검증된 단계별 안내
2:00
2:00 2:00Mr. Bell presents with the inability to move certain muscles on one side of his face. You ask him to make various facial expressions and find that on his right side he is unable to purse his lips, pull in his cheeks, elevate his upper lip, and smirk. What muscles is Mr. Bell unable to contract?
Which of the erector spinae muscles is most lateral to the vertebral column?
a. Spinalis muscle
b. Iliocostalis muscle
c. Semispinalis muscle
d. Longissimus muscle
Match the muscle with its main action:
_____Sternocleidomastoid muscle
_____Transversus abdominis muscle
_____Internal oblique muscle
_____Rectus abdominis muscle
_____Splenius capitis muscle
_____Quadratus lumborum muscle.
a. Laterally flexes the trunk
b. Flexes the trunk
c. Compresses the abdominal cavity
d. Extends the vertebral column
e. Flexes the head
f. Extends the head
Mark the following statements as true or false. If the statement is false, correct it to make a true statement.
The pectoralis major and coracobrachialis muscles are antagonists.
Which of the following is not a muscle of the rotator cuff?
a. Teres major muscle
b. Teres minor muscle
c. Subscapularis muscle
d. Infraspinatus muscle
e. Supraspinatus muscle
The thick, bandlike muscle of mastication that covers much of the ramus of the mandible is the:
a. masseter muscle.
b. temporalis muscle.
c. lateral pterygoid muscle.
d. risorius muscle.
