Anatomy Exam 2

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Movement of a body part toward the main axis of the body is called ... a. abduction b. flexion c. inversion d. retraction e. adduction

e. adduction

Crural muscles are those that move the a. vertebral column b. hip c. thigh d. lower leg e. ankle, foot, and toes

e. ankle, foot, and toes

Which bone is the "heel" bone? a. talus b. medial malleolus c. cuboid d. hamate e. calcaneus

e. calcaneus

Which of the following line the ventricles of the brain? a. schwann cells b. satellite cells c. astrocytes d. oligodendrocytes e. ependymal cells

e. ependymal cells

Which of the following muscles everts the foot? a. tibialis posterior b. tibialis anterior c. soleus d. gastrocnemius e. fibularis longus

e. fibularis longus

The muscle responsible for sticking out the tongue is... a. hyoglossus b. palatoglossus c. styloglossus d. hypoglossus e. genioglossus

e. genioglossus

Which muscles is the prime mover for sticking your tongue out? a. buccinator b. mentalis c. hyoglossus d. masseter e. genioglossus

e. genioglossus

The ____________ of the scapula is the point where the medial and lateral borders meet. a. lateral angle b. superior angle c.supraglenoid tubercle d. infraglenoid tubercle e. inferior angle

e. inferior angle

The ____________ of the scapula is the point where the medial and lateral borders meet. a. lateral angle b. superior angle c. supraglenoid tubercle d. inraglenoid tubercle e. inferior angle

e. inferior angle

A nerve ... a. contains a single axon b. is found only in the CNS c. carries only sensory information d. carries information only toward the PNS e. is a cablelike bundle of parallel axons

e. is a cablelike bundle of parallel axons

In anatomic position, the radius lies ______ to the ulna. a. posterior b. medial c. superior d. inferior e. lateral

e. lateral

The _______ is a narrow, elongated muscle that is deep to both the trapezius and sternocleidomastoid muscles. It originates from multiple heads on the transverse processes of the cervical vertebrae and inserts on the superior angle of the scapula. a. serratus anterior b. rhomboid minor c. rhomboid major d. subclavius e. levator scapulae

e. levator scapulae

The glial cells that myelinates and insulates axons within the CNS is the a. astrocytes b. ependymal cell c. neurolemmocyte d. microglial cell e. oligodendrocyte

e. oligodendrocyte

Myeling sheaths in the CNS are formed by which of the following cells? a. microglia b. ependymal cells c. schwann cells d. astrocytes e. oligodendrocytes

e. oligodendrocytes

Another name for the hip bone is ... a. tibia b. scapula c. humerus d. ulna e. os coxae

e. os coxae

What action occurs at the ankle joint when a person stands on tiptoes to reach for something on high shelf? a. eversion b. abduction c. opposition d. dorsiflexion e. plantar flexion

e. plantar flexion

The muscle that causes the look of fear by tensing the skin of the neck is the a. buccinator b. orbilularis oris c.zygomaticus major d. orbicularis oculi e. platysma

e. platysma

The afferent division of the nervous system is also known as the ________ division. a. motor b. cranial c. ganglial d. efferent e. sensory

e. sensory

The interosseous membrane between the radius and the ulna is an example of a ... a. synchondrosis b. suture c. synostosis d. synarthrosis e. syndesmosis

e. syndesmosis

Which muscle does NOT adduct the thigh? a. adductor longus b. adductor brevis c. gracilis d. pectineus e. tensor fasciae latae

e. tensor fasciae latae

The glenoid cavity is a point of articulation between ... a. the femur & tibia b. the os coxae & femur c. the humerus & ulna d. the humerus & radius e. the scapula & humerus

e. the scapula & humerus

Which muscle extends the elbow? a. pronator teres b. extensor carpi radialis longus c. biceps brachii d. brachialis e. triceps brachii

e. triceps brachii

Which is a correct listing of the hierarchy of a skeletal muscle's components, beginning with the smallest. a: myofibrils b: muscles fiber c.: fascicle d: skeletal muscle A. a,b,c,d B. a,c,b,d C. d,c,b,a D. c,b,a,d E. b,c,a,d

