A & P Ch 6 Skeletal Muscles Quiz

Which of the following muscles closes the jaw?

• buccinator

• zygomaticus

• frontalis

• sternocleidomastoid

• both masseter and temporalis

The prime mover of arm abduction is the _________ muscle.

• trapezius

• deltoid

• latissimus dorsi

• quadratus lumborum

Which muscle helps compress the abdominal contents during defecation or childbirth?

• internal intercostals

• deltoids

• trapezius

• iliopsoas

• rectus abdominis

What muscle is an antagonist to gastrocnemius?

• sartorius

• tibialis anterior

• fibularis brevis

• fibularis longus

• soleus

Which muscle group includes the biceps femoris, semimembranosus and semitendinosus?

• abdominal muscles

• quadriceps group

• adductor group

• fibularis muscles

• hamstring group

Paralysis of which of the following would make an individual unable to flex the hip __________.

• biceps femoris

• gastrocnemius

• tibialis anterior

• soleus

• iliopsoas

What is the origin of the deltoid muscle?

• scapular spine and clavicle

• proximal radius

• distal humerus

• olecranon process of ulna

• proximal humerus

The deltoid is a prime mover of arm adduction.

• True

• False

The muscle that closes each eye is the ________.

• orbicularis oris

• frontalis

• orbicularis oculi

• zygomaticus

Sandra is playing the piano for her recital. Which muscle is NOT involved in the movement of hand and/or fingers _____________.

• flexor carpi radialis

• extensor digitorum longus

• flexor carpi ulnaris

• extensor digitorum

• extensor carpi radialis