Chapter 10 Part B

Which of the following is NOT a member of the hamstrings? A- biceps femoris B- semimembranosus C- semitendinosus D- gracilis

A nursing infant develops a powerful sucking muscle that adults also use for whistling. What is this muscle called? A- platysma B- zygomaticus C- masseter D- buccinator

The sternocleidomastoid muscle inserts on the ________. A- mastoid process of the temporal bone B- platysma C- sternum D- clavicle

In general, a muscle that crosses on the anterior side of a joint produces ________. A- flexion B- adduction C- extension D- abduction

Which of these is NOT a way of classifying muscles? A- the type of muscle fibers B- muscle shape C- muscle location D- the type of action they cause

Which of the following muscles is NOT a member of the hamstrings group? A- vastus intermedius B- semitendinosus C- semimembranosus D- biceps femoris

Which of the following best describes the orbicularis oris? A- It draws the eyebrows together. B- It pulls the lower lip down and back. C- It closes the eye. D- It closes, purses, and protrudes the lips.

Which muscle group is involved when a "pulled groin" occurs? A- thigh adductors B- quadriceps C- lateral rotators D- hamstrings

What are the levers that operate at a mechanical advantage called? A- functional levers B- speed levers C- power levers D- dysfunctional levers

Tennis players often complain about pain in the arm (forearm) that swings the racquet. What muscle is usually strained under these conditions? A- the anconeus B- the triceps brachii C- the flexor digitorum profundus D- the brachioradialis

Which muscle(s) is (are) contracted to exhale forcibly? A- external intercostals and diaphragm B- internal intercostals and rectus abdominus C- diaphragm alone D- rectus abdominis and diaphragm

Paralysis of which of the following would make an individual unable to flex the thigh? A- biceps femoris B- vastus medialis C- iliopsoas and rectus femoris D- soleus

First-class levers ________. A- are typified by tweezers or forceps B- are used when standing on tip-toe C- in the body can operate at a mechanical advantage or mechanical disadvantage, depending on specific location D- have load at one end of the lever, fulcrum at the other, and effort applied somewhere in the middle

What do the genioglossus, hyoglossus, and styloglossus muscles have in common? A- All act on the tongue. B- All names reflect direction of muscle fibers. C- All names indicate the relative size of the muscle. D- Each acts synergistically to elevate the jaw.

If L = load, F = fulcrum, and E = effort, what type of lever system is described as LEF? A- third-class lever B- fourth-class lever C- first-class lever D- second-class lever

Which of the following muscles is a flexor of the thigh? A- adductor magnus B- gluteus maximus C- tibialis posterior D- vastus lateralis

Which of the following muscles is involved in inversion at the ankle joint? A- extensor digitorum longus B- tibialis anterior C- fibularis (peroneus) tertius D- fibularis (peroneus) longus

Which of the following muscles serves as a common intramuscular injection site, particularly in infants as the buttocks and arm muscles are poorly developed? A- the vastus lateralis B- the vastus intermedius C- the vastus medialis D- rectus femoris

Paralysis of which of the following muscles would make an individual unable to flex the knee? A- gluteal muscles B- hamstring muscles C- brachioradialis D- soleus

Which of the following muscles does NOT act in plantar flexion? A- gastrocnemius and soleus B- tibialis posterior C- flexor digitorum longus D- popliteus

________ is a powerful forearm extensor. A- Brachialis B- Brachioradialis C- Triceps brachii D- Biceps brachii

The ________ is known as the "boxer's muscle." A- biceps brachii B- flexor digitorum longus C- rectus abdominis D- serratus anterior

The ________ runs deep to the internal oblique. A- rectus abdominis B- latissimus dorsi C- external oblique D- transversus abdominis

The ________ helps keep food between the grinding surfaces of the teeth during chewing. A- risorius B- orbicularis oris C- buccinator D- mentalis

The ________ tightens the neck and draws the corners of the mouth downward as in expressing horror. A- mentalis B- platysma C- sternocleidomastoid D- sternohyoid

The ________ is the main chewing muscle. A- buccinator B- masseter C- hyoglossus D- lateral pterygoid

The abnormal protrusion of the small intestine through a weak point in the muscle of the abdominal wall is called a ________. A- sprain B- pulled muscle C- hernia D- hyperextension

The quadriceps femoris is composed of three "vastus" muscles and the ________. A- semitendinosus B- rectus femoris C- semimembranosus D- biceps femoris

The ________ is a synergist of the latissimus dorsi; it extends, medially rotates, and adducts the humerus. A- teres minor B- supraspinatus C- infraspinatus D- teres major

The ________ extends the great toe. A- fibularis (peroneous) tertius B- gastrocneumius C- tibialis anterior D- extensor hallucis longus