A. a,b,c,d

Which is a correct listing of the hierarchy of a skeletal muscle's components, beginning with the smallest? a: myofibrils b: muscle fiber c: fascicle d: skeletal muscle A. a,b,c,d B. a,c,b,d C. d,c,b,a D. c,b,a,d E. b,c,a,d

A. a,b,c,d

True or False Cranial nerves are part of the CNS A. T B. F

B. F

The joints in the body that are the most mobile, such as the glenohumeral joint or coxal joint, are also the most stable. A. T B. F

B. False

True or False The pectoralis major extends the arm while the latissimus dorsi flexes it. a. T b. F

B. false

A pollex has ____________ phalanges. a. 2 b. 3 c. 14 d. 10 e. 7

a. 2

Which letter is associated with the light and contains thin filaments only? a. I b. A c. M d. Z e. H

a. I

Which letter is associated with the light band and contains thin filaments only? a. I b. A c. M d. Z e. H

a. I

Muscles that move the pectoral girdle and upper limbs are organized into specific groups. Select the exception. a. Muscles that move the pelvic girdle b. Muscles that move the glenohumeral joint/arm c. Arm and forearm muscles that move the elbow joint/forearm d. Forearm muscles that move the wrist joint, hand, and fingers e. Intrinsic muscles of the hand

a. Muscles that move the pelvic girdle

The hyaline costal cartilage that attaches the first rib to the sternum forms ... a. a synchondrosis b. a symphysis c. a synarthrosis d. a syndesmosis e. a synostosis

a. a synchondrosis

Hyperextension of the knee is prevented partially by the ... a. anterior cruciate ligament b. the patellar tendon c. the patellar ligament d. the calcaneal tendon e. the collateral ligaments

a. anterior cruciate ligament

Which of the following muscles supinates the forearm? a. biceps brachii b. pronator quadratus c. brachialis d. crachioradialis e. adductor magnus

a. biceps brachii

Which is NOT characteristic of neurons? a. high mitotic rate b. high metabolic rate c. require continuous supplies of glucose and oxygen d. extreme longevity e. no exceptions; all of these are characteristics of neurons

a. high mitotic rate

When you rest your hands on your hips, just below the waist, you are resting them on the .... a. iliac crests b. superior gluteal lines c. ischial spines d. ischial tuberosities e. arcuate lines

a. iliac crests

What structure bears the most weight when we sit? a. ischial tuberosity b. pubic symphysis c. iliac crest d. obturator foramen e. ischial spine

a. ischial tuberosity

Which are NOT considered to be features of a synovial joint? a. muscles b. nerves c. blood vessels d. articular cartilage e. synovial fluid

a. muscles

Which protein makes up the think filaments? a. myosin b. actin c. tropomyosin d. troponin e. myopathy

a. myosin

Which muscle is NOT part of the suprahyiod group of hyoid muscles? a. omohyoid b. digastric c. geniohyoid d. mylohyoid e. stylohyoid

a. omohyoid

The function of the retinaculum is to a. prevent tendons from bulging outward b. hold several muscles together c. protect underlying soft tissue d. serve as an insertion for a group of muscles e. flatten the bellies of converging muscles

a. prevent tendons from bulging outward

The superficial layer of the urogenital triangle contains three muscles. Select the exception. a. puborectalis b. bulbospongiosus c. ischiocavernosus d. superficial transverse perineal

a. puborectalis

The most medial of the abdominal muscles are the ________________ muscles. a. rectus abdominis b. transversus abdominis c. internal oblique d. external oblique e. tendinous intersections

a. rectus abdominis

Which is not par of the appendicular skeleton? a. sacrum b. scapula c. os coxae d. patella e. clavicle

