Multiple Choice Quiz1

The layer of connective tissue that separates the muscle tissue into small sections is called the ______________.

A)aponeuroses

B) epimysium

C)perimysium

D)endomysium2

The segment of a myofibril that is called a sarcomere runs from _______________.A)one Z line to the next Z line

B)one H zone to the next H zone

C)one A band to the next A band

D)one end of a skeletal muscle to the opposite end

3A motor unit is made up of _______________.

A)all the muscle fibers within a given muscle

B)a motor neuron and the muscle fibers it innervates

C)all the neurons going into an individual section of the body

D)a fascicle and a nerve4

The crossbridges involved in muscle contraction are located on the ________________.A)myosin myofilaments

B)actin myofilaments

C) tropomyosin

D)dystrophin

5Which of these statements is correct regarding muscle contraction?

A)All motor units act together.

B)Muscle contraction continues for long periods after nervous stimulation ceases.

C)The crossbridges bind to the actin and shorten the sarcomeres.

D)Dystrophin is not needed to strengthen the contracting muscle cell.

6When a nervous impulse travels from a neuron to a muscle cell, what happens next?

A)The impulse travels over the sarcolemma in all directions.

B)Calcium is released from the sarcoplasmic reticulum.

C)Linkages form between the actin and myosin.

D)Acetylcholine is decomposed by acetylcholinesterase.7

One of the following statements about muscular responses is not true. Choose that one.A)A muscle fiber contracts in an all-or-none fashion.

B)There is a slight latent period that occurs between when the stimulus arrives at the muscle and when the muscle contracts.

C)Muscles will add motor units to a contraction, increasing the overall force of contraction.

D)When a person is fully at rest, none of her muscles are contracting.

8 Which muscle enables you to pucker your lips for a kiss?

A)epicranius

B) buccinator

C)orbicularis oris

D)orbicularis oculi

9The muscle that enables you to elevate and adduct your scapula is the ____________.

A)serratus anterior

B)sternocleidomastoid

C)splenius capitis

D)rhomboideus major

10The biceps femoris is one hamstring muscle located on the back of the thigh. Which muscle is the other hamstring?

A)adductor magnus

B)semitendinosus

C)gluteus maximus

D)quadriceps femoris

11 Each muscle fiber is directly surrounded by connective tissue called the _____.A)perimysium

B) fascia

C)endomysium

D)epimysium12

Which term is the smallest subdivision in this group?A)fiber

B)fibril

C)filament

D)actin13

Which description of muscle contraction means that all of the fibers within a muscle are fully contracted?

A)all-or-none law

B)summation

C) tetanic

D)muscle twitching

14The application of multiple stimuli to a muscle is defined as the process called _____.

A) tetany

B)summation

C) fatigue

D) treppe

15The term _____ refers to the constant state of contraction of a certain number of fibers within a muscle.

A)atrophy

B) hypertrophy

C)summation

D)Tone

16Muscles that are not used, may degenerate or undergo a process of _____.

A)atrophy

B)hypertrophy

C) fatigue

D) tetany

17Muscles that act to cause similar movements are called _____.

A)antagonists

B)origins

C) insertions

D)synergists

18The triangle shaped muscle which antagonizes the sternocleidomastoid is the _____.

A)deltoid

B)pectoralis major

C)external oblique

D) trapezius19

The antagonist to the triceps brachii is the _____.A)deltoid

B)pectoralis major

C) brachialis

D)serratus anterior

Who Wants to be a Millionaire Multiple Choice Questions: 1

1. Which of the following types of muscle are found in the stomach or blood vessels?

A)cardiac

B)skeletal

C)visceral

D)striated

22. A large broad sheet of connective tissue, such as on the abdomen, is called a/an _____ .

A)aponeurosis

B)epimysium

C)perimysium

D) endomysium

33. The membrane that is the closest to the individual muscle fiber is the _____ .

A)aponeurosis

B)epimysium

C)perimysium

D)endomysium

44. A group of skeletal muscle fibers is called a/an _____.

A)perimysium

B) fascicle

C)epimysium

D)tendon5

5. The structure that connects muscles to bones is the _____.A)aponeurosis

B) fascicle

C) tendon

D) ligament7

7. The muscle cells within a group such as the biceps brachii are individually called _____ .

A)sarcolemmas

B)fibers

C)myocyte

D)myofibrils8

8. The fiber cell membrane is termed the _____ .

A)myofibril

B)myosin

C)myofilament

D)sarcolemma9

9. Which of the following does not belong with the others?A)myofilament

B)myosin

C)myofibril

D)actin10 10. The smallest, functional unit of contraction is the _____.

A)fiber

B)sarcomere

C)filament

D)myofibril11 11. The I bands in a sarcomere are made of _____ .

A)myosin

B)actin and myosin

C) tropomyosin

D)actin

12 12. The _____ zone contains only myosin and is in the center of a sarcomere.

A)A

B) I

C)M

D)H16 13. The combination of a neuron and the muscle fiber it associates with is called

a/an __ A) fascicle

B)motor end plate

C)motor unit

D)myoneural junction17 14. The most abundant of the muscle proteins is _____ .

A)actin

B) troponin

C)myosin

D)tropomyosin18 15. The main force of contraction occurs when actin forms a chemical complex with _____ .

A) troponin

B)myosin

C) tropomyosin

D)acetylcholine19 16. When a muscle is at rest, which of the following is not associated chemically

with the others?A)actin

B)myosin

C) troponin

D)tropomyosin20

17. During the contraction of a sarcomere, calcium ions bind with the protein _____.

A)actin

B)myosin

C) troponin

D)tropomyosin21 18. The main neurotransmitter involved in skeletal muscle contraction is _____.

