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Bio 171 Exam 4 Review

Total questions: 64

Worksheet time: 36mins

Name
Class
Date
1.

The epimysium covers

a)

the fascicle

b)

the muscle fiber

c)

the muscle

d)

the sarcomere

2.

insertion is attachment of muscle tendon to stationary bone

a)

true

b)

false

3.

select all the characteristics of muscle tissue

a)

electrical excitability

b)

conductivity

c)

elasticity

d)

contractility

4.

which muscle tissue types have a single nucleus

a)

cardiac

b)

smooth

c)

skeletal

5.

thin microfilament

a)

actin

b)

myosin

c)

troponin

d)

tropomyosin

6.

a single motor neuron and all of the muscle fibers it innervates

a)

action potential

b)

motor neuron

c)

axon

d)

motor unit

7.

which of the following is an organelle of muscle cells

a)

sarcolemma

b)

myofibril

c)

fascicle

d)

calcium

8.

order from most to least complex

a)

fascicle

muscle fiber

myofibril

muscle

b)

muscle

fasicle

muscle fiber

myofibril

c)

myofibril

muscle fiber

fascicle

muscle

d)

muscle

muscle fiber

fasicle

myofibril

9.

regulatory proteins in muscle fibers

a)

actin

b)

myosin

c)

troponin

d)

tropomyosin

10.

the sarcomere is the smallest unit of muscle structure

a)

true

b)

false

11.


calcium binds to

a)

myosin

b)

tropomyosin

c)

troponin

d)

actin

12.

sustained contraction that lacks even partial relaxation between stimuli

a)

summation

b)

refractory period

c)

latent period

d)

tetanus

13.

Which of the following occurs after the nerve action travels down motor neuron and releases ACH?

a)

actin and myosin form a cross bridge

b)

T tubules trigger sarcoplasmic reticulum to release CA

c)

ACH binds to receptors so sodium channels open causing depolarization

d)

calcium binds to troponin, removing tropomyosin from actin binding sites

14.


Plant poison used on arrows & blowgun darts

a)

botox

b)

curare

c)

acetylcholine

d)

strabismus

15.

curare blocks Ach release and botox blocks Ach receptors

a)

true

b)

false

16.

what is released into the NMJ to stop muscle contraction

a)

acetylcholine

b)

acetylcholinesterase

c)

calcium

d)

sodium

17.

aerobic respiration makes 2 ATP and lactic acid

a)

true

b)

false

18.

characteristics of oxidative-glycolytic fibers

a)

walking

b)

pink

c)

red

d)

medium amount of miitochondria

e)

tons of mitochondria

19.

characteristics of fast glycolytic fibers

a)

red

b)

white

c)

endurance running

d)

weight lifting

e)

tons of mitochondria

20.

characteristics of slow oxidative fibers

a)

red

b)

white

c)

endurance running

d)

give ATP fast

e)

give ATP slow

21.

lacy structure that releases calcium into muscle cell

a)

sarcolemma

b)

sarcoplasm

c)

sarcoplasmic reticulum

d)

sarcomere

22.

cretine-phosphate produces ATP for a 100 meter dash sprint (usain bolt does it in 7 seconds)

a)

true

b)

false

23.

when muscles get bigger, we add more muscle cells

a)

true

b)

false

24.


The duration of contraction and relaxation of smooth muscle is shorter than in skeletal muscle

a)

True

b)

False

25.

time during which muscle tension increases

a)

latent period

b)

contraction period

c)

refractory period

d)

summation period

26.

time lag between when stimulus is applied and when contraction begins

a)

latent period

b)

contraction period

c)

refractory period

d)

summation period

27.

time during which muscle tension decreases, and muscle returns to resting state

a)

latent period

b)

contraction period

c)

relaxation period

d)

summation period

28.

rigor mortis is a state of paralysis caused by botulinum toxin

a)

true

b)

false

29.

prime mover of inspiration

a)

internal intercostals

b)

external intercostals

c)

diaphragm

d)

vastus lateralis

30.

prime mover of elbow flexion

a)

biceps brachii

b)

brachialis

c)

triceps brachii

d)

brachiordialis

31.

the deltoid does which movements

a)

flex arm

b)

extend arm

c)

abduct arm

d)

adduct arm

32.

which of the following muscles are part of the rotator cuff

a)

subscapularis

b)

supraspinatus

c)

infraspinatus

d)

teres minor

33.

serratus anterior is used in punching

a)

true

b)

false

34.

ischiocavernosus aids in erection while bulbospongiosus maintains erection

a)

true

b)

false

35.


order erector spinae from lateral to medial

a)

iliiocostaliis

spinalis

longissimus

b)

longissimus

spinalis

iliiocostaliis

c)

iliiocostaliis

longissimus

spinalis

36.


the external abdominal obliques cause ______ rotation when contracted unilaterally

a)

contralateral

b)

ipsilateral

37.

the internal intercostals are used for _______ and ______ the ribcage

a)

expiration; depress

b)

inspiration; depress

c)

expiration; elevate

d)

inspiration; elevate

38.

