Reflex and Sensory Testing

Question 1

what is the purpose of sensory testing?

Answer 1

determines the boundaries of a sensory legion, sensory integrity and its effects on motor output, and assures patient safety to prevent secondary complications

Question 2

dorsal root contains:

Answer 2

afferent sensory fibers

Question 3

ventral root contains:

Answer 3

efferent motor fibers

Question 4

define: dermatome

Answer 4

area of skin innervated by a single nerve root

Question 5

define: myotome

Answer 5

group of muscles innervated by a single nerve root

Question 6

sensory deficits are detected by body comparisons of:

Answer 6

CL side and prox/dist regions of same side

Question 7

what is the position of choice for sensory testing:

Answer 7

supine

Question 8

Describe the test for light touch

Answer 8

Instruct patient to say yes as soon as stimulus is felt; touch cotton to skin and do not wipe; ask do you feel the pressure now (A) or now (B) test both sides and then proximal and distal to find normal areas

Question 9

what is the score scale for light touch and pinprick?

Answer 9

0 is absent, 1 is impaired, and 2 is normal

Question 10

what nerve roots are used in sensory testing?

Answer 10

C2-8, T1, L1-5, and S1-2

Question 11

testing location for C2

Answer 11

behind ear

Question 12

testing location for C3

Answer 12

anterior neck just above collar bone

Question 13

testing location for C4

Answer 13

near acromion

Question 14

testing location for C5

Answer 14

lateral arm near cubital fossa

Question 15

testing location for C6

Answer 15

posterior thumb

Question 16

testing location for C7

Answer 16

posterior middle finger

Question 17

testing location for C8

Answer 17

posterior pinky finger

Question 18

testing location for T1

Answer 18

medial arm near cubital fossa

Question 19

testing location for L1

Answer 19

medial inguinal region

Question 20

testing location for L2

Answer 20

medial thigh halfway between inguinal region and knee

Question 21

testing location for L3

Answer 21

medial knee

Question 22

testing location for L4

Answer 22

medial ankle

Question 23

testing location for L5

Answer 23

medial foot

Question 24

testing location for S1

Answer 24

posterior heel

Question 25

testing location for S2

Answer 25

posterior knee

Question 26

when testing myotomes, each contraction should be held for:

Answer 26

at least 5 seconds

Question 27

MMT is meant to evaluate and assess:

Answer 27

strength

Question 28

myotome testing is meant to assess:

Answer 28

innervation

Question 29

motor evaluation of C5:

Answer 29

elbow flexors

Question 30

motor evaluation of C6:

Answer 30

wrist extensors

Question 31

motor evaluation of C7:

Answer 31

elbow extensors

Question 32

motor evaluation of C8:

Answer 32

finger flexors

Question 33

motor evaluation of T1:

Answer 33

finger abductors

Question 34

reflex testing for C5:

Answer 34

biceps

Question 35

reflex testing C6:

Answer 35

brachioradialis

Question 36

reflex testing C7:

Answer 36

triceps

Question 37

motor evaluation of L2:

Answer 37

hip flexors

Question 38

motor evaluation of L3:

Answer 38

knee extensors

Question 39

motor evaluation of L4:

Answer 39

ankle dorsiflexors

Question 40

motor evaluation of L5:

Answer 40

long toe extensors

Question 41

motor evaluation of S1:

Answer 41

ankle plantarflexors

Question 42

jenrassik maneuver

Answer 42

patient interlocks the fingers and attempts to pull them apart

Question 43

the quadriceps reflex test tests what segments:

Answer 43

L2-L4

Question 44

the quadriceps reflex test strikes the hammer where?

Answer 44

between the patella and the tibial tuberosity

Question 45

achilles reflex tests:

Answer 45

S1-S2

Question 46

achilles reflex procedure:

Answer 46

examiner places one hand under MT heads of foot bringing foot into neutral position; strikes calcaneal tendon with the head of the reflex hammer while holding the foot in position

Question 47

hyperactive reflexes are generally indicative of:

Answer 47

upper motor neuron disease