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Muscular System Pre-Assessment

Total questions: 117

Worksheet time: 2hrs 36mins

Name
Class
Date
1.
The thick filament is composed of: 
a)
Myosin
b)
Actin
2.
The thin filament is composed of: 
a)
Myosin
b)
Actin
3.
Involuntary
a)
skeletal
b)
cardiac
c)
smooth
d)
smooth and cardiac
4.

The gap between the nerve cell and sarcolemma is the ____ ___.

a)

Synaptic cleft

b)

Neurotransmitter

c)

Motor unit

d)

Neuromuscular junction

5.

What is the specific neurotransmitter that stimulates the movement of skeletal muscles?

a)

GABA

b)

Acetylcholine

c)

Serotonin

d)

Dopamine

6.
Region where a motor neuron comes in close contact with a muscle cell.
a)
neurotransmitter
b)
muscular dystrophy
c)
muscle tension
d)
neuromuscular junction
7.

What happens at the neuromuscular junction?

a)

A sensory neuron communicates with a motor neuron

b)

An action potential jumps from the muscle to the neuron

c)

A nerve signal traveling down a motor neuron can jump over to the muscle cell

d)

Muscle cells contract in response to a sensory neuron

8.

Skeletal muscles are voluntary.

a)

true

b)

false

9.

The epimysium covers

a)

the entire muscle

b)

the fascicle

c)

the muscle fiber

d)

the myofibril

10.

Which connective tissue surrounds the fascicle?

a)

epimysium

b)

perimysium

c)

sarcolemma

d)

endomysium

11.

wasting away of muscle tissue

a)

atrophy

b)

hypertrophy

c)

lactic acidosis

d)

unfused tetanus

12.

Muscle fatigue is primarily due to a build-up of ______ during anaerobic respiration.

a)

acetylcholine

b)

ATP

c)

creatine phosphate

d)

lactic acid

13.

occurs because there is no ATP to remove myosin cross bridges after death

a)

atrophy

b)

muscle spasms

c)

myotonic dystrophy

d)

rigor mortis

14.

Inherited muscle-destroying diseases characterized by degeneration of individual muscle fibers (usually voluntary)

a)

Lactic acidosis

b)

Muscular dystrophy

c)

Myasthenia gravis

d)

Rigor mortis

15.

autoimmune disease that attacks acetylcholine receptors leading to muscle weakness

a)

Moebius disease

b)

Muscular dystrophy

c)

Myasthenia gravis

d)

Sarin gas exposure

16.

6th and 7th cranial nerve don’t develop; palsy on one (or both) side of face

a)

lactic acidosis

b)

Moebius disease

c)

Muscular dystrophy

d)

Myasthenia gravis

17.

sudden, involuntary contraction of single muscle in large group

a)

fasciculation

b)

fibrillation

c)

spasm

d)

tic

18.

muscles contract but have decreasing power to relax (become weak and waste away); symptoms more severe with each generation

a)

atrophy

b)

myasthenia gravis

c)

myotonic dystrophy

d)

rigor mortis

19.

A ______ can be used to measure skeletal muscle contraction. (i.e. in the "chewing lab")

a)

cardiogram

b)

encephalogram

c)

myogram

d)

telegram

20.

Sarin gas...

a)

inhibits acetylcholinesterase.

b)

inhibits the release of acetylcholine at the axon terminal.

c)

inhibits the release of Ca+2 in the muscle cell

d)

produces antibodies against acatylcholine receptors.

21.

What muscle tissue is voluntary?

a)

Skeletal

b)

Smooth

c)

Cardiac

22.

Smooth and Cardiac Muscle Tissue are

a)

voluntary

b)

involuntary

23.

What type of muscle tissue is this?

a)

Skeletal

b)

Smooth

c)

Cardiac

24.

What type of muscle tissue?

a)

Skeletal

b)

Smooth

c)

Cardiac

25.

What type of tissue is this?

a)

Skeletal

b)

Smooth

c)

Cardiac

26.

(Blank 1): attachment to bone that stays fixed when movement of joint occurs

(Blank 2): attachment to bone that moves when muscle contracts

(Blank 3): main part of muscle

CAPITALIZE :)

(a)  

27.

Label 1, 2, and 3 in order

(capitalize)

(a)  

28.

Label 1, 2, and 3

* Capitalize :) *

(a)  

29.

What happens in the resting of the sliding filament theory?

1. (A) is on myosin (B)

2. (A) breaks into (C)

(a)  

30.

What is troponin?

a)

thin my-filament

b)

thick my-filament

c)

protein, binds actin and Ca

d)

protein, blocks myosin binding when muscle is relaxed

31.

