True/False Indicate whether the
statement is true or false.
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1.
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(5 points) The circulatory system in humans is
considered to be a closed circuit.
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2.
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(5 points) All chambers of the heart pump at the
exact same time.
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3.
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(5 points) The blood from the right side of the
heart is pumped to the lungs and is referred to as pulmonary circulation.
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4.
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(5 points) Arteries carry blood away from the
heart.
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Multiple Choice Identify the
choice that best completes the statement or answers the question.
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5.
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(5 points) Contraction of the heart is known
as.....
a. | tricuspid | b. | bicuspid | c. | systole | d. | diastole |
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6.
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(5 points) The ______________ _______________
is often referred to as the pacemaker of the heart.
a. | sinoatrial node | c. | bundle of His | b. | atrioventricular node | d. | Purkinje fibers |
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7.
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(5 points) A normal ECG tracing has three very
characteristic deflections or waves. Which below is NOT one of those waves or deflections?
a. | P Wave | c. | J Wave | b. | QRS Complex | d. | T Wave |
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Numeric Response
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8.
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(5 points) There are ____ chambers in the human
heart.
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Completion Complete each
statement.
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9.
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(5 points) The covering or sac surrounding the heart
is known as the ______________ and consists of two layers of fibrous tissue with a small space in
between.
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10.
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(5 points) The lower chambers of the heart are known
as _______________.
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11.
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(5 points) The valve that is located between the
left atrium and the left ventricle is called the _______________ valve.
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12.
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(5 points) An ECG is the graphic record of the
heart’s electrical activity. ECG stands for.......
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13.
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(5 points) The largest artery in the body is the
__________.
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14.
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(5 points) One major structural difference between
arteries and veins is the veins contain one-way _________ which help prevent the backflow of the
blood.
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15.
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(5 points) When your blood pressure is measured,
they quote two numbers. “120 over 80” is considered normal. 120 represents the
____________ pressure (when the ventricles compress) and the 80 represents the diastolic pressure
(when the ventricles relax).
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