a. sacrum

Which glial cell protects neuron cell bodies located within ganglia? a. satellite cell b. ependymal cell c. neurolemmocyte d. astrocyte e. oligondendrocyte

a. satellite cell

Which of the following is TRUE of joints that are first-class levers? a. the fulcrum is in the middle b. their mechanical advantage is always less than 1.0 c. the output force is always greater than the input force d. their resistance is between the fulcrum and the distal end of the bone e. the fulcrum is at the opposite end from the tendinous attachment

a. the fulcrum is in the middle

The glossy white appearance of most axons is due to a. the high lipid content of the myelin sheath b. their proximity to light reflecting cartilage c. their proximity to white bone d. the white color of the perivascular feet e. the covering of ependymal cells

a. the high lipid content of the myelin sheath

What bone(s) bears weight in the leg? a. tibia b. femur c. tibia & fibula d. femur e. calcaneus

a. tibia

The primary dorsiflexor of the foot at the ankle is the ... a. tibialis anterior b. extensor hallucis longus c. fibularis brevis d. extensor digitorum longus e. gracilis

a. tibialis anterior

Which of the following bones is in the distal row of four carpal bones? a. trapezoid b. scaphoid c. lunate d. triqutrum e. pisiform

a. trapezoid

What 2 bones have a styloid process? a. ulna & radius b. tibia & femur c. humerus & scapula d. radius & humerous e. ilium & ischium

a. ulna & radius

As the diaphragm contracts, the vertical dimensions of the thoracic cavity are decreased. a. True b. False

b. False

Which of the following is NOT true of the pubis? a. it encircles part of the obturator foramen. b. It forms part of the sciatic notch. c. it has a superior ramus. d. it forms part of the acetabulum e. it forms the anterior inferior part of the pelvis.

b. It forms part of the sciatic notch

Which bone points toward the little finger? a. Metacarpal I b. Metacarpal V c. Metatarsal I d. Metatarsal V e. Trapezium

b. Metacarpal V

Gomphoses a. contain fluid-filled joint cavities b. are found only in tooth sockets c. consist of sheets of hyaline cartilage d. cover the tendons in the shoulder and coal joints e. are also called saddle joints

b. are found only in tooth sockets

Which joint is multiaxial? a. pivot b. ball & socket c. condylar d. plane e. hinge

b. ball & socket

The type of muscle fivers that are striated, from Y-shaped branches, and have junctions called intercalated discs are ... a. skeletal b. cardiac c. smooth d. voluntary e. skeletal & voluntary

b. cardiac

Which of the following indicates that a structure is associated with the neck? a. capitis b. cervicis c. thoracis d. lumborum e. ansa

b. cervicis

When a muscle is isometrically contracted, its length ________ change. a. does b. does not

b. does not

A "broken hip" usually refers to a fracture of the ... a. pubic symphysis b. femoral neck c. acetabulum d.iliac crest e. ischial tuberosity

b. femoral neck

The sagittal suture is a(n) a. cartilaginous joint b. fibrous joint c. synovial joint d. synchondrosis e. amphiarthrosis

b. fibrous joint

The term diarthorosis refers to a joint that is ... a. immobile b. freely mobile c. fused d. slightly mobile e. dislocated

b. freely mobile

Of the muscles listed, the one NOT inserting on the quadraceps tendon is the a. rectus femoris b. gluteus maximus c. vastus lateralis d. vastus intermedius e. vastus medialis

b. gluteus maximus

A sphincter has ... a. widespread muscle fibers that converge on a common attachment site b. muscle fibers concentrically arranged c. fibers arranged in a parallel form d. fascicles arranged obliquely to their tendon e. fascicles that alternate superiorly and inferiorly

b. muscle fibers concentrically arranged

Which muscle is the most important for kissing? a. orbicularis oculi b. orbicularis oris c. temporalis d. frontralis e. risorius

b. orbicularis oris

The biceps brachii is an example of a ______ muscle. a. bipennate b. parallel c. circular d. convergent e. multipennate

