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WorksheetsMuscular System
Total questions: 56
Worksheet time: 28mins
Name
Class
Date
1.
Muscle tissue that has voluntary regulation of contraction is
a)
cardiac muscle
b)
smooth muscle
c)
skeletal muscle
d)
cardiac and skeletal
2.
The plasma (cell) membrane of a muscle is called the
a)
sarcoplasm
b)
sarcolemma
c)
sarcoplasmic reticulum
d)
sarcomere
3.
Which of the following does not describe cardiac muscle tissue?
a)
voluntary
b)
uninucleate cells with striations
c)
involuntary
d)
rhythmic contractions
4.
The picture is of
a)
skeletal muscle and is voluntary
b)
cardiac muscle and is involuntary
c)
smooth muscle and is voluntary
d)
smooth muscle and is involuntary
5.
The muscle tissue type that consists of single, very long, cylindrical, multinucleate cells with very obvious striations is
a)
cardiac
b)
smooth
c)
skeletal
d)
cardiac and skeletal
6.
This type of membrane is found in between each fascicle wrapping each is called the
a)
aponeurosis
b)
endomysium
c)
epimysium
d)
perimysium
7.
The striations that give skeletal muscle its characteristic striped appearance are produced, for the most part, by
a)
a difference in thickness of the sarcolemma
b)
the position of the myosin heads
c)
the sarcoplasmic reticulum
d)
the arrangement of the actin and myosin filaments
8.
Which of the following is not a function of the muscular system?
a)
balance, support, and posture
b)
generate heat
c)
creation of action potentials
d)
produce movement
9.
During skeletal muscle contraction, myosin cross bridges attach to the active sites of
a)
actin filaments
b)
myosin filaments
c)
the H zone
d)
thick filaments
10.
The functional unit of a muscle cell is called the
a)
sarcomere
b)
sarcolemma
c)
sarcoplasm
d)
sarcoplasmic reticulum
11.
The specialized network of membranes found in skeletal muscle responsible for calcium ion (Ca+2) storage is
a)
sarcomere
b)
sarcolemma
c)
sarcoplasm
d)
sarcoplasmic reticulum
12.
The site of association where an axon terminal of a nerve cell and the skeletal muscle’s sarcolemma meet up is called the
a)
motor unit
b)
neuromuscular junction
c)
action potential
d)
synaptic cleft
13.
Acetylcholine (ACh) is
a)
an oxygen-binding protein.
b)
an ion pump found where the nerve and muscle cell meet.
c)
a neurotransmitter that stimulates the skeletal muscle.
d)
a source of energy for muscle contraction.
14.
The mechanical force for contraction of muscle is generated by
a)
shortening of thin filaments
b)
a sliding of thin filaments past thick ones
c)
an accordion-like folding of filaments
d)
shortening of thick filaments
15.
Creatine phosphate (CP) functions within the muscle cell by
a)
breaking a phosphate bond in ATP to form ADP.
b)
adding a phosphate bond to ADP to make ATP.
c)
using glucose without oxygen to form lactic acid and 2 ATPs.
d)
using glucose with oxygen to make 36 ATPs, CO2, and H2O.
16.
Which of the following muscles are antagonistic pairs?
a)
biceps brachii and triceps brachii
b)
masseter and temporalis
c)
vastus medialis and vastus lateralis
d)
biceps femoris and biceps brachii
17.
Which of the following energy supply methods provides the greatest amount of ATP through its chemical reactions?
a)
anaerobic respiration and lactic acid formation
b)
aerobic respiration
c)
direct phosphorylation of ADP from CP
18.
Which of the following muscle actions would not be considered an isotonic contraction?
a)
writing a letter
b)
tying your shoe
c)
throwing a ball
d)
pushing against a stationary wall
19.
Anaerobic respiration (breakdown of glucose) occurs without
a)
ATP
b)
glucose
c)
lactic acid
d)
oxygen
20.
A skeletal muscle twitch differs from muscle tetanus in that
a)
the twitch is brief and jerky while the tetanus is prolonged and continuous.
b)
tetanus is considered abnormal while twitch is considered a normal muscle response.
c)
tetanus is caused by a single stimulus while twitch is caused by very rapid, multiple stimuli.
d)
the tetanus is brief and jerky while the twitch is prolonged and continuous.
21.
Which of the following energy supply methods provides the greatest amount of ATP through its chemical reactions?
a)
anaerobic respiration and lactic acid formation
b)
aerobic respiration
c)
direct phosphorylation
d)
none of these
22.
