A bruit differs from a murmur in that a bruit:
A. represents widespread arteriosclerosis.
B. is a benign physiologic abnormality.
C. is auscultated over a main blood vessel.
D. indicates turbulent blood flow in the heart.
Ans: C. is auscultated over a main blood vessel.
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A bacterium called Helicobacter pylori is the most common cause of a peptic __________.
Fill in the blank(s) with the appropriate word(s).
A system of membranous channels and saccules that runs from the nuclear membrane through the cytoplasm is the
A. endoplasmic reticulum. B. Golgi apparatus. C. mitochondria. D. nucleolus.
Primary lymphatic organs include the
A. tonsils and spleen. B. thymus and lymph nodes. C. red bone marrow and thymus. D. red bone marrow and lymph nodes.
If a resting potential becomes more negative, the membrane is
A) depolarized. B) repolarized. C) summated. D) hyperpolarized.