Chapter 5 Neck power point

Question 1

Organs of the neck

Answer 1

Pharynx

Larynx

Esophagus &

Trachea

Salivary Glands

Thyroid Gland

Lymph nodes

Question 2

Parts of PHARYNX

Answer 2

NASOPHARYNX

OROPHARYNX

LARYNGOPHARYNX

Question 3

Parts of Larynx

Answer 3

Boney skeleton

9 cartilages

Voice box

Question 4

LARYNX CARTILAGES

Answer 4

Thyroid(1)–biggest part, adams apple

Epiglottis(1)–tear shaped, opens/closes, attach to thyroid

Arytenoids(2)–small, horn shaped

Corniculate(2)–small, horned shaped

Cuneiform(2)

Cricoid(1)–ring around larynx, bigger in back

Question 5

LARYNX INNER STRUCTURES

Answer 5

•Vestibular folds (false vocal cords) •

True vocal cords–abduct(open)/adduct(closed)

Glottis–sound production

Aryepiglottic folds–contain cuneiform

Question 6

ESOPHAGUS

Answer 6

between trachea and anterior longitudinal ligament

expands/contracts to swallow

Question 7

TRACHEA

Answer 7

C-shaped cartilages bifurcates at carina

Question 8

GLANDS OF THE NECK

Answer 8

Salivary

Thyroid

Parathyroid

Question 9

Glands of Salivary

Answer 9

a. Parotid–biggest gland, on side of mandible by ear
b. Submandibular–under mandible
c. Sublingual–under tongue

Question 10

THYROID

Answer 10

Endocrine gland @level of cricoid cartilage

excretes hormones for growth

2 of them

Question 11

PARATHYROID

Answer 11

located on the posterior surface of the thyroid

4 of them

Question 12

LYMPH NODES

Answer 12

One third of the body’s total lymph system

behind sternocleidomastoid muscle, lower border of jaw up to ears

filter bad pathogens

Question 13

MUSCLES OF PHARYNGEAL

Answer 13

a. Constrictor muscles–swallowing
b. Longitudinal (internal) muscles–elevate pharynx and larynx
c. Tongue (extrinsic) muscles

Question 14

LARYNGEAL(muscle of neck)

Answer 14

Control position and tension of vocal folds and divided into 2 groups:

1. acting on false vocal cords,
2. acting on true vocal

Question 15

Constrictor muscles

Answer 15

constrict pharynx and induce peristaltic waves during swallowing.

Question 16

Longitudinal (internal) muscles

Answer 16

elevate larynx and pharynx during swallowing and speaking.

Question 17

Tongue (extrinsic) muscles

Answer 17

change the position of the tongue.

Question 18

MUSCLES OF THE ANTERIOR TRIANGLE

Answer 18

Everything anteromedial to the sternocleidmastoid.

a. hyoid bone
b. Suprahyoid muscle
c. Infrahyoid muscle

Question 19

MUSCLES OF THE POSTERIOR TRIANGLE

Answer 19

Everything posterior of the Sternocleidomastoid Muscle

a. Trapezius Muscle–elevates scapula
b. Splenium Capitus Muscle–spine to head
c. Levator Scapulae Muscle
d. Scalene Muscle Group–elevates ribs

Question 20

VASCULAR STRUCTURES OF THE NECK

Answer 20

Carotid arteries

VERTEBRAL ARTERIES

JUGULAR VEINS

VERTEBRAL VEINS

Question 21

Carotid arteries

Answer 21

1. Right common carotid
2. Left common carotid
3. Internal carotid–becomes part of circle of willis
4. External carotid

Question 22

Jugular Veins

Answer 22

Internal Jugular veins–dural sinuses drain to it

External Jugular veins

Anterior Jugular veins

Question 23

VERTEBRAL VEINS

Answer 23

1. Descend with in the transverse foramina of the cervical vertebra along with the Vertebral Arteries
2. Drain the cervical spinal cord and posterior surface of the skull

Question 24

Extends from clivus to soft palate

contains uvula

Answer 24

NASOPHARYNX

Question 25

Extends from soft palate to hyoid bone

contains valleculae(pouch where food gets stuck)

Answer 25

OROPHARYNX

Question 26

Lies between the Hyoid bone and the entrance to the Larynx

contains piriform sinuses

Answer 26

LARYNGOPHARYNX

Question 27

Form basilar artery, basilar artery becomes posterior cerebral, begins as branch of subclavian and comes through foraman magnum

Answer 27

vertebral ateries

Question 28

from mastoid down to sternum, separates triangles, flex head and side-to-side

Answer 28

sternocleidomastoid muscle (SCM)