Spinal nerves

Question 1

Dorsal roots of contain sensory/motor fibres

Answer 1

Dorsal roots of contain sensory fibres

Question 2

Ventral roots contain ______ fibres

Answer 2

Ventral roots contain motor fibres

Question 3

What fibres are found in the spinal nerves?

Answer 3

Motor and sensory

Question 4

What fibres run in the posterior rami if spinal nerves?

Answer 4

sensory and motor

Question 5

What fibres run in the anterior rami of spinal nerves?

Answer 5

sensory and motor

Question 6

What nerve supplies the badge patch area of the upper arm?

Answer 6

Axillary nerve( C5,6)

Question 7

The lateral forearm is innervated by the _____ nerve anteriorly and ______ nerve posteriorly

Answer 7

The lateral forearm is innervated by the musculocutaneous nerve (cutaneous branch) and radial nerve posteriorly.

Question 8

The medial arm and forearm are supplied by the ______ anterior rami - these refer pain from the heart.

Answer 8

The medial arm and forearm are supplied by the T1 and T2 anterior rami - these refer pain from the heart.

Question 9

Anterior thigh is supplied by what named nerve?

Answer 9

Femoral nerve

Question 10

Lateral thigh is supplied by the ________

Answer 10

lateral cutaneous nerve of the thigh

Question 11

______ nerve innervates the medial aspect of the thigh

Answer 11

Obturator nerve innervates the medial aspect of the thigh

Question 12

_____ nerve supplies the lateral aspect of the leg

Answer 12

Saphenous nerve supplies the lateral aspect of the leg

Question 13

Dorsum of the foot is supplied by the _____ _____ nerve

Answer 13

Dorsum of the foot is supplied by the superficial fibular nerve

Question 14

Plantar surface of the foot is supplied by the _____ nerve

Answer 14

Plantar surface of the foot is supplied by the tibial nerve

Question 15

What is the named nerve supplying the posterior thigh?

Answer 15

Posterior cutaneous nerve of thigh

Question 16

Where do primary motor neurons cross over?

Answer 16

In the medulla

Question 17

The deltoid muscle, responsible for shoulder flexion, is supplied by the __ spinal nerve

Answer 17

C5

Question 18

Biceps brachii flexes the elbow. It is innervated by __ myotome

Answer 18

C5

Question 19

__ is the elbow extension/triceps myotome

Answer 19

C7

Question 20

Finger flexion (by flexor digitorum superficialis) is supplied by the __ myotome

Answer 20

C8

Question 21

dorsal interossei abduct the fingers. The myotome is __

Answer 21

T1

Question 22

What myotome and muscle is tested by knee extension?

Answer 22

L3, quadriceps femoris

Question 23

What myotome does ankle dorsiflexion test?

Answer 23

L4, tibialis anterior

Question 24

Extension of the great toe tests what myotome?

Answer 24

L5, extensor hallucis longus

Question 25

What myotome is tested by ankle plantarflexion?

Answer 25

S1, gastrocnemius

Question 26

What myotome is tested by knee flexion?

Answer 26

S2, biceps femoris