b. parallel

The bicepts brachii is an example of a _____________ muscle. a.bipennate b. parallel c. circular d. convergent e. multipennate

b. parallel

Which is a sesamoid bone? a. femur b. patella c. first metatarsal d. clavicle e. calcaneus

b. patella

If you hug yourself to keep warm, the shoulders are ... a. pronated b. protracted c. supinated d. retracted e. extended

b. protracted

Which bone does not belong to the appendicular skeleton? a. femur b. sacrum c. calcaneus d. clavicle e. ulna

b. sacrum

What bone(s) does the clavicle articulate with? a. scapula only b. scapula and sternum c. scapula and humerus d. humerus and sternum e. humerus only

b. scapula and sternum

Which of the following muscles produces plantar flexion of the foot? a. tibialis anterior b. soleus c. plantaris d. flexor digitorum brevis e. quadratus plantae

b. soleus

The portion of the nervous system that conducts impulses from the skin, joints, skeletal muscles, and special senses in the ______________ ___________ division. a. autonomic motor b. somatic sensory c. somatic motor d. visceral sensory

b. somatic sensory

This muscle has its origin on the manubrium and sternal end of the clavicle and its insertion on the mastoid process... a. longissimus capitis b. sternocleidomastoid c. scalene d. splenius capitis e. splenius cervicus

b. sternocleidomastoid

Which extrinsic eye muscle moves through a pulley-like loop? a. inferior oblique b. superior oblique c. lateral rectus d. medial rectus e. superior resctus

b. superior oblique

After a pop quiz in anatomy class, you find out that you are one of the top scorers and have earned a fabulous prize. As you reach out your hand to receive your prize, what movements are involved? a. pronation & adduction b. supination & extension c. depression & flexion d. protaction & rotation e. eversion & abduction

b. supination & extension

The rotator cuff includes tendon of all of the following muscles EXCEPT ... a. the subscapularis b. the biceps brachii c. the infraspinatus d. the teres minor e. the supraspinatus

b. the biceps brachii

Strictly speaking, "arm" refers only to ... a. the upper extremity b. the brachium c. the antebrachium d. the cubital region e. the crural region

b. the brachium

Radial and ulnar collateral ligaments restrict side-to-side movement of which joint? a. the shoulder b. the elbow c. the knee d. the wrist e. the ankle

b. the elbow

Which group of muscles forms a thick, fleshy mass at the base of the thumb? a. hypothenar group b. thenar group c. midpalmar group d. dorsal interossei group e. abductor digit group

b. thenar group

The deepest of the abdominal muscles are the _____________ muscles. a. rectus abdominis b. transversus abdominis c. internal oblique d. external oblique e. tendinous intersections

b. transversus abdominis

All the muscles that move the glenohumeral joint insert somewhere on the humerus, except one. Which one? a. coracobrachialis b. triceps brachii c. latissimus dorsi d. pectoralis major e. supraspinatus

b. triceps brachii

The prime extensor of the elbow joint is the... a. deltoid muscle b. triceps brachii c. biceps brachii d. brachialis e. brachioradialis

b. triceps brachii

Nerve impulses involving pain stimuli travel along a. myelinated axons b. unmyelinated axons

b. unmyelinated axons

Which muscle contracts when one smiles? a. frontalis b. zygomaticus major c. depressor anguli oris d. orbivularis oris e. buccinator

b. zygomaticus major

This condition involves progressive demyelination of neurons in the CNS accompanied by the destruction of oligodendrocytes. As a result, the conduction of nerve impulses is disrupted, leading to impaired sensory perception and motor coordination. a. Guillain-Barre syndrome b. Parkinson disease c. Multiple sclerosis d. Amyotrophic lateral sclerosis e. None

c. Multiple sclerosis

A tendon sheath is a modification of which structure? a. a ligament b. a joint capsule c. a bursa d. a tendon e. a meniscus

