Brachial Plexus

Question 1

What part of a neuron that contains nucleus, and most of metabolic machinery of the cell

Answer 1

Cell body

Question 2

Long side of plasmic process of cell body. Most of signal is sent along axons. (often called the “nerve fiber”)

Answer 2

Axon

Question 3

Shorter side of plasmic process of the cell body. Often receive signals from the axon across.

Answer 3

dendrite

Question 4

Bundle collection of neuronal axons running parallel to one another

Answer 4

nerve

Question 5

Shorter side of plasmic process of the cell body often receiv the junction between adjacent neurons

Answer 5

Synapse

Question 6

A concentration of nerve cell bodies

Answer 6

Ganglion

Question 7

The cranial concentration of CNS neurons acting in higher function (in vertebrates) and protected by the cranium

Answer 7

Brain

Question 8

What is the center piece known as

Answer 8

central canal

Question 9

Rhomboid major and minor

Answer 9

Dorsal Scapular nerve

Question 10

______________: Extends, adducts and medially rotates humerus

Answer 10

Latissimus Dorsi

Question 11

_____________: is large, fan-shaped muscle opposing it ventrally

Answer 11

Pectoralis

Question 12

Serratus Anterior

Answer 12

Long thoracic nerve

Question 13

Pectoralis Major

Answer 13

Medial and Lateral Pectoral nerves

Question 14

Pectoralis Minor

Answer 14

Medial Pectoral nerve

Question 15

Levator Scapulae

Answer 15

Dorsal Scapular nerve, Ventral Rami C3-4

Question 16

Supraspinatus

Answer 16

Suprascapular nerve

Question 17

Latissimus Dorsi

Answer 17

Thoracodorsal Nerve

Question 17

Teres Major

Answer 17

Lower sub scapular; little dorsal scapular

Question 18

Infraspinatus

Answer 18

Suprascapular nerve

Question 19

Teres Minor

Answer 19

Axillary Nerve

Question 20

Subscapularis

Answer 20

Medially rotates humerus
upper and lower subscapular nerve

Question 21

What muscle attach to the rotator cuff

Answer 21

• Supraspinatus
• Infraspinatus
• Teres Minor
• Subscapularis
• Long head of biceps brachia
• Short head of biceps brachia

Question 22

Biceps Brachii

Answer 22

Musculocutaneous nerve C5-6

Question 23

Dorsal division nerves - Axillary innervate which muscles?

Answer 23

Deltoid, teres minor muscles

Question 24

Radial nerve innervates

Answer 24

• The radio nerve incorporates segments C5 to T1
• triceps all heads, all extensions of forearm in hand

Question 25

Ventral, division, nerves - músculocutaneous nerves

Answer 25

Innervates biceps brachii, coracobrachialis, brachialis mm.

Question 25

Ventral, division, nerves - median nerve

Answer 25

Median nerve incorporates segments C5 to T1
Innervates most forearm flexors, including pronator terrace thumb thenar muscles, and 2 lumbricals

Question 26

Ventral, division, nerves - ulnar nerve nerve

Answer 26

Older nerve incorporate segments C8-T1
Innervates Flexor Carpi ulna’s muscle in arm,

All palmar hand muscles except thenar thumb muscles