Osteoporosis is more severe than osteopenia.
Indicate whether the statement is true or false
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Question 2) The region of a lymph node through which blood vessels and nerves pass is called the
A) nodule. B) hilum. C) capsule. D) sinus.
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Question 3) The formed elements in the blood are
A) mostly red blood cells.
B) about equal numbers of red blood cells, white blood cells, and platelets.
C) mostly platelets.
D) mostly white blood cells.
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Question 4) Cardiac muscle
A) is only in the heart. B) contracts as a syncytium.
C) excites itself. D) all of the above.
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Question 5) Impulses that the vagus nerve carries to the heart
A) are parasympathetic and increase heart rate.
B) are sympathetic and decrease heart rate.
C) are parasympathetic and decrease heart rate.
D) are sympathetic and increase heart rate.
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Question 6) Nodes of Ranvier lie between neurons.
Indicate whether the statement is true or false
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Question 7) Aphasia is loss of the ability to
A) think. B) move the hands.
C) walk. D) speak.
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Question 8) Men and women begin to lose bone at the same rate by about age 70.
Indicate whether the statement is true or false
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Question 9) Stephanie has her cancerous right breast removed, and the surgeon also removes lymph
nodes in the axillary region, to prevent spread of the cancer. As a result, Stephanie's right
arm
A) receives too much blood and swells. B) becomes edematous.
C) loses tissue fluid. D) loses its blood supply.
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Question 10) The correct sequence of parts that carry cardiac impulses is
A) AV node, AV bundle, Purkinje fibers, SA node
B) AV node, SA node, Purkinje fibers, AV bundle
C) SA node, AV node, AV bundle, Purkinje fibers
D) SA node, Purkinje fibers, AV node, AV bundle
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