c. a bursa

Which of the following is an effector? a. an afferent neuron b. an efferent neuron c. a gland d. a sense organ e. an interneuron

c. a gland

At what location do the three bones of the os coxae fuse? a. iliac crest b. ischial tuberosity c. acetabulum d. pelvic brim e. pubic symphysis

c. acetabulum

Fluid-filled sacs that cushion synovial joints are called a. fat pads b. articular discs c. bursae d. menisci e. diarthroses

c. bursae

The part of the neuron responsible for receiving, integrating, and sending nerve impulses is the ... a. dendrite b. axon c. cell body d. axon hillock e. telodendrion

c. cell body

Which of the following muscles is the prime mover for frowning? a. orbicularis oculi b. mentalis c. depressor anguli oris d. zygomaticus major e. risorius

c. depressor anguli oris

The connective tissue wrappings of a nerve, beginning at the outermost layer, are a. perineurium -> epineurium -> endoneurium b. perineurium -> endoneurium -> epineurium c. epineurium -> perineurium -> endoneurium d. epineurium -> endoneurium -> perineurium e. endorneurium -> perineurium -> epineurium

c. epineurium -> perineurium -> endoneurium

Three tendons form the border for the "anatomic snuffbox". Select the exception. a. abductor pollicis longus tendon b. extensor pollicis longus tendon c. extensor digiti minimi tendon d. extensor pollicis brevis tendon

c. extensor digiti minimi tendon

The lateral malleolus is found on which bone? a. tibia b. femur c. fibula d. humerus e.scapula

c. fibula

To raise your hand and place it on the shoulder of a person standing in front of you involves _______ of the shoulder. a. abduction b. adduction c. flexion d. extension e. elevation

c. flexion

The head of the humerus articulates with the ... a. greater trochanter b. trochlear notch c. glenoid cavity d. greater tubercle e. intertubercular sulcus

c. glenoid cavity

The most laterally placed of the 3 erector spinae components, the ______________ group, is composed of 3 parts: cervical, thoracic, and lumbar. a. longissimus b. spinalis c. iliocostalis

c. iliocostalis

What happens to the diaphragm when it contracts? a. it becomes dome-shaped and aids in expiration b. it becomes dome-shaped and aids in inspiration c. it becomes flatter and aids in inspiration d. it becomes flatter and aids in expiration

c. it becomes flatter and aids in inspiration

The prominence felt on the medial surface of the ankle is the ... a. tibial tuberosity b. medial condyle c. medial malleolus d. calcaneus e. head of the fibula

c. medial malleolus

These muscles extend form the pubis and ischium anteriorly to the sacrum and coccyx posteriorly. They control the evacuation of waste materials from the digestive and urinary systems. a. muscles of the abdominal wall b. muscles of the vertebral column c. muscles of the pelvic floor d. muscles of the pharyx e. muscles of the perineal floor

c. muscles of the pelvic floor

The function of neurofibril nodes is to ... a. inhibit the transmission of a nerve impulse b. provide points of attachment for nerve threads c. produce a faster nerve impulse through salutatory conduction d. produce a slower impulse through continuous conduction e. protect the delicate axon sheath

c. produce a faster nerve impulse through salutatory conduction

Which is NOT one of the hamstring muscles? a. biceps femoris b. semimembranosus c. rectus femoris d. semitendinosus

c. rectus femoris

The portion of the nervous system that has voluntary control over skeletal muscles is the ___________ division. a. autonomic motor b. somatic sensory c. somatic motor d. visceral sensory

c. somatic motor

Which does not belong in the PNC? a. ganglion b. cranial nerve c. spinal cord d. peripheral nerve e. spinal nerve

c. spinal cord

The bony projections that can be palpated medially and laterally at the wrist are the ... a. medial and lateral epicondyles b. spinous processes c. styloid processes d. medial and lateral malleoli e. greater and lesser trochanters

