HUMAN ANATOMY AND
PHYSIOLOGY EXAM QUESTIONS
AND CORRECT ANSWERS
The characteristic that allows muscles to pull on bones and
organs to create movement is called ______.
conductivity
excitability
contractility
metabolism
contractility
Because skeletal muscle is under the conscious control it is
said to be ______.
involuntary
voluntary
visceral
smooth
voluntary
Muscles that are not under conscious control are said to be
______.
,voluntary
involuntary
involuntary
Muscle fibers are bundled together into fascicles by which
connective tissue layer?
Epimysium
Perimysium
Endomysium
Perimysium
Muscle cells contain ... , a red pigment that stores oxygen
needed for muscular activity.
myoglobin
What is the ability of muscle cells to shorten called?
Conductivity
Excitability
Elasticity
Contractility
Contractility
The protein found in muscle cells that stores and then releases
oxygen when needed is called ... .
myoglobin
, Skeletal muscle exhibits alternating light and dark bands called
... .
striations
Which membranous structures conduct impulses through the
sarcoplasm to stimulate the release of calcium?
Troponin
T-tubules
Sarcomeres
Myosin
T-tubules
Which are not attached to bones?
Involuntary muscles
Striated muscles
Skeletal muscles
Voluntary muscles
Involuntary muscles
The sarcoplasmic reticulum releases calcium through gated
channels when the T-tubules are stimulated.
True
False
True
PHYSIOLOGY EXAM QUESTIONS
AND CORRECT ANSWERS
The characteristic that allows muscles to pull on bones and
organs to create movement is called ______.
conductivity
excitability
contractility
metabolism
contractility
Because skeletal muscle is under the conscious control it is
said to be ______.
involuntary
voluntary
visceral
smooth
voluntary
Muscles that are not under conscious control are said to be
______.
,voluntary
involuntary
involuntary
Muscle fibers are bundled together into fascicles by which
connective tissue layer?
Epimysium
Perimysium
Endomysium
Perimysium
Muscle cells contain ... , a red pigment that stores oxygen
needed for muscular activity.
myoglobin
What is the ability of muscle cells to shorten called?
Conductivity
Excitability
Elasticity
Contractility
Contractility
The protein found in muscle cells that stores and then releases
oxygen when needed is called ... .
myoglobin
, Skeletal muscle exhibits alternating light and dark bands called
... .
striations
Which membranous structures conduct impulses through the
sarcoplasm to stimulate the release of calcium?
Troponin
T-tubules
Sarcomeres
Myosin
T-tubules
Which are not attached to bones?
Involuntary muscles
Striated muscles
Skeletal muscles
Voluntary muscles
Involuntary muscles
The sarcoplasmic reticulum releases calcium through gated
channels when the T-tubules are stimulated.
True
False
True
