Reflexes

Question 1

Involuntary, nearly instantaneous movement to a stimulus

Answer 1

Reflex

Question 2

Acts on an impulse before that impulse reaches the brain

Answer 2

Reflex arc

Question 3

Key terms for reflex

Answer 3

Instantaneous

Involuntary

Question 4

Cranial nerves involved in pupillary light reflex
Sensory:
Motor:

Answer 4

Sensory: CN II
Motor: CN III

Question 5

CNs for visual threat response
Sensory:
Motor:

Answer 5

Sensory: CN II
Motor: CN VII

Question 6

CNs involved in accomodation reflex
Sensory:
Motor:

Answer 6

Sensory: CN II
Motor: CN III

Question 7

CNs for corneal blink reflex
Sensory:
Motor:

Answer 7

Sensory: CN V
Motor: CN VII (CN III)

Question 8

CNs for gag reflex
Sensory:
Motor:

Answer 8

Sensory: CN IX
Motor: CN X

Question 9

CNs for glabellar reflex
Sensory:
Motor:

Answer 9

Sensory: CN V
Motor: CN VII

Question 10

CNs for vestibulo-ocular reflex
Sensory:
Motor:

Answer 10

Sensory: CN VIII
Motor: CN III, IV, VI

Question 11

Spastic paralysis (UMN/LMN)

Answer 11

UMN

Question 12

Fasciculations: PRESENT (UMN/LMN)

Answer 12

LMN

Question 13

Hyper-reflexive (UMN/LMN)

Answer 13

UMN

Question 14

POSITIVE babinski sign (UMN/LMN)

Answer 14

UMN

Question 15

Flaccid paralysis (UMN/LMN)

Answer 15

LMN

Question 16

Disuse atrophy (UMN/LMN)

Answer 16

UMN

Question 17

Area of body involved: small (UMN/LMN)

Answer 17

LMN

Question 18

Hypotonic (decreased DTR) (UMN/LMN)

Answer 18

LMN

Question 19

Motor component of muscle reflex (UMN/LMN)

Answer 19

LMN

Question 20

Contains the large pyramidal cells of Getz

Answer 20

Left cerebral motor cortex

Question 21

Left cerebral motor cortex gives rise to what tract?

Answer 21

Corticospinal tract

Question 22

Ankle jerk
Dermatome:
Muscle:

Answer 22

S1

Gastrocnemius

Question 23

Triceps reflex
Dermatome:
Muscle:

Answer 23

C7, C8

Triceps muscle

Question 24

Knee jerk
Dermatome:
Muscle:

Answer 24

L2-L4

Quadriceps

Question 25

Abdominal reflexes | Dermatomes above the umbilicus

Answer 25

T8, T9, T10

Question 26

Abdominal reflexes: | Dermatomes below the umbilicus

Answer 26

T10, T11, T12

Question 27

Normal response to brisk stroke to the abdomen (abdominal reflex)

Answer 27

Deviation of umbilicus to the side of stimulus

Question 28

Stroking the superior, medial part of the thigh

Answer 28

Cremasteric reflex

Question 29

Normal response to anal wink reflex

Answer 29

Contraction of the external anal sphincter

Question 30

Dermatome for anal wink reflex

Answer 30

S4-S5 (S3-S4)

Question 31

Normal response for cremasteric reflex

Answer 31

Ipsilateral pulling up of the testis by the cremaster muscle

Question 32

Scratching of the abdominal wall below the costal margin and iliac fossa

Answer 32

Abdominal reflex

Question 33

Dermatome for cremasteric reflex

Answer 33

L1-L2

Question 34

Normal response for triceps reflex

Answer 34

EXTENSION of the triceps muscle

Question 35

Dermatome for triceps reflex

Answer 35

C7-C8

Question 36

Biceps reflex normal repsonse

Answer 36

Elbow FLEXION

Question 37

Muscle involved in biceps muscle

Answer 37

Biceps brachii

Question 38

Supinator/ brachioradialis reflex normal response

Answer 38

Slight elbow SUPINATION and FLEXION

Question 39

Dermatome for supinator reflex

Answer 39

C5-C6

Question 40

Knee jerk reflex normal response

Answer 40

Knee EXTENSION

Question 41

Muscle involved in knee jerk

Answer 41

quadriceps

Question 42

Ankle reflex normal response

Answer 42

PLANTARFLEXION

Question 43

Dermatome for knee jerk

Answer 43

L2-L4

Question 44

Muscle involved in ankle jerk

Answer 44

Gastrocnemius

Question 45

Dermatome for ankle jerk

Answer 45

S1

Question 46

Reinforcement technique used to elicit response for knee jerk

Answer 46

Jendrassik manuever

Question 47

Grading for normal contraction of the muscle

Answer 47

2+ / ++

Question 48

Grading for hyperactive with clonus

Answer 48

4+ / ++++

Question 49

It is a series of involuntary, rhythmic muscular contractions and relaxations of the muscle

Answer 49

Clonus

Question 50

Abnormal reflexes indicates a loss of?

Answer 50

Loss of cortical inhibition

Question 51

Abnormal reflexes are a result of lesion in?

Answer 51

UMN

Question 52

The most important and reliable pathological reflex

Answer 52

Babinski sign

Question 53

It is the upper limb counterpart of the babinski sign

Answer 53

Hoffman’s sign

Question 54

Positive babinski sign

Answer 54

Fanning out of toes | EXTENSION of the great toe

Question 55

Maneuvers for babinski sign

Answer 55

Chaddock Oppenheim Gordon

Question 56

Negative babinski sign

Answer 56

FLEXION of the great toe

Question 57

Babinski manuever: Done on the anterior tibia From just below the patella, it is firmly stroked with a knuckle

Answer 57

Oppenheim

Question 58

Babinski manuever: Lateral foot From lateral malleolus to the small toe

Answer 58

Chaddock

Question 59

Babinski manuever: | Calf muscles are squeezed firmly

Answer 59

Gordon

Question 60

(+) response: flexion of the index finger to the thumb of the same hand

Answer 60

Hoffman’s sign

Question 61

Present if stroking the lateral upper lip causes movement of the mouth toward the stimulus

Answer 61

Rooting reflex

Question 62

Tapping of a tongue blade across the lips causes pursing of the lips

Answer 62

Snout reflex

Question 63

Stroking of the palm of patient’s hand causes it to grasp and fingers to flex

Answer 63

Grasp reflex

Question 64

Stroking of the palm of the hand causes contraction of ipsilateral mentalis muscle of the lower lip

Answer 64

Palmomental reflex

Question 65

Person instinctively sucks everything that touches the roof of the mouth

Answer 65

Sucking reflex