Quiz 3

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Clinically, the most common site to obtain a venous blood sample is (the) A. pronator teres region B. median cubital vein C. basilic vein D. head of the radius E. cephalic vein

B. median cubital vein

The trigeminal nerve controls which group of muscles? A. muscles of the tongue B. muscles of mastication C. muscles of the pharynx D. muscles of facial expression

B. muscles of mastication

All extensor muscles of the upper limb are innervated by the nerve or a branch of that nerve. A. axillary B. radial C. median d. ulnar E. musculocutaneous

B. radial

All of the following occur during muscle contraction Except? A. the H band gets smaller B. sarcomere becomes wider C. the A band remains constant D. the I band begins to disappear E. the Z lines move closer together

B. sarcomere becomes wider

The smallest functional units of the muscle fibers are the A. cisternae B. sarcomeres C. fascicles D. neuromuscular synapses E. myofilaments

B. sarcomeres

The area superior to the collar bone that indents slightly is the A. infraclavicular fossa B. supraclavicular fossa C. cubital fossa D. supraspinatus fossa E. antecubital fossa

B. supraclavicular fossa

Temporalis is a muscle of facial expression, which moves the auricle of the ear. True False

False

The internal intercostal muscles aid in respiration by depressing the ribs. True False

True

All of the following achieved by the oblique muscle and/or rectus muscle Except? A. compress underlying structures B. help in expiration C. contract when lifting objects D. occurs in the neck E. rotates the vertebral column

B. help in expiration

Orbicularis oris, orbicularis oculi, and platysma are part of the group of muscles known as the muscles of A. facial expression B. the tongue C. the pharynx D. mastication E. the extra-ocular region

A. facial expression

The muscle is found in the lateral compartment of the leg. A. fibularis longus B. tibialis anterior C. tibialis posterior D. popliteus E. gastrocnemius

A. fibularis longus

The muscle that assists the pectoralis major in adducting and medially rotating the shoulder, but extends rather than flexes the joint, is the A. latissimus dorsi B. supraspinatus C. rhomboid major D. trapezius

A. latissimus dorsi

The muscles that form the rotator cuff include the A. teres minor, infraspinatus, supraspinatus, and subscapularis B. subclavius, deltoid, and pectoralis minor C. pectoralis major, pectoralis minor, and subscapularis B. biceps brachii and deltoid C. supraspinatus, infraspinatus, deltoid, and teres major

A. teres minor, infraspinatus, supraspinatus, and subscapularis

The neurotransmitter involved in the process of contraction in skeletal muscles is. A. acetylcholine B. globulin C. serotonin D. troponin E. ATP

A. acetylcholine

The layers of connective tissue surrounding a skeletal muscle from the inside to the outside in correct order are A. epimysium, perimysium, and endomysium B. endomysium, perimysium, and epimysium C. epimysium, endomysium, and perimysium D. endomysium, epimysium, and perimysium E. perimysium, epimysium, and endomysium

B. endomysium, perimysium, and epimysium

The muscle that elevates, everts, and protrudes the lower lip is the mentalis. A. No answer text provided. B. False C. True

C. True

The deltoid muscle is innervated by the nerve. A. ulnar B. median C. axillary D. musculocutaneous E. radial

C. axillary

The muscular partition that separates the abdominopelvic and thoracic cavities is the A. rectus abdominis B. masseter C. diaphragm D. perineum E. transversus abdominis

C. diaphragm

Which of the following muscles is the most powerful muscle involved in the process of chewing or manipulating food in the mouth? A. temporalis B. omohyoid C. masseter D. pterygoid

C. masseter

The cavity at the back of the knee is the A. olecranon fossa B. cubital fossa C. popliteal fossa D. gastrocnemius E. subclavian fossa

C. popliteal fossa

Which of the following muscles belongs to the group known as "hamstrings"? A. semimembranosus, biceps femoris, and gracilis B. semitendinosus and rectus femoris C. semitendinosus, semimembranosus, and biceps femoris D. biceps femoris, gracilis, and sartorius

C. semitendinosus, semimembranosus, and biceps femoris

Which of the following muscles originates at two heads? A. sternohyoid B. thyrohyoid C. sternocleidomastoid D. mylohyoid E. stylohyoid

