Anatomy Final Exam
Biol235
How much of the total body weight of an average adult is muscle tissue?
a. 60-70%
b. 20-30%
c. 30-40%
d. 40-50%
e. 50-60%
d. 40-50%
The different types of muscle tissue differ from eac
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Anatomy Final Exam
Biol235
How much of the total body weight of an average adult is muscle tissue?
a. 60-70%
b. 20-30%
c. 30-40%
d. 40-50%
e. 50-60%
d. 40-50%
The different types of muscle tissue differ from each other by
a. microscopic anatomy.
b. location.
c. type of control.
d. both microscopic anatomy and location.
e. All of these choices are correct.
e. All of these choices are correct.
This is the property of muscle that gives it the ability to stretch without damage.
a. electrical excitability
b. thermogenesis
c. extensibility
d. contractility
e. elasticity
c. extensibility
This is the outermost layer of connective tissue surrounding a skeletal muscle.
a. tendon
b. ligament
c. endomysium
d. epimysium
e. perimysium
d. epimysium
The type of tendon formed when the connective tissue elements of a skeletal muscle extend as a
broad flat layer.
a. endomysium
b. perimysium
c. deep fascia
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d. fascicle
e. aponeurosis
e. aponeurosis
In neuromuscular junctions, synaptic vesicles containing acetylcholine are found suspended in
the cytosol of
a. synaptic end bulbs.
b. axon collateral bulbs.
c. tubule bulbs.
d. neuromuscular bulbs.
e. myelin bulbs.
a. synaptic end bulbs.
Which of the following correctly lists the sequence of structures that action potentials must move
through to excite skeletal muscle contraction?
a. axon of neuron, sarcolemma, T tubules
b. muscle fiber, axon of neuron, myofibrils
c. sarcolemma, axon of neuron, T tubules
d. myofibrils, myofilaments, mitochondria
e. T tubules, sarcolemma, myofilament
a. axon of neuron, sarcolemma, T tubules
The contractile organelles of a skeletal muscle fiber are thread-like structures called
a. myofibrils.
b. myoglobin.
c. mitochondria.
d. Z discs.
e. M lines.
a. myofibrils.
Release of calcium from these structures triggers skeletal muscle contraction.
a. myofibrils
b. mitochondria
c. terminal cisterns o
