MSS Week 5

Question 1

The Sutures

A) Coronal suture
B) Squamous suture
C) Lambdoid suture

Answer 1

A) Coronal suture separates the frontal bone from the parietal bone
B) Squamous suture separates the temporal bone and the parietal bone
C) Lambdoid suture separates occipital bone and parietal bone

Question 2

Name the functions for the following facial muscles

A) Platysma 
B) Occipitofrontalis  
C) Mentalis 
D) Depressor Anguli Oris 
E) Zygomatic major and minor 
F) Risorius 
G) Buccinator 
H) Orbicularis Oris 
I) Procerus 
J) Nasalis 
K) Orbicularis Oculi

Answer 2

A) Tenses the skin of the neck and can move the limb to a certain extent.
B) Responsible for raising your eyebrows
C) For pouting or drinking
D) Pulls down the corners of the mouth
E) Used for smiling (2 muscles)
F) Used for half smiling and bilateral smiling
G) Involved in chewing
H) Controls movement of mouth and lips 
I) Angry Expression 
J) Creates flaring nose appearance
K) Opens and closes the eye

Question 3

What are the borders of the anterior triangle of the neck

Lateral Border
Superior Border
Medial Border

Answer 3

Lateral Border: Anterior Margin of Sternocleidomastoid

Superior Border: Inferior Margin of the Mandible

Medial Border: Midline of the neck

Question 4

What are the borders of the posterior triangle of the neck?

Anterior Border
Posterior Border
Base
Apically

Answer 4

Anterior Border: Posterior edge of sternocleidomastoid

Posterior Border: Anterior edge of the trapezius

Base: 1/3 of the clavicle

Apically: Occipital bone, just posterior to the mastoid process