What is tropomyosin?

a)

thin myofilament

b)

thick my-filament

c)

protein, binds actin and Ca

d)

protein, blocks actin binding when muscle is relaxed

32.

Neuromuscular Junction:

1. Each (A) has 1 (B)

2. (C) separates (A) and (B)

3. (B) has (D) containing (E)

4. When nerve reaches (B), (E) releases into (C)

* don't have to capitalize *

(a)  

33.

Action Potential (energy/signal):

1. (A) channels open

2. (B) goes into (C)

3. (D) is released into (E)

(a)  

34.

Myosin-Actin Binding:

1. (A) binds into (B), changing its shape

2. (C) moves out of the way

3. Actin and myosin binds together thanks to (D)

(a)  

35.

Power Stroke:

1. Myosin (A) pivots so actin and myosin (B) by each other, shortening (C)

2. (D) releases, giving (E) energy

(a)  

36.

ATP binding stage:

A different (A) molecule binds to (B), letting go of (C)

(a)  

37.

Repeating:

1. The cycle will repeat if (A) is still available=still (B)
2. Returns to (D)

(a)  

38.

Going back to rest:

1. (A) will go back to it's original shape

2. (B) blocks (C)'s binding site

3. Muscle fibers (D)

(a)  

39.

What order does the sliding filament theory go?

A) Action Potential

B) Power Stroke

C)ATP binding

D) Resting

E) Myosin-Actin binding

F) Neuromuscular Junction

G) Going back to power stroke

H)Going back to resting

(a)  

40.
Which muscle type is found in your stomach, bladder, and intestines?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
41.
Which type of muscle is found in your heart?
a)
Skeletal
b)
Smooth
c)
Cardiac
d)
Straight
42.
Which muscles are involuntary?
a)
skeletal
b)
cardiac
c)
smooth
d)
smooth and cardiac
43.
When a muscle contracts, it _______
a)
gets longer
b)
gets shorter
c)
gets thinner
d)
grows hair
44.
Which types of muscle tissue are voluntary?
a)
Cardiac
b)
Skeletal
c)
Smooth
d)
Cardiac and Smooth
45.
Skeletal muscles are attached to the _________.
a)
Stomach
b)
Lungs
c)
Bones
d)
Involuntary Muscles
46.
Cardiac muscles are ONLY located in the heart
a)
TRUE
b)
FALSE
47.
Muscles always work in _____
a)
pairs
b)
groups of 3
c)
bones
d)
joints
48.
Voluntary muscle is
a)
muscle that has to be told when to move
b)
muscle that moves automatically
c)
muscle that needs to be stretched regularly
d)
muscle that makes up the heart and stomach
49.
What type of muscle is found in the bladder?
a)
cardiac
b)
skeletal
c)
smooth
d)
involuntary
50.
What is an example of an involuntary muscle? 
a)
Heart
b)
Arms 
c)
Legs
d)
Shoulders
51.
The cardiac muscle is 
a)
Voluntary 
b)
Involuntary 
52.
The smooth muscle is located 
a)
In the heart 
b)
Bones 
c)
Head 
d)
Within organs 
53.
Involuntary muscle is 
a)
muscle found in the heart
b)
muscle found in the organs
c)
muscle that works automatically
d)
all of these are true
54.
Tendons connect __________ to bone.
a)
Cartilage
b)
Bone
c)
Muscle
d)
Ligaments
55.

What muscle is highlighted in the picture?

a)

Triceps

b)

Biceps

c)

Quads

d)

Deltoids

56.

What muscle is highlighted in the picture?

a)

Triceps

b)

Biceps

c)

Quads

d)

Deltoids

57.
What is a voluntary muscle?
a)
You have control over the muscle 
b)
You have no control over the muscle
c)
Muscle works automatically
d)
Muscles fuse together
58.
Food that are good for the muscular system have
a)
Calcium and Phosphorus
b)
Vitamin A and Vitamin B
c)
Protein and Vitamin C
d)
Protein and Carbohydrates
59.

What muscle is highlighted?

a)

Lats

b)

Abdominals

c)

Pectoralis

d)

Quads

60.

How many types of muscles are there?

a)

2

b)

4

c)

3

d)

1

61.

What are the characteristics of the cardiac muscle?

a)

Involunatary

b)

Found in the heart

c)

Banded Appearance

d)

Dense connective tissue packaging

62.

Smooth Muscle is found in the?

a)

Heart

b)

Facial

c)

Organs

d)

Legs

63.