c. styloid processes

Which incorrectly describe what happens during skeletal muscle contraction? a. the width of the A band remains constant b. the H zone disappears c. the Z discs of a sarcomere move farther apart d. the sarcomere narrow e. the I bands narrow

c. the Z discs of a sarcomere move farther apart

Which is not part of the distal end of the humerus? a. the capitulum b. the lateral epicondyle c. the coronoid process d. the olecranon fossa e. the trochlea

c. the coronoid process

The integrative function of the nervous system is associated especially with which of the following? a. the sensory neurons b. the afferent neurons c. the interneurons d. the efferent neurons e. the effectors

c. the interneurons

What is the diamond-shaped region between the lower appendages called? a. the periosteum b. the pedundal triangle c. the perineum d. the posterior diaphragm e. the coccygeal triangle

c. the perineum

What is the diamond-shaped region between the lower appendages called? a. the periosteum b. the pedundal triangle c. the perineum d. the posterior disphragm e. the coccygeal triangle

c. the perineum

The trochlea of the humerus articulates with a. the head of the radius b. the glenoid cavity c. the proximal ulna d. the radial notch e. the acetabulum

c. the proximal ulna

Which of the following attaches to the M line of sarcomere? a. thin filaments b. titin c. thick filaments d. actin e. troponin

c. thick filaments

The _____ is a large, flat, diamond-shaped muscle that extends from the skull and vertebral column to the pectoral girdle laterally. It depresses, retracts, or rotates the scapula. a. subclavius b. levator scapulae c. trapezius d. serratus anterior e. pectoralis minor

c. trapezius

Based on its range of motion, the elbow is classified as a(n) __________ joint. a. multiaxial b. gliding c. uniaxial d. biaxial e. ellipsoid

c. uniaxial

Continuous conduction of nerve impulse occurs only along a. myelinated axons b. dendrites c. unmyelinated axons d. axons in the PNS e. axons in the CNS

c. unmyelinated axons

Which statement is correct concerning the terms afferent and efferent with respect to the nervous system? a. Afferent refers to the conduction of an impulse outward from the CNS. b. Both terms refer to conducting impulses outward from the CNS although efferent pathways carry only sensory impulses. c. Efferent refers to the conduction of motor impulses toward the CNS. d. Afferent refers to the conduction of sensory impulses toward CNS. e. Both terms refer to conducting impulses towards the CNS although afferent pathways carry only motor impulses.

d. Afferent refers to the conduction of sensory impulses toward CNS.

What part of the scapula articulates with the clavicle? a. conoid tubercle b. coracoid process c. glenoid cavity d. acromion process e. coronoid process

d. acromion process

The condition known as "tennis elbow" is caused by trauma or overuse of the a. common flexor tendon of the anterior forearm muscles b. common flexor tendon of the posterior forearm muscles c. common extensor tendon of the anterior forearm muscles d. common extensor tendon of the posterior forearm muscles e. none of the above

d. common extensor tendon of the posterior forearm muscles

When contracted, this muscle causes expansion of the thoracic cavity and increases pressure in the abdominopelvic cavity. Its insertion is on a central tendon. a. internal intercostals b. external intercostals c. transversus thoracis d. diaphragm e. serratus posterior inferior

d. diaphragm

Which does NOT correctly pair a movement with its opposing movement? a. flexion-extension b. abduction-adduction c. pronation-supination d. elevation-retraction e. dorsiflexion-plantarflexion

d. elevation-retraction

Which of the following is TRUE of joints that are first -class levers? a. epimysium b. fascia c. tendon d. endomysium e. perimysium

d. endomysium

Pennate muscles resemble a ... a. triangle b. leaf c. spindle d. feather e. strap

d. feather

What type of cartilage is located between the bones in a symphysis? a. elastic cartilage b. reticular cartilage c. hyaline cartilage d. fibrocartilage e. sutural carftilage

