If the systolic pressure is 120 mm Hg and the diastolic pressure is 90 mm Hg, what is the mean arterial pressure (MAP)?
a. 30 mm Hg
b. 80 mm Hg
c. 100 mm Hg
d. 210 mm Hg
Answer: c. 100 mm Hg
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Which of the following combining forms means own?
A. corne/o B. propri/o C. presby/o D. retin/o
Large numbers of mitochondria, interposed between basal infoldings of the plasma membrane, are found in:
a. Intercalated ducts b. Mucous acini c. Myoepithelial cells d. Serous acini e. Striated ducts
IgM immunoglobulin
a. serves as the B-cell surface receptor for antigen attachment b. is found in milk and tears c. mediates common allergies such as hay fever, asthma, and hives d. is the most abundant antibody produced by plasma cells e. is specific for viral invaders