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WorksheetsMuscular system Review
Total questions: 25
Worksheet time: 14mins
what connective tissue surrounds the fascicle
endomysium
perimysium
epimysium
What are the functions of the muscular system (select al that apply)
hematopoiesis
produce movement
stabilizing joints
generate heat
which of the following are composed of myosin
sarcomere
z line
thick filament
thin filament
What is the layer of connective tissue that surrounds the entire skeletal muscle?
perimysium
epimysium
endomysium
myofibril
What is calcium's role for muscle contraction
expose myosin binding sites on the actin
release the inhibition of z line
cause ATP binding cites
increase the action potential transmitted along the sarcolemma
What is the neuromuscular junction called in between muscle and nervous cells?
neurotransmitter
motor unit
synaptic cleft
motor neuron
After the power stroke has occurred, calcium will...
leave the cell by diffusion
be reabsorbed into the sarcoplasmic reticulum
actively pumped into the extracellular fluid for storage until the following muscle contraction
be destroyed by cholinesrase
what is the sources of energy for muscle contractions?
ADP
Glucose
Simple sugars
Creatine phosphate, ATP
What are the rules that muscles follow? (check all that apply)
muscles have to attach at two points at least
Muscle fibers run in the direction of pull from the muscle.
Muscles must cross to joints
Muscle can only pull
What is the name of this muscle
triceps brachii
biceps brachii
pectoralis major
trapezius
What is the name of this muscle
pectoralis major
biceps brachii
trapezius
triceps brachii
What is the name of the muscle highlighted in red
triceps brachii
pectoralis major
trapezius
latissimus dorsi
while a muscle is contracting, myosin cross bridges attach to active sites on the...
z lines
actin filaments
myosin filaments
thick filaments
a muscle group pairing called ______ , create opposite or opposing movements.
antagonistic
balancing
protagonistic
balancing
What structure in the body is made of smooth muscle
biceps brachii
gluteus maximus
esophagus
tongue
Smooth Muscle Is _____
involuntary/ striated
Voluntary/ nonstriated
Voluntary/ striated
involuntary/ non-striated
What are some of the ways that muscle groups are named in Latin
size in relation to other muscles in the group
location on the body
number of attachment points
color
what type of contraction occurs when the muscle shortens and elongates?
isotonic
isometric
what type of muscle contraction occurs when there is no change in the length of the muscle?
isometric
isotonic
which energy system uses ATP and creatine phosphate
phosphagen system
glycogen system
aerobic system
Which energy system does the body use 2nd and that it uses blood glucose, muscle, and liver glycogen?
phosphagen system
glycogen system
aerobic system
what muscle is highlighted in green?
pectoralis major
trapezius
biceps brachii
triceps brachii
what is the muscle that is being shown?
masseter
frontalis
temporalis
sternocleidomastoid
what muscle is being shown in green?
masseter
sternocleidomastoid
frontalis
temporalis
what muscle is being highlighted in green?
gluteus maximus
sartorius
gastrocnemius
rectus addominus
