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IRMAK GRADE 11-SKELETAL- MUSCULAR

Total questions: 18

Worksheet time: 9mins

Name
Class
Date
1.
Calcium:
a)
causes ATP binding to actin
b)
increases the action potential along the sarcolemma
c)
binds to proteins on myosin
d)
triggers the binding of myosin to actin
2.

Actin filaments are bound to the edges of the sarcomere, also known as the...

a)

M-Line

b)

H-Zone

c)

Z-Line

d)

A-Band

3.
The outside of the bone is called the _____.
a)
periosteum
b)
cancellous
c)
marrow
d)
compact
4.
_____ causes the growth of long bones during childhood.
a)
Epiphyseal plates
b)
Periosteum
c)
Endosteum
d)
Medulla
5.
The human skeleton can be subdivided into two parts. What part is made up of the skull, sternum, vertebral column and rib cage?
a)
appendicular
b)
axial
6.

Which is not a function of the skeletal system?

a)

Protection of organs

b)

Storage of blood

c)

Synthesis of needed materials

d)

Heat generation

7.
ATTACHES MUSCLE TO BONE.
a)
TENDON
b)
LIGAMENT
8.
HOW MANY BONES ARE THERE IN THE SKELETAL SYSTEM?
a)
176
b)
206
9.
CONNECTS BONE TO BONE
a)
TENDON
b)
LIGAMENT
10.
TYPE OF JOINT THAT CAN'T MOVE. FOUND IN SKULL.
a)
HINGE
b)
FIXED
11.

Part of the bone that manufactures red blood cell.

a)

Spongy Bone

b)

Red bone marrow

c)

Compact bone

d)

Joint

12.
Which of the following is NOT a type of muscle?
a)
Rough
b)
Smooth
c)
Cardiac
d)
Skeletal
13.

a place where two or more bones meet

a)

joint

b)

cartilage

c)

marrow

d)

tendon

14.

a disease in which bones become breakable and thin

a)

calcium deficiency

b)

osteoporosis

c)

periosteum

d)

muscular atrophy

15.

Smooth Muscle is found in the?

a)

Heart

b)

Facial

c)

Organs

d)

Legs

16.

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

17.

Muscles that oppose one another are

a)

synergist

b)

hateful

c)

prime movers

d)

antagonists

18.

What are the three types of muscle tissues?

a)

Skeletal, Red, White

b)

Cardiac, Smooth, Skeletal

c)

Red, White, Blue

d)

Cardiac, Skeletal, Red