Chapter 8 Neck

Question 0

The SCM visibly divides each side of the neck into?

Answer 0

anterior and laterally cervical regions

Question 1

The neck is divide into what regions?

Answer 1

SCM, Posterior cervical,lateral cervical ,anterior cervical regions

Question 2

The SCM has how many heads?

Answer 2

It has two heads

Sternal head and clavicular head

Question 3

The SCM heads are divided by?

Answer 3

Lesser supraclavicular fossa

Question 4

The floor of the posterior cervical region is formed by?

Answer 4

Splenius capitis, levatore scapulae, posterior and middle scalene

Question 5

The anterior portion of the posterior cervical triangle?

Answer 5

Posterior side of SCM

Question 6

Posterior border of posterior cervical triangle?

Answer 6

Anterior border of Trapezius

Question 7

Inferior portion of Posterior cervical triangle?

Answer 7

Clavicle ( between SCM And Traps)

Question 8

Superior portion of posterior cervical triangle?

Answer 8

The junction of traps and SCM

Question 9

The roof of the posterior cervical triangle?

Answer 9

Platymsa and investing layer of deep fascia

Question 10

Superior attachment of SCM?

Answer 10

Lateral mastoid process of temporal bone

Lateral half superior nuchal line

Question 11

Inferior attachment of SCM?

Answer 11

Clavicular- superior medial surface of third clavicle

Sternum- anterior surface of manubrium of sternum

Question 12

Innervation of SCM?

Answer 12

Accessory nerve CN XI

Sensory C2 C3

Question 13

Actions of SCM?

Answer 13

Unilateral contraction: tilts head and rotates it
Bilaterally:
extends neck at Atlanto-occipital
Flexes cervical vertebrae so that chin approaches manubrium
Extends superior cervical vertebrae while flexing inferior

Question 14

Origin of scalene anterior?

Answer 14

Anterior tubercles of of transverse processes of C3-C6

Question 15

Insertion of anterior Scalene?

Answer 15

1st rib

Question 16

Innervation of Anterior scalene

Answer 16

Cervical spinal nerves C4-C6

Question 17

origin of middle scalene?

Answer 17

Posterior tubercles of transverse processes C4-C7

Question 18

Insertion of Middle Scalene?

Answer 18

Superior surface of first rib

Question 19

Innervation of middle Scalene?

Answer 19

Anterior rami of cervical spinal nerve

Question 20

Main action of anterior and middle scalene?

Answer 20

Flexes neck laterally

Elevates 1st rib during forced respiration

Question 21

Origin of posterior scalene?

Answer 21

Posterior tubercles of transverse process of C4-C6

Question 22

Insertion of posterior scalene?

Answer 22

External border of second rib

Question 23

Innervation of posterior scalene?

Answer 23

Anterior rami of cervical spinal nerve C7 and C8

Question 24

Action of posterior scalene

Answer 24

Flexes neck laterally | Elevates 2nd rib during forceful respiration

Question 25

Spinal accessory nerve passes through

Answer 25

Deep into SCM Into the fascisa over levator scapulae Penetrates trapezius

Question 26

What does the root of Brachial Plexus (C5-C8 and T1)

Answer 26

Anterior and middle scalene

Question 27

The brachial plexus provides Innervation too

Answer 27

All the upper limbs

Question 28

Supra scapular nerve arise from?

Answer 28

brachial plexuses

Question 29

Cervical plexus C1-C4 breaks into what

Answer 29

Cutaneous branch and phrenic nerve

Question 30

What nerve point of your neck?

Answer 30

Cutaneous branch around SCM

Question 31

Lesser occipital nerve C2 supplies

Answer 31

The skin of the neck | Scalp posterior superior to the auricle

Question 32

Great auricular nerve C2-c3 supplies

Answer 32

Skin posterior of auricle and area of the mandible to the mastoid

Question 33

Transverse cervical nerve C2 and C3 supplies

Answer 33

Anterior cervical region

Question 34

Supraclavicular nerve C3 C4 supplies

Answer 34

The skin of shoulder

Question 35

Phrenic nerve C4 supplies

Answer 35

Diaphragm

Question 36

What drains into the external jugular.

Answer 36

Suprascapular Anterior jugular Cervical dorsal

Question 37

Where the external jugular end

Answer 37

Subclavian vein

Question 38

The brachiocephalic is made from the

Answer 38

Internal jugular vein and subclavian vein

Question 39

Suprascapular artery arises from

Answer 39

Cervicodorsal artery trunk

Question 40

Cervical dorsal trunk ( transverse cervical artery) | Comes from

Answer 40

Thyrocervical artery

Question 41

Occipital artery supplies

Answer 41

Posterior half of scalp