d. fibrocartilage

All of the muscles listed, except one, have their origin on the lateral epicondyle of the humerus. Select the exception. a. extensor digitorum b. extensor digiti minimi c. extensor carpi radialis brevis d. flexor pollicis longus e. extensor carpi ulnaris

d. flexor pollicis longus

One of the largest muscles in the body and the one most responsible for extending and laterally rotating the thigh is the a. sartorius b. tensor fasciae latae c. pectineus d. gluteus maximus e. gracilis

d. gluteus maximus

Which glial cell defends the body against pathogens? a. astrocyte b. ependymal cell c. neurolemmocyte d. microglial cell e. oligodendrocyte

d. microglial cell

When a person blinks she is using her... a. occipitofrontalis muscles b. orbicularis oris c. procerus d. orbicularis oculi e. depressor labii inferioris

d. orbicularis oculi

The joint formed by the axis and atlas that permits the "no" shaking of the head is a ____________ joint. a. condylar b. hinge c. plane d. pivot e. saddle

d. pivot

Which of these synovial joints does NOT have at least one rounded or convex surface? a. saddle b. ball & socket c. pivot d. plane e. condylar

d. plane

Which of these is NOT associated with the shoulder joint? a. coracohumeral ligament b. transverse humeral ligament c. glenoid activity d. radial (lateral) collateral ligament e. subdeltoid bursa

d. radial (lateral) collateral ligament

Which head of the quadriceps femoris extends the knee and flexes the thigh? a. vastus lateralis b. vastus medialis c. vastus intermedius d. rectus femoris e. biceps femoris

d. rectus femoris

Which of the following muscles flexes the knee? a. rectus femoris b. soleus c. gluteus maximus d. semimembranosus e. iliopsoas

d. semimembranosus

Which of the following does NOT contribute to the erector spinae? a. iliocostalis lumborum b. longissimus thoracis c. iliocostalis cervicis d. serratus posterior e. spinalis

d. serratus posterior

Which of the following is the prime mover of neck flexion? a. external oblique b. anterior scalene c. splenius capitis d. sternocleidomastoid e. multifidus

d. sternocleidomastoid

Two flat bone are joined by short, collagenous fivers and there is little movement. How would you classify the joint? a. synostosis b. symphysis c. gomphosis d. suture e. synchondrosis

d. suture

A muscle that assists the agonist is a(n) ... a. antagonist b. prime mover c. mediaor d. synergist

d. synergist

Which is NOT a correct pairing of a bone and its common name? a. clavicle - collar bone b. patella- knee cap c. scapula- shoulder blade d. talus- heel e. tibia- shin

d. talus- heel

The structure responsible for attaching muscle to bone is a ... a. shincter b. ligament c. fascia d. tendon e. myofibril

d. tendon

4 muscles are referred to as rotator cuff muscles. Select the exception. a. subscapularis b. supraspinatus c. infraspinatus d. teres major e. teres minor

d. teres major

Where in a sarcomere do actin and myosin overlap? a. the Z disc b. the H band c. the I band d. the A band e. the M line

d. the A band

Which of the following is a function of astrocytes? a. they circulate the cerebrospinal fluid b. they produce cerebrospinal fluid c. they phagocytize tissue debris d. they help form the blood-brain barrier e. they form myelin in the CNS

d. they help form the blood-brain barrier

The frontal belly of the occipitofrontalis muscle causes what action? a. sneering b. smiling c. flares the nostrils d. wrinkles the brow (forehead) e. frown

d. wrinkles the brow (forehead)

Where would you find the extensor retinaculum? a. knee b. hip c. wrist d. wrist and ankle e. ankle

d. wrist and ankle

If you contract your right sternocleidomastoid muscle, what movement would you expect? a. your chin would touch your chest b. your head would turn to the right c. your chin would point toward the ceiling d. your head would turn to the left e. you shoulders would shrug

d. your head would turn to the left

Which of the following structures is found at each end of a sarcomere? a. a sarcoplasmic reticulum b. an I band c. an H band d. an A band e. a Z disc

e. a Z disc


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