Serves as the "go" signal for muscle contraction and is normally stored in the sarcoplasmic reticulum.
a)
potassium ions
b)
calcium ions
c)
sodium ions
d)
enzymes
23.
These are responsible for breaking down/destroying acetylcholine (Ach).
a)
calcium ions
b)
enzymes
c)
potassium ions
d)
sodium ions
24.
Type of neurotransmitter released at the motor end plates by the motor neuron.
a)
calcium
b)
Acetylcholine (Ach)
c)
potassium
d)
sodium
25.
A metabolic pathway that produces water, carbon dioxide and 36 AT
Ps per glucose molecule in the presence of oxygen.
Ps per glucose molecule in the presence of oxygen.
a)
aerobic respiration
b)
anaerobic respiration
26.
A high energy molecule found in the muscle fibers which is used to convert ADP to ATP by the transfer of a high energy phosphate group.
a)
ADP
b)
ATP
c)
creatine phosphate (CP)
d)
glucose
27.
Moving a limb away from the midline of the body
a)
abduction
b)
adduction
28.
Moving a limb toward the midline of the body
a)
abduction
b)
adduction
29.
A movement that increases the angle or the distance between two bones or parts of the body.
a)
extension
b)
flexion
30.
A movement that decreases the angle of the joint and brings the two closer together
a)
extension
b)
flexion
31.
Rotation that occurs when you rotate your palm up and the radius and ulna are parallel to one another.
a)
pronation
b)
supination
32.
Rotation that occurs when you rotate your palm down and the radius rotates over the ulna.
a)
pronation
b)
supination
33.
To turn the sole of the foot laterally.
a)
eversion
b)
inversion
34.
To turn the sole of the foot medially.
a)
eversion
b)
inversion
35.
Pointing your toes/standing on your tip toes
a)
dorsiflexion
b)
plantar flexion
36.
Standing on your heels
a)
dorsiflexion
b)
plantar flexion
37.
Movement of a bone around its longitudinal axis/shaking your head "no"
a)
circumduction
b)
rotation
38.
A combination of flexion, extension, abduction, and adduction movements in a particular joint
a)
circumduction
b)
rotation
39.
Identify 2 and 3.
a)
endomysium
b)
fascicle covered with perimysium
c)
epimysium
d)
muscle fiber
40.
Identify 5.
a)
endomysium
b)
fascicle covered with perimysium
c)
epimysium
d)
muscle fiber
41.
Identify 7.
a)
endomysium
b)
fascicle covered with perimysium
c)
epimysium
d)
muscle fiber
42.
Identify 1.
a)
muscle fiber
b)
fascicle
c)
tendon
d)
ligament
43.
Identify the area which shows the A band.
a)
1
b)
3
c)
6
d)
7
44.
The thin filament (actin) is shown by
a)
1
b)
2
c)
3
d)
4
45.
The central area of the A band called the H zone is shown at number
a)
1
b)
3
c)
6
d)
7
46.
The I band where only thin filaments are shown is at letter
a)
1
b)
3
c)
7
d)
8
47.
Identify A.
a)
biceps
b)
ligament
c)
triceps
d)
tendon
48.
Identify B.
a)
biceps
b)
ligament
c)
triceps
d)
tendon
49.
Identify C.
a)
biceps
b)
ligament
c)
triceps
d)
tendon
50.
Identify D.
a)
biceps
b)
ligament
c)
triceps
d)
tendon
51.
Serves as the go signal for muscle contraction.
a)
K+ ions
b)
Na+ ions
c)
Ca+2 ions
d)
water
52.
A neurotransmitter released at the motor end plates by the motor neuron.
a)
creatine phosphate
b)
calcium ions
c)
ACh (acetylcholine)
d)
enzymes
53.
Normally stored in the sarcoplasmic reticulum.
a)
K+ ions
b)
Na+ ions
c)
water
d)
Ca+2 ions
54.
A metabolic pathway that produces H2O, CO2, and 36 ATPs per glucose molecule in the presence of O2.
a)
aerobic respiration
b)
anaerobic respiration
55.
A reserve high energy compound used to convert ADP to ATP by the transfer of a high energy phosphate group.
a)
glucose
b)
ATP
c)
Ca+2 ions
d)
creatine phosphate
56.
A form of cellular respiration which does not require oxygen and make very little ATP (only 2 ATP per glucose molecule). In humans, lactic acid fermentation is a type of this which occurs when muscles run out of oxygen. It allows you to feel the burn.
a)
aerobic
b)
anaerobic
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