Test 2 #2

Question 1

2nd order neurons

Answer 1

dorsal nucleus of clarke

Question 2

upper arm

Answer 2

cuneate nucleus

Question 3

what does the Ascending reticular activating system (ARAS) do?

Answer 3

Awareness

Question 4

Sensory information usually ends up on opposite side of cerebral cortex why?

Answer 4

2nd order neurons cross them up.

Question 5

which pathways carry pain to cerebrum

Answer 5

spinothalamic

Question 6

dermatome of upper arm

Answer 6

C5

Question 7

type of nocioceptor

Answer 7

free nerve ending

Question 8

stimulus of a stretch receptor

Answer 8

muscle spinds/Gamma neuron

Question 9

follicular receptor

Answer 9

mechanoreceptor

Question 10

Vibration

Answer 10

pacinian

Question 11

left arm/leg weakness

Answer 11

Right cerebellum

Question 12

does not contain corticobulber fibers

Answer 12

pyramid/lateral corticospinal

Question 13

patellar reflex is an example of_____

Answer 13

myotatic

Question 14

fibers cross

Answer 14

withdrawal reflex

Question 15

motor units____ over time with aging

Answer 15

decrease

Question 16

Upper arm injury

Answer 16

cuneate tract

Question 17

excessive contracted prevented by

Answer 17

golgi tendon organ

Question 18

primary afferent sensory

Answer 18

measure of rate of stretch

Question 19

gracile fasciculus/nucleus located at?

Answer 19

DRG

Question 20

Gracile fasciculus fibers cross at

Answer 20

internal arcuate fibers

Question 21

alpha motor neurons found in

Answer 21

gray matter of spinal cord

Question 22

proprioceptive sensation of lower limb carried by _____ tract

Answer 22

gracile

Question 23

nucleus dorsalis is located at ___-___ spinal levels

Answer 23

T1-L2

Question 24

does not contain corticobular fibers

Answer 24

lateral corticospinal

Question 25

posterior spinocerebellar tract originates from which nucleus?

Answer 25

Dorsal Thoracic

Question 26

Neurons in the Spinal Ganglia are

Answer 26

pseudounipolar

Question 27

Why is the cervical region of the spinal cord the largest?

Answer 27

contains the most white matter

Question 28

primary NT

Answer 28

Ach

Question 29

anterior corticospinal tract crosses the ____ of the spinal cord

Answer 29

midline

Question 30

a simultaneous and opposite patter of activity in the contralateral limb is known as?

Answer 30

crossed effect

Question 31

35 year old roofer is examined in the emergency department after falling two stories

Answer 31

anterior spinal cord

Question 32

posterior columns

Answer 32

Gracile and cuneate fasciles

Question 33

crossing fibers originating from the nucleus called?

Answer 33

internal arcuate fibers

Question 34

erector spinae is innervated by neurons in the_____

Answer 34

medial ventral horn

Question 35

What cortical layer contains BETZ cells?

Answer 35

inner pyramidal

Question 36

raphe spinal tract releases ____ at the spinal cord level

Answer 36

serotonin