Muscular System Quiz - Chapter 10

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Severing of the patellar tendon would inactivate the hamstring group. T/F

False

Skeletal muscles work alone. T/F

False

Which of the following describes the action of the serrates anterior? - adducts the arm - adducts and flexes the humerus - protracts the shoulder, and rotates the scapular for abduction and flexion of arm - medial rotation of the humerus - lateral rotation of the humerus

protracts the shoulder, and rotates the scapula for abduction and flexion of arm

Which of the following is NOT a muscle of the hamstring group? biceps femoris quadriceps femoris semimembranosus

quadriceps femoris

The muscle that inserts on the superior surface of the pubis around the symphysis is the

rectus abdominis

Figure 11-1 Major Anterior Skeletal Muscles: Identify the muscle labeled "25."

sartorius

Figure 11-1 Major Anterior Skeletal Muscles: Identify the muscle labeled "16."

serrates anterior

The mentalist muscle inserts on the

skin of the chin

Tom is having difficulty plantar flexing and inverting his right foot. Which muscle is most likely involved in this problem?

soleus

The preferred site for intramuscular (IM) injections in infants and children is the

vastus lateralis

Figure 10.3 Levator scapulae

A

Figure 10.2 May extend and laterally rotate the arm.

B

Figure 10.3 Depresses scapula.

B

Figure 10.2 Pectorales minor.

C

Figure 10.3 Teres major muscle.

D

Figure 10.3 The latissimus dorsi.

E

Muscles are only able to pull, they NEVER push. T/F

True

Damage to the pectoralis major would interfere with a person's ability to

adduct the humerus

Figure 11-2 Major Posterior Skeletal Muscles: Identify the muscle labeled "19."

adductor magnus

Muscle that is primarily responsible for bringing about a particular movement.

agonist

Muscle that opposes and reverses the action of another muscle.

antagonist

Each of the following terms is a descriptive term for a muscle's action, EXCEPT levator pronator tensor buccinator adductor

buccinator

Muscles ending in the suffix -costal would be found in the

chest

A muscle that inserts on the body of the mandible is probably involved in

chewing

Which of the following does NOT move the shoulder girdle? pectoralis major deltoid rhomboideus serratus anterior trapezius

deltoid

If you bruised your gluteus maximus, you would expect to experience discomfort when

extending your leg

Muscle that stabilizes the origin of another muscle.

fixator

Jill suffers a severe cut that serves the tendon that attaches the insertion of the flexor carpi ulnas. As a result of this injury, what action is difficult for her to perform?

flex and adduct her palm

Figure 11-2 Major Posterior Skeletal Muscles: Identify the muscle labeled "12."

gastrocnemius

Figure 11-2 Major Posterior Skeletal Muscles: Identify the muscle labeled "6."

latissimus dorsi

The ______ muscle is the strongest jaw muscle.

masseter

Which of the following is NOT a muscle of facial expression? buccinator depressor labi zygomaticus masseter mentalis

masseter

Pam's daughter is born with crossed eyes. As she grows, the problem does not become any better and, in fact, gets worse. Her physician suggests cutting an eye muscle to bring the eyes into a more normal position. Which muscle would you suggest he cut to achieve this end?

medial rectus

The _____ covers the anterior surface of the neck. buccinator epicranium occipitofrontalis orbicularis oris none of these

none of these

Muscular walls of the the thorax and abdomen are composed of

oblique and rectus muscles

Figure 11-2 Major Posterior Skeletal Muscles: Identify the muscle labeled "14."

occipitalis

The "kissing muscle" that purses the lips is the

orbicularis oris

The muscle that adducts and stabilizes the scapula and works with the motion of pulling something towards you.

pectoralis minor

Figure 11-1 Major Anterior Skeletal Muscles: Identify the muscle labeled "9."

rectus femoris

A muscle that assists the muscle that is primarily responsible for a given action is a(n)

synergist

Muscle that aids another by promoting the same movement.

synergist

When the term biceps, triceps, or quadriceps forms part of a muscle's name, you can assume that ____.

the muscle has two, three, or four origins, respectively

A general rule about the difference between an origin and an insertion is

the origin remains stationary while the insertion moves

The muscle that opposes the gastrocnemius is the

tibialis anterior


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