Dermatomes And Myotones

Question 1

What is a dermatome?

Answer 1

An area of skin innervated by sensory fibers of a single spinal nerve.

Question 2

Which dermatome covers the lateral shoulder?

Answer 2

C5.

Question 3

Which dermatome covers the thumb?

Answer 3

C6.

Question 4

Which dermatome covers the middle finger?

Answer 4

C7.

Question 5

Which dermatome covers the little finger?

Answer 5

C8.

Question 6

Which dermatome covers the medial forearm?

Answer 6

T1.

Question 7

Which dermatome covers the lateral forearm?

Answer 7

C6.

Question 8

What dermatome is associated with the deltoid patch?

Answer 8

C5.

Question 9

Which dermatome covers the upper lateral arm?

Answer 9

C5.

Question 10

Which dermatome covers the medial side of the upper arm?

Answer 10

T2.

Question 11

Which nerve root corresponds to the palmar surface of the index finger?

Answer 11

C7.

Question 12

Which dermatome covers the dorsal aspect of the thumb?

Answer 12

C6.

Question 13

Which dermatome is tested at the tip of the middle finger?

Answer 13

C7.

Question 14

Which dermatome covers the medial elbow?

Answer 14

T1.

Question 15

Which dermatome covers the posterior arm?

Answer 15

C7.

Question 16

Which dermatome covers the anterior upper arm?

Answer 16

C5.

Question 17

Which dermatome covers the dorsal forearm?

Answer 17

C6 and C7.

Question 18

Which dermatome covers the lateral wrist?

Answer 18

C6.

Question 19

Which dermatome covers the medial wrist?

Answer 19

C8.

Question 20

Which dermatome covers the base of the thumb?

Answer 20

C6.

Question 21

Which dermatome covers the anterior wrist?

Answer 21

C6.

Question 22

Which dermatome is tested on the palm below the pinky finger?

Answer 22

C8.

Question 23

Which dermatome covers the back of the hand?

Answer 23

C6, C7, C8.

Question 24

Which dermatome covers the lateral epicondyle?

Answer 24

C6.

Question 25

Which dermatome covers the medial epicondyle?

Answer 25

T1.

Question 26

What is a myotome?

Answer 26

A group of muscles innervated by motor fibers of a single spinal nerve.

Question 27

Which myotome controls shoulder abduction?

Answer 27

C5.

Question 28

Which myotome controls elbow flexion?

Answer 28

C5 and C6.

Question 29

Which myotome controls elbow extension?

Answer 29

C7.

Question 30

Which myotome controls wrist extension?

Answer 30

C6.

Question 31

Which myotome controls wrist flexion?

Answer 31

C7.

Question 32

Which myotome controls finger extension?

Answer 32

C7.

Question 33

Which myotome controls finger flexion?

Answer 33

C8.

Question 34

Which myotome controls finger abduction/adduction?

Answer 34

T1.

Question 35

Which myotome is responsible for thumb extension?

Answer 35

C8.

Question 36

Which myotome controls shoulder external rotation?

Answer 36

C5.

Question 37

Which myotome controls shoulder internal rotation?

Answer 37

C6.

Question 38

Which myotome controls scapular elevation?

Answer 38

C4.

Question 39

Which myotome controls scapular retraction?

Answer 39

C5.

Question 40

Which myotome controls forearm supination?

Answer 40

C6.

Question 41

Which myotome controls forearm pronation?

Answer 41

C7.

Question 42

Which myotome controls grip strength?

Answer 42

C8.

Question 43

Which myotome controls shoulder adduction?

Answer 43

C6, C7, C8.

Question 44

Which myotome controls thumb opposition?

Answer 44

C8 and T1.

Question 45

Which myotome controls finger opposition?

Answer 45

T1.

Question 46

Which myotome is tested with biceps reflex?

Answer 46

C5 and C6.

Question 47

Which myotome is tested with triceps reflex?

Answer 47

C7.

Question 48

Which myotome is tested with brachioradialis reflex?

Answer 48

C6.

Question 49

Which myotome involves shoulder protraction?

Answer 49

C5, C6, C7.

Question 50

Which myotome controls ulnar deviation of the wrist?

Answer 50

C8.

Question 51

Which dermatome covers the anterior thigh?

Answer 51

L2 and L3.

Question 52

Which dermatome covers the knee?

Answer 52

L3.

Question 53

Which dermatome covers the medial lower leg?

Answer 53

L4.

Question 54

Which dermatome covers the lateral lower leg?

Answer 54

L5.

Question 55

Which dermatome covers the big toe?

Answer 55

L5.

Question 56

Which dermatome covers the little toe?

Answer 56

S1.

Question 57

Which dermatome covers the heel?

Answer 57

S1.

Question 58

Which dermatome covers the posterior thigh?

Answer 58

S2.

Question 59

Which dermatome covers the gluteal region?

Answer 59

S3.

Question 60

Which dermatome covers the perineum?

Answer 60

S4 and S5.

Question 61

Which myotome controls hip flexion?

Answer 61

L2 and L3.

Question 62

Which myotome controls knee extension?

Answer 62

L3 and L4.

Question 63

Which myotome controls ankle dorsiflexion?

Answer 63

L4.

Question 64

Which myotome controls great toe extension?

Answer 64

L5.

Question 65

Which myotome controls ankle plantarflexion?

Answer 65

S1.

Question 66

Which myotome controls hip extension?

Answer 66

L5 and S1.

Question 67

Which myotome controls knee flexion?

Answer 67

L5 and S1.

Question 68

Which myotome controls hip adduction?

Answer 68

L2, L3, L4.

Question 69

Which myotome controls hip abduction?

Answer 69

L5 and S1.

Question 70

Which myotome is tested with the patellar reflex?

Answer 70

L4.

Question 71

Which myotome is tested with the Achilles reflex?

Answer 71

S1.