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Worksheetsmicroscopic anatomy of muscle tissue
Total questions: 35
Worksheet time: 2hrs 45mins
The dark area on a myofibril where the actin and myosin filaments overlap is the
H-band
I-band
A-band
Z-line
The light area of a sarcomere that contains only thin filaments is the
H-band
I-band
A-band
Z-line
The center of a sarcomere is the
I-band
H-band
A-band
Z-line
The point of attachment for thin filaments that separates one sarcomere from another is the
H-band
I-band
A-band
Z-line
Thin filaments are known as
actin
myosin
Thick filaments are known as
actin
myosin
To become weaker due to a lack of use is
elasticity
extensibility
atrophy
irritability
The type of muscle found in the heart
cardiac muscle
skeletal muscle
smooth muscle
visceral muscle
The ability to become shorter is known as
elasticity
extensibility
contractility
irritability
Contact points between thick and thin filaments are known as
cross bridges
H-bands
striations
Z-lines
A prefix meaning in, within
endo
epi
ecto
peri
A prefix meaning upon, above
endo
epi
ecto
peri
A sheath of fibrous connective tissue that covers each skeletal muscle is the
endomysium
epimysium
perimysium
fasciculi
Bundles of muscle fibers separated by connective tissue are
epimysium
endomysium
fasciculi
perimysium
The two kinds of strands that make up a myofibril are known as
sarcolemma
myolemma
plasmolemma
myofilaments
The component bundles of individual muscle fibers (cells) are known as
myofilaments
myofibrils
sarcolemma
sarcomeres
The study of muscles is called
muscology
sarcology
mixology
myology
A prefix meaning "around" is
endo
peri
ecto
epi
The thin sheath of fibrous connective tissue that covers the fasciculi is called the
epimysium
endomysium
sarcomysium
perimysium
The actual cell membrane of a muscle fiber (cell) is the
perimysium
epimysium
sarcolemma
sarcomere
The functional unit of contraction which extends from one Z-line to the next is the
sarcomere
sarcolemma
sarcoplasm
sarcophagus
Which of the following is voluntary muscle tissue?
Which of the following is visceral muscle tissue?
Which of the following is cardiac muscle tissue?
The cytoplasm in a muscle cell is known as
ectoplasm
endoplasm
sarcoplasm
neoplasm
The ability for a muscle to receive and respond to stimuli is known as
contractility
atrophy
elasticity
irritability
The state of continuous partial contraction is known as
muscle tone
tetanus
twitching
contractility
Which of the following are sites of muscle attachments? (select all that apply)
bones
cartilage
connective tissue coverings
Which of the following are characteristics of skeletal muscle cells? (select all that apply)
striated
cylindrical
multinucleate
contain intercalated discs
Which of the following are characteristics of smooth muscle cells? (select all that apply)
non-striated
cylindrical
multinucleate
contain intercalated discs
Which of the following are characteristics of cardiac muscle cells? (select all that apply)
non-striated
branching cells
mononucleate
contain intercalated discs
Using oxygen to produce energy is known as
lactic acid fermentation
anaerobic respiration
photosynthesis
aerobic respiration
Myofilaments slide and muscles shorten creating movement in
isotonic contraction
isometric contractions
The volume of oxygen required after exercise to oxidize the lactic acid formed during exercise is know as
oxygen debt
lactic acid rephosphorylation
lactic acidosis
aerobic respiration
The energy "currency" of muscles cells is known as
adenosine triphosphate
adonine triptophan
adrenaline threonine
adnoidal tryptomyacin
