WorksheetsSarcomere Anatomy
Total questions: 21
Worksheet time: 30mins
Name
Class
Date
1.
A sarcomere is
a)
A protein filament or fiber
b)
The basic contractile unit of muscle contraction
c)
An organelle
d)
An organ
2.
Sarcomeres are found on
a)
Fascicles
b)
Muscle Fibers
c)
Myofibrils
d)
Actin and Myosin Filaments
3.
The part of the sarcomere that A (green) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
4.
The part of the sarcomere that B (Orange) refers to is the?
a)
Z Line
b)
M Line
c)
H Line
d)
A Line
5.
The part of the sarcomere that C (Blue) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
6.
The part of the sarcomere that D (Red) refers to is the?
a)
Actin
b)
Myosin
c)
Troponin
d)
Tropomyosin
7.
What zone/band of the sarcomere is represented by yellow.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
8.
What zone/band of the sarcomere is represented by pink.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
9.
What zone/band of the sarcomere is represented by light brown.
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
10.
Which zone/band consists of Actin and the Z line?
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
11.
Which zone/band consists of Actin and Mysoin ?
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
12.
Which zone/band consists of Myosin and the M line?
a)
I Zone/Band
b)
A Zone/Band
c)
H Zone/Band
d)
M Zone/Band
13.
What state is the sarcomere in #1
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
14.
What state is the sarcomere in #2
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
15.
What state is the sarcomere in #3
a)
Relaxed
b)
Contracting
c)
Fully Contracted
d)
None of the above
16.
What happens to the H zone during a sarcomere contraction?
a)
It disappears
b)
It gets closer together
c)
It gets bigger
d)
None of these
17.
What happens to the A zone during a sarcomere contraction?
a)
It disappears
b)
It gets closer together
c)
It gets bigger
d)
None of these
18.
What happens to the Z lines during a sarcomere contraction?
a)
It disappears
b)
gets closer together
c)
It gets bigger
d)
None of these
19.
What happens to the I zones during a sarcomere contraction?
a)
It disappears
b)
gets closer together
c)
It gets bigger
d)
None of these
20.
The striations found on skeletal muscle fibers are created by zones of the sarcomere. Which zone creates the dark bands of a muscle fiber?
a)
A zone
b)
H Zone
c)
Both A and H Zone
d)
I zone
21.
The striations found on skeletal muscle fibers are created by zones of the sarcomere. Which zone creates the light bands of a muscle fiber?
a)
A zone
b)
H Zone
c)
Both A and H Zone
d)
I zone
100 %