A muscle that causes a desired action is the antagonist, and the agonist produces an opposite action

a)

true

b)

false

39.

facial muscles insert into

a)

skin

b)

joints

40.

orbicularis oculi is used for

a)

protruding lips

b)

chewing

c)

closing eye

d)

opening eye

41.

a common site for botox injection is

a)

levator palpebrae superioris

b)

corrugator supercilii

c)

orbicularis oculi

d)

frontalis

42.

the internal abdominal obliques cause ______ rotation when contracted unilaterally

a)

contralateral

b)

ipsilateral

43.

triceps brachii is named for

a)

being the third arm muscle

b)

having two heads and an insertion

c)

being the prime mover of elbow extension

d)

having three heads

44.

the sternocleidomastoid muscle is the prime mover of neck flexion and shakes head no

a)

true

b)

false

45.

when acting unilaterally, the sternocleidomastoid produces ______ rotation

a)

contralateral

b)

ipsilateral

46.

hamstring muscles include

a)

biceps femoris

b)

semitendinosus

c)

semimembranosus

d)

sartorius

47.

the gastrocnemius dorsiflexes the foot

a)

True

b)

False

48.


which of the following apply to the quadriceps muscles

a)

prime mover of knee extension

b)

prime mover of knee flexion

c)

strongest muscles in body

d)

longest muscles in body

49.

most muscles cross at at least one _____

a)

joint

b)

tendon

c)

ligament

d)

nerve

50.

the iliotibial band is a combination of

a)

gluteus minimus

b)

gluteus medius

c)

gluteus maximus

d)

tensor fasciae latae

51.

wrist flexors from medial to lateral

a)

flexor carpi ulnaris palmaris longus

flexor carpi radialis

b)

palmaris longus

flexor carpi radialis

flexor carpi ulnaris

c)

flexor carpi ulnaris

flexor carpi radialis

palmaris longus

d)

palmaris longus

flexor carpi ulnaris

flexor carpi radialis

52.

condition of muscle swelling to the point where healthy fibers and blood vessels are compressed and damaged

a)

rigor mortis

b)

compartment syndrome

c)

muscular hypertrophy

d)

acidosis

53.

hand and eye muscles have _____ fibers

a)

fast glycolytic

b)

slow oxidative

c)

fast oxidative-glycolytic

54.

oxygen-storing reddish pigment that gives skeletal muscles their color

a)

hemoglobin

b)

myoglobin

c)

creatine phosphate

d)

acetylcholine

55.

the subscapularis produces lateral humerus rotation

a)

true

b)

false

56.


titin links actin filaments to a peripheral protein on the inner face of the sarcolemma

a)

true

b)

false

57.


produces backward swing of the arm

a)

trapzeius

b)

biceps bracchii

c)

pronator teres

d)

latissimus dorsi

58.


dorsiflexes and inverts the foot

a)

soleus

b)

tibialis anterior

c)

tibialis posterior

d)

fibularis longus

59.

prime movers of the shoulder joint

a)

pectoralis minor

b)

pectoralis major

c)

serratus anterior

d)

lattisimus dorsi

60.

orbicularis oculi has a ______ arrangement

a)

circular

b)

pennate

c)

convergent

d)

parallel

61.

flexes fingers 2-5

a)

flexor carpi ulnaris

b)

flexor digitorum superficialis

c)

flexor carpi radialis

d)

palmaris longus

62.

used to show expressions of horror

a)

frontalis

b)

platysma

c)

corrugator supercilii

d)

zygomaticus major

63.

muscle fatigue occurs with

a)

decreased blood flow

b)

ion imbalances across the sarcolemma

c)

too much ATP

d)

accumulation of lactic acid

64.

_____ fibers have the largest diameter

a)

Slow oxidative

b)

fast oxidative glycolytic

c)

fast glycolytic