The connective tissue sheath that surrounds a muscle fasciculus is the

a)

epimysium

b)

endomysium

c)

perimysium

64.

given the following events:

1.acetycholine broken down

2.acetylcholine moves across the synaptic cleft

3.action potential reaches the terminal branch (presynaptic terminal)

4.acetylcholine combines with a receptor molecule on a skeletal muscle (postsynaptic membrane)

5.action potential produced in skeletal muscle cell


Choose the arrangement that lists the events in the order the occur at a neuromuscular injunction

a)

2,3,4,1,5

b)

3,2,4,5,1

c)

3,4,2,1,3

d)

4,5,2,1,3

65.

Muscles that oppose one another are

a)

synergist

b)

hateful

c)

prime movers

d)

antagonists

66.
Muscles are composed of which of the following?
a)
Lipids
b)
Protiens
c)
Carbohydrates
d)
Fats
67.
Which of the following is defined as the ability of an object to quickly return to the original shape and size?
a)
Elasticity
b)
Excitibility
c)
Flexibility
d)
Extensibility
68.
Which of the following is defined as the ability to change or be changed according to circumstances?
a)
Elasticity
b)
Excitability
c)
Flexibility
d)
Extensibility
69.
Which of the following is NOT a type of muscle?
a)
Rough
b)
Smooth
c)
Cardiac
d)
Skeletal
70.
Skeletal muscles are responsible for which of the following?
a)
Movement of the body
b)
Movement of the heart
c)
Movement of the ligaments 
d)
Movement of the extremities
71.
Which of the following describes the sarcomere? 
a)
The basic unit of muscle’s cross-striated myofibril
b)
. A protein band which defines the boundary between one sarcomere 
c)
 Various muscle proteins 
d)
Contains the protein, actin
72.
Which of the following describes muscle bundles? 
a)
Long, multi-nucleated, thread-like cells
b)
Set of muscle fibers grouped together 
c)
Considered to the cell of the muscle 
d)
Organelles which are unique to muscle tissue
73.
Skeletal muscles are attached to which of the following? 
a)
Bones and ligaments 
b)
Ligaments and tendons
c)
Tendons and bones
d)
Bones and fat 
74.

Muscles are needed for what?

a)

movement

b)

decoration

c)

pump blood

d)

no one knows

75.

Smooth muscle is located where?

a)

heart

b)

bones

c)

toes

d)

internal organs

76.

The nerve releases a chemical called a

a)

neurotransmitter

b)

neuron

c)

myofibril

d)

cell

77.
What are the two classifications of muscles in your body?
a)
Voluntary and Controllable
b)
Flabby and Strong
c)
Involuntary and Voluntary
d)
Hard and soft
78.
How do pairs of skeletal muscles work together?
a)
while one contracts, the other returns to original length
b)
both muscles contract at the same time
c)
both muscles relax at the same time
d)
1 muscle pulls on the bone and the other pulls on the first muscle
79.
Which 2 systems work together to help a person stand erect?
a)
skeletal / muscular
b)
skeletal / digetive
c)
skeletal / respiratory
d)
skeletal / cardiovascular
80.

What system does the muscular system work in conjunction with to allow our body to move?

a)

Digestive

b)

Respiratory

c)

Skeletal

d)

Circulatory

81.
What is a voluntary muscle?
a)
You have control over the muscle 
b)
You have no control over the muscle
c)
Muscle works automatically
d)
Muscles fuse together
82.
Muscles give us shape and help us maintain good posture?
a)
True
b)
False
83.
This muscle is an involuntary muscle and moves on it's own. 
a)
Heart
b)
Bicep
c)
Hamstring
d)
Lats 
84.
Muscles that you cannot choose to contract are called _______.
a)
involuntary muscles
b)
voluntary muscles
85.
Muscles always work in _____
a)
pairs
b)
groups of 3
c)
bones
d)
joints
86.
What are the 3 types of muscle tissue?
a)
Thigh, Calf, & Shoulder
b)
Traps, Forearm, & Abs
c)
Hamstring, Biceps, & Triceps
d)
Smooth Muscle, Cardiac Muscle, & Skeletal Muscle
87.
The main purpose of the muscular system is to....
a)
Keep the heart beating
b)
Move the body
c)
Hit the dab
d)
Transfer oxygen
88.
What type of muscle is found in the bladder?
a)
cardiac
b)
skeletal
c)
smooth
d)
involuntary
89.
The smooth muscle is located 
a)
In the heart 
b)
Bones 
c)
Head 
d)
Within organs 
90.
Which type of Muscles are under are conscious control?  This means we instruct them to perform
a)
Skeletal/Voluntary Muscle
b)
Smooth/Involentary
c)
Cardiac Muscle
d)
Rough Muscle 
91.
Cardiac muscle is only found where? 
a)
Lungs
b)
Heart
c)
Kidney's 
d)
Liver
92.
Skeletal muscles are attached to the _________.
a)
Stomach
b)
Lungs
c)
Bones
d)
Involuntary Muscles
93.
Muscles always work in _____
a)
pairs
b)
groups of 3
c)
bones
d)
joints
94.
What is an example of an involuntary muscle? 
a)
Heart
b)
Arms 
c)
Legs
d)
Shoulders
95.
Involuntary muscle is 
a)
muscle found in the heart
b)
muscle found in the organs
c)
muscle that works automatically
d)
all of these are true
96.
What is a voluntary muscle?
a)
You have control over the muscle 
b)
You have no control over the muscle
c)
Muscle works automatically
d)
Muscles fuse together
97.
How many bones are in the adult human body?
a)
200
b)
206
c)
205
d)
204
98.
From which system does the body get the message to move?
a)
Circulatory System
b)
Skeletal System
c)
Muscular System
d)
Nervous System
99.

