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Worksheets

Muscular System

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of these is NOT a major task of the muscular system?

a)

Movement for your body

b)

Maintaining posture

c)

Heat production for the body

d)

   Making red blood cells

2.

    Which of the following words means “the ability to recoil or bounce back to the original shape”?

a)

excitability

b)

contractability 

c)

extensibility

d)

 elasticity

3.

    Which type of muscle is involuntary and makes up many of your internal organs?

a)

skeletal

b)

smooth

c)

 gastrointestinal

d)

 cardiac

4.

   Which type of muscle(s) is/are nonstriated?

a)

Skeletal Muscle

b)

Cardiac Muscle

c)

Smooth Muscle

5.

    Which membrane covers an individual muscle fiber?

a)

Endomysium

b)

Epimysium

c)

Perimysium

d)

Myomesium

6.

    When Calcium ions enter the neuromuscular junction, what neurotransmitter is released across the synaptic cleft?

a)

Calcium

b)

K+

c)

Na+

d)

Acetycholine

7.

    What attaches muscle to bone?

a)

Ligaments

b)

Tendons

c)

Sliding Filaments

d)

Sarcomeres

8.

When you do sit-ups, your rectus abdominus is the _________________ and the latissimus dorsi is the

a)

insertion; origin

b)

origin; insertion         

c)

    antagonist; prime mover

d)

prime mover; antagonist

9.

   How much ATP is used in each myosin/actin cross-bridge cycle?

a)

1

b)

2

c)

4

d)

3

10.

    When you become out of breath and your muscles begin to burn during a workout, this is caused by

a)

lack of oxygen

b)

lack of sodium

c)

lack of calcium

d)

lack of glucose

11.

    During rigor mortis, __________ floods the muscle fibers but a lack of ____________ prevents them from detaching.

a)

Calcium, ATP

b)

ATP, Calcium

c)

oxygen, ATP

d)

ATP, oxygen

12.

Comes in from a nerve cell to remove molecules blocking active sites

a)

Calcium

b)

ATP

c)

Oxygen

d)

Actin

13.

Prepares a myosin head for its power stroke

a)

Calcium

b)

ATP

c)

Oxygen

d)

Epimysium

14.

Myofilament that is essential to muscle contraction

a)

Sarcoplasmic reticulum

b)

Oxygen

c)

ATP

d)

Epimysium

15.

Essential to making plenty of ATP in cellular respiration

a)

Oxygen

b)

ATP

c)

Actin

d)

Calcium

16.

Outer membrane found around the belly of the muscle

a)

Epimysium     

b)

Oxygen

c)

ATP

d)

calcium

17.

Myofilament that is essential to muscle contraction

a)

Actin

b)

ATP

c)

Oxygen

d)

Calcium

18.

The deltoid is attached to the clavicle and the humerus. 

a)

clavicle

b)

 humerus

c)

Both

19.

What was the name of Stephen Hawkin's first wife?

a)

Jane

b)

Elaine

c)

Jennifer

d)

Maria

20.

When was Stephen Hawking diagnosted with ALS

a)

in high school

b)

in college

c)

after graduating college

d)

during his childhood