor neurons as corticospinal

Answer 34

medial pathway

Question 35

descending pathway that is for muscle tone and precise movements of distal upper limb

Answer 35

lateral pathway

Question 36

lateral pathway stimulates and inhibits same lower motor neurons as blank

Answer 36

corticospinal

Question 37

tract of the lateral pathway that starts in the red nucleus and crosses over

Answer 37

rubrospinal tracts

Question 38

rubrospinal tracts extend to blank region of the spinal cord

Answer 38

cervical

Question 39

three descending pathways

Answer 39

medial, lateral, corticospinal

Question 40

three tracts of medial pathway

Answer 40

tectospinal, reticulospinal, vestibulospinal

Question 41

three tracts of corticospinal pathway

Answer 41

corticobulbar, anterior corticospinal, lateral corticospinal

Question 42

lateral pathway tract

Answer 42

rubrospinal

Question 43

this nervous system funcitons continuously and independently

Answer 43

autonomic nervous system

Question 44

in the autonomic nervous system there is no blank effort needed

Answer 44

conscious

Question 45

the autonomic nervous system controls blank activities

Answer 45

visceral

Question 46

the autonomic nervous system has pathways with usually blank neuron(s)

Answer 46

two

Question 47

the somatic nervous system usually has blank peripheral motor axon(s)

Answer 47

one

Question 48

autonomic nervous system may result in additional blank and results in an additional blank

Answer 48

ganglia, synapse

Question 49

the somatic nervous system has no peripheral blank or blank

Answer 49

synapsing, ganglia

Question 50

two neurons of autonomic nerve fibers

Answer 50

preganglionic, postganglionic

Question 51

two divisions of the autonomic nervous system

Answer 51

sympathetic, parasympathetic

Question 52

division of autonomic nervous system for stressful situations

Answer 52

sympathetic

Question 53

division of the ANS that restores body to restful state

Answer 53

parasympathetic

Question 54

sympathetic and parasympathetic may blank

Answer 54

work together

Question 55

sympathetic and parasympathetic often work blank

Answer 55

antagonistically

Question 56

certain blank may only be innervated by one of the sympathetic or parasympathetic divisions

Answer 56

organs

Question 57

the sympathetic ganglia is made of the blank of blank neurons

Answer 57

soma, postganglionic

Question 57

two types of sympathetic ganglia

Answer 57

chain, collateral

Question 58

sympathetic chain has blank on each side

Answer 58

one

Question 59

fusion causes individual blank in the sympathetic chain

Answer 59

variability

Question 60

there are no cervical blank neurons

Answer 60

sympathetic

Question 61

there are cervical sympathetic blank

Answer 61

ganglia

Question 62

the chain ganglion is innervated by presynaptic fibers from nerves blank to blank

Answer 62

T1 to L2

Question 63

in chain preganglionic fibers, there is no cervical blank input

Answer 63

nerve

Question 64

go to office hours if i don't get it

Answer 64

okay

Question 65

preganglionic fibers leave the blank nerve and enter the chain via the blank

Answer 65

spinal, white ramus

Question 66

there are blank paths that a chain preganglionic impulse can take

Answer 66

three

Question 67

chain postganglionic fibers exit via the blank

Answer 67

gray ramus

Question 68

presynaptic fibers go straight through chain ganglion without blank

Answer 68

synapsing

Question 69

three major collateral ganglia

Answer 69

celiac, superior mesenteric, inferior mesenteric

Question 70

collateral ganglia deal for the most part with blank processes

Answer 70

digestive

Question 71

presynaptic fibers go through both the chain and collateral ganglia in this

Answer 71

adrenal medullae

Question 72

adrenal medullae stimulate the production of the hormones blank and blank

Answer 72

epinephrine, norepinephrine

Question 73

there are no blank fibers in the adrenal medullae

Answer 73

postganglionic

Question 74

epinephrine and norepinephrine make up blank

Answer 74

adrenaline