The liquid portion of the blood to which an anticoagulant has been added for a particular chemistry test is known as:
A) serum.
B) plasma.
C) buffy coat.
D) whole blood.
B
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Stimulation of the histamine (H1 ) receptors often results in:
A) vasodilation and increased vascular permeability. B) increased gastric acid release. C) inhibition of antibody production. D) bronchodilation.
Which of the following is TRUE of elderly Americans?
A) The fastest-growing segment of the elderly population is 65 to 75 years old. B) Individuals over age 75 are considered "old-old." C) The numbers of elderly people are increasing, but they are decreasing in proportion to the total population. D) The elderly are not only living longer, they are living healthier, more active lives.
When a person's diaphragm contracts and the intercostal muscles pull the ribs upward, which one of the following will occur?
A) Oxygen will leave the body. B) Air will flow into the lungs. C) Pressure inside the chest will increase. D) Carbon dioxide will be exhaled.
Before ulcer surgery, a patient is prescribed glycopyrrolate 200 mcg IM. On hand is glycopyrrolate 0.2 mg per mL. How many milliliters contain the correct dose?
A. 0.2 mL B. 0.5 mL C. 1 mL D. 1.5 mL