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WorksheetsHB Muscle Quiz
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
During muscle contraction, the myosin heads pull on the actin filaments, causing the actin to slide toward the center of the sarcomere.
a)
True
b)
False
2.
The detachment of myosin heads from actin requires ATP.
a)
True
b)
False
3.
A muscle (such as the lovely gluteus maximus) is made of bundles of fascicles, which are bundles of muscle fibers, which are bundles of myofibrils, which are arrangements of myofilaments.
a)
True
b)
False
4.
Skeletal muscles are not very well supplied with nerves and blood vessels.
a)
True
b)
False
5.
The marathon mouse has been genetically altered as an embryo to produce more mitochondria.
a)
True
b)
False
6.
Which of the following is not a function of muscle tissue?
a)
Heat production
b)
Regulation of organ volume
c)
Vitamin D production
d)
Body movement and position
7.
The pigment in the muscle fibers that stores oxygen is
a)
hemoglobin
b)
myoglobin
c)
melanin
d)
glycogen
8.
Muscle tone is due to
a)
the contraction of muscle fibers in a whole muscle
b)
a small number of muscle units activated
c)
sustained muscle contraction
d)
all of these
9.
Muscle fatigue can be caused by
a)
increased ADP
b)
insufficient oxygen
c)
depletion of creatin phosphate
d)
All of these
10.
A sustained contraction of muscle is called
a)
tetanus
b)
summation
c)
latent period
d)
twitch
11.
Which of the following muscle types is/are striated and involuntary?
a)
skeletal
b)
cardiac
c)
smooth
d)
A & B
12.
A muscle that has 3 origins is called a
a)
bicep
b)
tricep
c)
quadracep
d)
trapezius
13.
Which of the following muscles blinks and closes the eye?
a)
masseter
b)
frontalis
c)
deltoid
d)
obicularis oculi
14.
Which of the following flexes the arm?
a)
Deltoid
b)
Triceps brachii
c)
Masseter
d)
Biceps brachii
15.
All of the following are muscles of the lower limb except:
a)
rectus femoris
b)
vastus lateralis
c)
adductor group
d)
transversus abdominis
16.
The cell membrane of a muscle cell is named
a)
sarcoplasmic reticulum
b)
sarcolemma
c)
sarcoplasm
d)
George
17.
A contraction where the tension of the muscle increases, but the shortening is minimal is called a(n) __________ contraction.
a)
isotonic
b)
isometric
c)
isolated
d)
idiotic
18.
Whole muscle contraction is
a)
sometimes a partial response
b)
is an all or nothing response
c)
is a steady increase in response
d)
is a steady decrease in response
19.
A single contraction of intact muscle is
a)
wave summation
b)
resistence
c)
tetanus
d)
twitch
20.
Which of the following substances are absolutely necessary for muscle contraction?
a)
Potassium
b)
ATP and calcium
c)
ATP and sodium
d)
ADP and phosphate
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