How should you care for your muscular system. Select all that apply.

a)

Exercise regularly.

b)

Eat fast food on a daily basis.

c)

Warm-up before and cool-down after exercise.

d)

Stretch to remain flexible.

e)

Eat healthy foods, especially foods high in protein.

100.

Exercise is important for muscles because it

a)

helps maintain strength and flexibility.

b)

gives muscles more energy.

c)

prevents muscles from becoming tired.

d)

prevents muscle injuries.

101.

What are the three types of muscles?

a)

skeletal muscles, smooth muscles, and cardiac muscles

b)

biceps muscles, triceps muscles, and quadriceps muscles

c)

voluntary muscles, involuntary muscles, and respiratory muscles

d)

flexor muscles, extensor muscles, and oblique muscles

102.

Which type of muscle is responsible for voluntary movements?

a)

Smooth muscles

b)

Skeletal muscles

c)

Adipose tissues

d)

Cardiac muscles

103.

Which type of muscle is found in the walls of hollow organs?

a)

striated muscle

b)

smooth muscle

c)

skeletal muscle

d)

cardiac muscle

104.

What are the main functions of muscles?

a)

The main functions of muscles are producing sound, vision, and taste.

b)

The main functions of muscles are thinking, feeling, and sensing.

c)

The main functions of muscles are movement, stability, and posture.

d)

The main functions of muscles are digestion, respiration, and circulation.

105.

Which muscle type is striated and multinucleated?

a)

skeletal muscle

b)

cardiac muscle

c)

adipose tissue

d)

smooth muscle

106.

What is the basic unit of muscle structure?

a)

Nucleus

b)

Mitochondria

c)

Golgi Apparatus

d)

Sarcomere

107.

What is the process called when a muscle shortens and generates force?

a)

muscle contraction

b)

muscle extension

c)

muscle expansion

d)

muscle relaxation

108.

Which protein is responsible for muscle contraction?

a)

keratin and collagen

b)

hemoglobin and myoglobin

c)

insulin and glucagon

d)

actin and myosin

109.

What is the role of calcium ions in muscle contraction?

a)

Calcium ions inhibit the binding of troponin to actin, preventing muscle contraction.

b)

Calcium ions bind to troponin, causing a conformational change that moves tropomyosin away from the myosin-binding sites on actin.

c)

Calcium ions directly bind to myosin, causing muscle contraction.

d)

Calcium ions have no role in muscle contraction.

110.

What is the name of the neurotransmitter that stimulates muscle contraction?

a)

Acetylcholine

b)

Serotonin

c)

Dopamine

d)

GABA

111.
Smooth muscle and cardiac muscle are considered _____ muscles because we can’t control them consciously.
a)
Immovable
b)
Involuntary
c)
Skeletal
d)
none of the above
112.
A ______ is a strong connective tissue that attaches muscle to bone.
a)
Tendon
b)
Ligament
c)
Cartilage
113.

What is shown in the colored part of this diagram?

a)

a whole muscle

b)

five muscle fibers

c)

five muscle fascicles

d)

five myofibrils

114.

What is labeled "4" (the blue/purple part) in the diagram?

a)

sarcolemma

b)

sarcoplasmic reticulum

c)

transverse tubules

d)

myofibril

115.

Name the following in order from largest to smallest:

a)

muscle, muscle fascicle, muscle cell, myofibril, filaments

b)

muscle, muscle fascicle, muscle cell, filaments, myofibril

c)

muscle, muscle cell, muscle fascicle, myofibril, filaments

d)

muscle, muscle cell, muscle fascicle, filaments, myofibril

116.

What is the length between Z-lines of an actin molecule called?

a)

fascicle

b)

sarcomere

c)

myosin binding site

d)

sarcoplasmic length

117.

____________ attaches to actin to form the cross bridge.

a)

Troponin

b)

Tropomyosin

c)

Myosin

d)

Calcium

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