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WorksheetsA&P Unit 5 Muscles Review
Total questions: 55
Worksheet time: 28mins
What muscle is the arrow pointing toward?
biceps brachii
trapezius
brachioradialis
triceps
What muscle is the arrow pointing to?
pectoralis major
serratus anterior
external oblique
rectus abdominis
What muscle is the arrow pointing to?
Biceps brachii
Triceps
Deltoid
Teres major
Latissimus Dorsi
Trapezius
Deltoids
External Oblique
Rectus abdominus
External Oblique
Erectors
Satorius
Trapezius
Frontalis
Deltoid
Pectoralis major
Soleus
Rectus femoris
Tibialis Anterior
Gastrocnemius
Gluteus major
Gluteus minor
Biceps femoris
Soleus
Latissimus Dorsi
Trapezius
Triceps
Deltoid
Smooth muscle can be found in the:
Intestines
Heart
Biceps
Brain
temporalis
masseter
frontalis
orbicularis oculi
Trapezius
Orbicularis oris
Sternocleidomastoid
Masseter
What connects muscles to bones?
cartilage
tendons
ligaments
flexors
Found in the walls of hollow organs; also called visceral
smooth
cardiac
skeletal
all
Use to move materials through contractions
smooth
cardiac
skeletal
all
Name the following in order from largest to smallest:
muscle, muscle fascicle, muscle cell, myofibril
muscle, myofibril, fascicle, muscle cell
muscle, muscle cell, muscle fascicle, myofibril
myofibril, muscle, muscle cell, muscle fascicle
What is the contractile unit of a muscle called?
fascicle
sarcomere
myosin binding site
sarcoplasmic length
____________ attaches to actin to form the cross bridge.
Troponin
Tropomyosin
Myosin
Calcium
Which of the following is NOT a function of the muscular system?
production of red blood cells
generation of heat
protection of organs
movement
Has intercalated discs (Choose all that applies)
skeletal
smooth
cardiac
Are spindle shaped (Choose all that applies)
skeletal
smooth
cardiac
Involuntary (Choose all that applies)
skeletal
smooth
cardiac
Contracts (Choose all that applies)
skeletal
smooth
cardiac
(Choose all that applies)
skeletal
smooth
cardiac
(Choose all that applies)
skeletal
smooth
cardiac
The origin is the part where the muscle
begins
ends
attaches that moves during contraction
attaches that does not move during contraction
These muscles: Gluteus maximus, gluteus minimus, teres major, and teres minor were named for
location of muscle
function of muscle
direction of muscle fibers
size of muscle
shape of muscle
These muscles: deltoid, trapezius were named for
location of muscle
function of muscle
direction of muscle fibers
size of muscle
shape of muscle
These muscles: sternocleidomastoid, brachioradialis were named for
location of muscle
location of origin and insertion
direction of muscle fibers
size of muscle
shape of muscle
These muscles: biceps, triceps, quadriceps were named for
location of muscle
location of origin and insertion
direction of muscle fibers
size of muscle
number of origins
These muscles: adductor longus, digitorum extensor, digitorum flexor were named for
location of muscle
location of origin and insertion
function of muscle
size of muscle
number of origins
Which of these events must occur first to trigger the skeletal muscle to generate an action potential and contract?
sodium ions rush into the cell
acetylcholine (Ach) is released by the nerve cell
diffusion of calcium ions
ATP is attached to the myosin head
Calcium ions join with to trigger the to move off the myosin binding sites on the actin.
thick filaments, thin filaments
troponin, tropomyosin
tropomyosin, troponin
actin, myosin
The muscle contracts as a result of
a shortening of the thick filaments
shortening of the thin filaments
a sliding of the thin filaments past the thick ones
“accordion-like” folding of the thick and thin filaments
Acetylcholine is a
neurotransmitter that triggers the release of Ca2+ from the sarcolemma
neurotransmitter that triggers the release of Ca2+ from the sarcoplasmic reticulum
chemical that binds to tropomyosin
chemical binds to troponin
The thick filament is made up of
myosin
actin
troponin
tropomyosin
The breakdown of this chemical causes the myosin head to release the actin
ATP
ADP + P
calcium ions
Acetylcholine
What occurs during the power stroke?
The myosin head releases the actin filament
The myosin head pulls the actin filament in toward the center
The myosin head pulls the actin filament in toward the edges
The myosin head attaches to the actin filament
A crossbridge is formed when the
calcium ions join with the troponin
acetylcholine crosses the neuromuscular junction
calcium ions flood through the T tubules
myosin heads join with the actin filament
The actin filament is lined with the following material
troponin and tropomyosin
sarcolemma
ATP and calcium ions
acetylcholine
During a muscle contraction, the _______ pulls the _____ toward the_______.
actin; myosin; Z-Line
myosin; actin; Z-Line
actin; myosin; M-Line
myosin; actin; M-Line
The steps of the muscle contraction are
1, 2, 3, 4, 5, 6
6, 5, 4, 3, 2, 1
4, 3, 6, 1, 5, 2
4, 3, 5, 6, 1, 2
This step describes the power stroke
1
2
3
4
5
Once the impulse is triggered in the sarcolemma, the impulse then moves
to the t-tubules which connect to the sarcoplasmic reticulum
directly to the sarcoplasmic reticulum
to the actin
to the myosin
The _________anchor the _________at either ends of the sarcomere while the ________ is centered along the __________.
Z-line; actin; myosin; M-line
Z-line; myosin; actin; M-line
M-line; actin; myosin; Z-line
M-line; myosin; actin; Z-line
Bundles of myofibrils make up a
muscle
muscle fascicle
endomysium
muscle fiber
What type of connective tissue wraps a fascicle
endosteum
endomysium
perimysium
epimysium
Muscles grow as a result of
more muscle fibers being made
myofibrils being broken and being repaired with thicker and more myofibrils
more fascicles being formed
adding more connective tissue like the perimysium
A _________ is also called a muscle cell and it is surrounded by a cell membrane called____.
myofibril; sarcoplasmic reticulum
muscle fiber; sarcoplasmic reticulum
myofibril; sarcolemma
muscle fiber; sarcolemma