C. sternocleidomastoid

The deep layer of muscles that constitute a muscular layer that extends between the pubic bones is called (the) A. diaphragm muscle B. urogenital triangle C. anal triangle D. urogenital diaphragm

D. urogenital diaphragm

Which of the following is true of myosin molecules? A. They make up the thin filaments. B. They have a core of nebulin. C. They interact with the thick filaments. D. They form the globular heads called cross-bridges

D. They form the globular heads called cross-bridges

The dorsalis pedis artery is palpated (at the) A. sole of the foot B. inferior to the lateral malleolus C. between the medial malleolus and the calcaneal tendon D. anteromedial surface of the foot E. posteromedial surface of the foot

D. anteromedial surface of the foot

A tendon of the muscle inserts on the radial tuberosity. A. pronator teres B. triceps brachii C. supinator D. biceps brachii E. brachialis

D. biceps brachii

The muscle that assists in mastication, and is also useful to musicians, as in playing a trumpet, is the muscle. A. orbicularis oris B. temporalis c. procerus D. buccinator E. masseter

D. buccinator

Which of the following ions is the trigger for a muscle contraction? A. ATP B. sodium C. acetylcholine D. calcium E. chloride

D. calcium

The largest muscle fiber type, which contains densely packed myofibrils, large glycogen reserves, and relatively few mitochondria, is called A. slow fibers B. intermediate fibers C. smooth fibers D. fast fibers E. cardiac fibers

D. fast fibers

Which of these orders of functional muscle structures progresses from the smallest to largest in diameter? A. fascicle, muscle fiber, myofibril, muscle B. fascicle, myofibril, muscle fiber, filament C. muscle, muscle fiber, myofibril, fascicle D. myofibril, muscle fiber, fascicle, muscle E. muscle, fascicle, muscle fiber, myofibril

D. myofibril, muscle fiber, fascicle, muscle

Smooth muscles are primarily used to A. provides voluntary movements to the body B. pump blood through the circulation C. pull on bones of the skeleton D. push fluid and solids along the digestive tract E. generate heat

D. push fluid and solids along the digestive tract

The diamond-shaped muscle originates on the middle of the neck and back, and inserts on the clavicles and scapular spines, covering the upper back and extending to the base of the skull. A. levator scapulae B. latissimus dorsi C. rhomboid major D. trapezius E. serratus posterior

D. trapezius

The structure of each myosin molecule includes all of the following Except? A. a free globular head B. a double myosin strand C. an attached elongated tail D. tropomyosin molecule at its tail

D. tropomyosin molecule at its tail

The portion of a sarcomere that contains the thick filaments and the zone of overlap is the A. H band B. I band C. Z line D. M line E. A band

E. A band

The superior edge of the sternum, which can be palpated, is the A. linea alba B. costal cartilage C. body of the sternum D. xiphoid process E. manubrium

E. manubrium

The most medial structure of the ankle and foot is the A. tendon of the tibialis anterior muscle B. tendon of extensor hallucis longus muscle C. tendon of tibialis posterior musc D. base of the first metatarsal E. medial malleolus

E. medial malleolus

The muscle is divided longitudinally by a median collagenous partition called the linea alba. A. external oblique B. transversus abdominis C. internal oblique D. diaphragm E. rectus abdominis

E. rectus abdominis

Knee extensors, known as the quadriceps femoris, include the A. hamstrings and adductors B. biceps femoris, gracilis, and sartorius muscles C. gastrocnemius, tibialis, and fibularis muscles D. popliteus, iliopsoas, and gracilis muscles E. three vastus muscles and the rectus femoris muscle

E. three vastus muscles and the rectus femoris muscle

A muscle that elevates the corner of the mouth and draws it laterally is the ________ muscle. A. depressor anguli oris B. risorius C. levator anguli oris D. orbicularis oris E. zygomaticus major

No B

The site for palpation of the posterior tibial artery is located inferomedial to the A. tendon of tibialis posterior b. calcaneal tendon C. base of fifth metatarsal bone D. medial malleolus of the tibia E. lateral malleolus of the tibia

Not B


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