NEW
Font size
S
M
L
XL
WorksheetsMicroscopic Muscle Anatomy
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
The Light I Band consists of...
a)
Myosin filaments only
b)
Actin filaments only
c)
Myosin and actin filaments
d)
none of the above
2.
The functional unit of the muscle cell is the:
a)
Sarcomere
b)
Osteon
c)
Myofilament
d)
Muscle fiber
3.
The thick filament is composed of:
a)
Myosin
b)
Actin
4.
The thin filament is composed of:
a)
Myosin
b)
Actin
5.
Fill-in-the-blank! Muscle, Fascicle, _____, Myofibril
a)
Muscle fiber
b)
Myofilament
c)
Sarcomere
d)
Actin
6.
Actin filaments our bound to the edges of the sarcomere, also known as the...
a)
M-Line
b)
H-Zone
c)
Z-Disc
d)
A-Band
7.
The ________ functions in regulation of Ca2+ levels.
a)
Sarcoplasmic Reticulum
b)
T Tubules
c)
Mitochondria
d)
Fascicle
8.
___ and ___ are regulatory proteins bound to actin.
a)
Troponin and tropomyosin
b)
Myosin and actin
c)
Calcium and Oxygen
d)
Glycogen and hemoglobin
9.
Which of the following is NOT a function of the muscular system?
a)
Heat production
b)
Joint stability
c)
Movement
d)
Communication
10.
Which of the following muscle types is NOT striated?!
a)
Smooth
b)
Skeletal
c)
Cardiac
d)
All of the above are striated
Reset
