Bios-252: Exam 1 ||Verified Exam!!!|| Most Recent
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Excitability of the muscles means what?
A. Muscle cells take up ions, producing an electrical
current along the cell.
B. Muscle cells are able to return to their original length.
C. Muscle cells, once contracted, cannot relax.
D. There is no change to the length of the muscle cell. -
Answer-A. Muscle cells take up ions, producing an
electrical current along the cell.
Which function of muscle is best described as helping to
maintain posture and preventing unwanted movements?
A. Mobilizing substances within the body
B. Stabilizing body positions
C. Generating heat
D. Storing glucose - Answer-B. Stabilizing body positions
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Muscles have the ability to shorten. This is known as
______________.
A. electrical excitability
B. contractility
C. extensibility
D. elasticity - Answer-B. contractility
Which is a function of skeletal muscle?
A. Moves bones and the skin of the face
B. Moves blood in blood vessels
C. Pumps blood from the heart into the blood vessels
D. Moves substances within a tube (example: peristalsis) -
Answer-A. Moves bones and the skin of the face
Which characteristics are common to both cardiac and
smooth muscle? Select all that apply.
A. Uninucleated
B. Striated
C. Involuntary
D. Long
E. Found in the heart - Answer-A. Uninucleated
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C. Involuntary
Which type of muscle tissue would best be described as
long, thin, cylindrical, multinucleated, and voluntary?
A. Smooth muscle
B. Skeletal muscle
C. Non-striated muscle
D. Cardiac muscle - Answer-B. Skeletal muscle
Which is not a function of muscle tissue?
A. Stabilizes body positions
B. Generates heat
C. Produces body movements
D. Fights off infection - Answer-D. Fights off infection
What are the types of striated muscle?
A. Cardiac and smooth
B. Skeletal and cardiac
C. Smooth only
D. Skeletal and smooth - Answer-B. Skeletal and cardiac
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Which types of muscle are involuntary?
A. Skeletal only
B. Skeletal and smooth
C. Cardiac and smooth
D. Skeletal and cardiac - Answer-C. Cardiac and smooth
Smooth muscle is responsible for what movements?
A. Contraction of the heart
B. Stretching the arm
C. Moving food with the small intestine
D. Moving the neck to see on the right side - Answer-C.
Moving food with the small intestine
A ring-like band of muscle made of smooth muscle that will
stop the flow of contents from one organ to another is
known as what?
A. Sphincter
B. Aponeurosis
C. Tendon
D. Valve - Answer-A. Sphincter