A)adrenalin

B)noradrenalin

C)acetylcholine

D)dopamine

22 19. Which molecule directly supplies energy to myosin to allow the filaments to

contract?A)adenosine diphosphate

B)ATP

C)creatine phosphate

D)creatinine23 20. What is the most abundant storage form of energy within a muscle fiber?

A)glycogen

B) ADP

C)ATP

D)creatine phosphate

25 21 How is excess sugar stored within muscle fibers?

A) in ATP

B)glycogen

C)glucose

D)creatinine

27 22. The reddish brown color of muscle is due to the presence of _____ molecules.

A)creatine phosphate

B)hemoglobin

C) iron

D)myoglobin28 23. Which molecule is produced during exercise, resulting in the oxygen debt?

A)glycogen

B) lactate

C)pyruvate

D)ATP29 24. Which of the following does not belong with the others?

A)white muscles

B) fast-contracting

C)extensive sarcoplasmic reticulum

D)relatively large supply of myoglobin

32 25. A single contraction of a muscle is called a ______.

A) threshold

B)recruitment

C) twitch

D)myogram33 26. The period of time between the stimulus and contraction is called the _____.

A) latent period

B)refractory period

C)contraction period

D) relaxation period

34 27. The period of time in which a muscle will not respond to a stimulus is called the

_____.A) latent period

B)refractory period

C) relaxation period

D) threshold

3728. Contractions called _____ occur whenever the forces applied to a muscle are increased, but the muscle does not appear to be moving.

A) isotonic

B) isometric

C) tetanic

D)summation contractions38

29. Which of the following muscles always requires nerve impulses in order to contract?

A)multi-unit smooth

B)skeletal

C)visceral smooth

D)cardiac39

30. Which type of muscle is found in the wall of blood vessels?A)skeletal

B)cardiac

C)smooth visceral

D)multi-unit smooth40

31. Since smooth muscle fibers have rhythmicity and can stimulate each other, they contract in a pattern called _____.

A)a functional syncytium

B)peristalsis

C) tetany

D)tonus41

32. The degeneration of muscle fibers caused by a lack of proper stimulation and usage is called _____.

A)hypertrophy

B)atrophy

C)dystrophy

D)peristalsis42

33. In smooth muscle, calcium ions combine with _____ to allow the actin and myosin cross-bridges to form.

A)calmodulin

B) troponin

C)myosin

D)tropomyosin45

34. The muscle is called the _____ when it is causing the movement that is being described.

A)antagonist

B)synergist

C)prime mover

D)flexor46

35. Muscles that act together to cause the same movements are called _____.A)synergists

B)antagonists

C)prime movers

D)agonists47

36. The sternocleidomastoid muscle was named because of its _____.A)shape

B)size

C) location

D)points of attachment

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51

52

53

54

37. The antagonist of the sternocleidomastoid is the _____.A)splenius capitis

B)digastric

C) trapezius

D)semispinalis capitis55

38. The triangular shaped muscle on the back that rotates the shoulder is the _____

A) trapezius

B)rhomboid

C)deltoid

D) levator scapulae56

39. The _____ muscle acts to elevate the shoulders.A)rhomboideus

B) levator scapulae

C)pectoralis major

D)deltoid57

40. Adduction of the scapulae in a posterior view is mainly accomplished by the _____.

A) trapezius

B)rhomboideus

C)serratus anterior

D)pectoralis minor

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41. The _____ will move the shoulders on a forward plane.A)pectoralis major

B)pectoralis minor

C)deltoid

D)serratus anterior

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42. An antagonist of the teres major is the _____.A)pectoralis major

B)supraspinatus

C) infraspinatus

D)subscapularis

6043. The _____ is a common intramuscular injection site, which flexes the shoulder or extends the arm.

A)pectoralis major

B)deltoid

C) trapezius

D)coracobrachialis

6144. Which triangular thoracic muscle causes the arms to move towards the midline?

A)subscapularis

B) teres minor

C)pectoralis major

D) latissimus dorsi62

45. A synergist with the biceps brachii is the _____.A) triceps brachii

B)brachialis

C)deltoid

D)supinator

6346. The pronator teres inserts on the _____.

A)radius

B)ulna

C)humerus

D)scapula64

47. The following belong together except which one?A)flexor carpi radialis

B)palmaris longus

C)flexor digitorum profundus

D)extensor carpi ulnaris

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48. The psoas major is the antagonist to the _____.A)psoas minor

B)gluteus maximus

C) iliacus

D)pectineus

6849. The _____ muscle attaches to a long band of tendon which runs down the lateral aspect of the leg.

A) iliacus

B) tensor fasciae latae

C)adductor longus

D)gracilis

6950. The _____ muscle causes one to cross the leg by adducting the thigh and flexing the lower leg.

A) iliopsoas

B)sartorius

C)gracilis

D)adductor magnus

7051. Which muscle runs from the anterior superior iliac spine to the medial tibial surface near the patella?

A)vastus medialis

B)vastus lateralis

C)semitendinosus

D)sartorius

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52. Which of the following does not belong with the others?A)semimembranosus

B)biceps femoris

C)sartorius

D)semitendinosus72

53. Which of these does not belong with the others?A)vastus intermedius

B)rectus femoris

C)vastus medialis

D)biceps femoris

7354. The following cause dorsiflexion of the foot except which one?

A)extensor digitorum longus

B)soleus

C) tibialis anterior

D)peroneus tertius

7455. Which of the following is attached to the calcaneus?

A)gastrocnemius

B) tibialis posterior

C)peroneus longus

D)peroneus tertius75

56. The _____ is inserted on the base of the first metatarsal.A)soleus

B) tibialis anterior

C) tibialis posterior

D)extensor digitorum longus

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