Plexuses & Nerves

Question 1

Cervical Plexus

Answer 1

Nerves that serve the neck region; Serves neck, ear, shoulders, and diaphragm.

Question 2

Phrenic nerve (C)

Answer 2

The nerve that controls the diaphragm and respiratory ventilation.

Question 3

Occipital Nerve (C)

Answer 3

Innervates posterior scalp and ear.

Question 4

Auricle Nerve (C)

Answer 4

Innervates external ear region.

Question 5

Cervical Nerve (C)

Answer 5

Innervates the neck, shoulder, arm, and hands.

Question 6

Supraclavicular Nerve (C)

Answer 6

Innervates the skin over the upper chest and shoulders.

Question 7

Brachial Plexus

Answer 7

Nerves that serve the upper limbs.

Question 8

Axillary Nerve (B)

Answer 8

Innervates the deltoid muscles.

Question 9

Ulnar Nerve (B)

Answer 9

Wrist and hand muscle control.

Question 10

Radial Nerve (B)

Answer 10

Helps move the elbow, hands, wrist, and fingers.

Question 11

Median Nerve (B)

Answer 11

Hand flexion and abduction, thumb and index finger abduction.

Question 12

Musculocutaneous Nerve (B)

Answer 12

Forearm flexion.

Question 13

Lumbar Plexus

Answer 13

Nerves that serve the thigh and abdominal wall.

Question 14

Femoral Nerve (L)

Answer 14

Innervates the thigh.

Question 15

Sacral Plexus

Answer 15

Nerves that serve the buttocks, lower limb, pelvis, and perineum,

Question 16

Sciatic Nerve (S)

Answer 16

Innervates the lower back, hip, and glutes.

Question 17

Fibular Nerve (S)

Answer 17

Innervates the fibula; Helps with foot dorsiflexion.

Question 18

Tibial Nerve (S)

Answer 18

Innervates the tibia; Helps with plantar flexion and inversion of the foot.

Question 19

Gluteal Nerve (S)

Answer 19

Innervates the gluteals; Helps with hip extension, abduction, and rotation of the thigh.