How do chemotherapy drugs work to kill or inhibit tumor cells?
a. Increase apoptosis
b. Create holes in the cell surfaces
c. Variety of mechanisms can damage deoxyribonucleic acid (DNA) or interfere with the cell cycle
d. Interfere with protein synthesis
ANS: C
Chemotherapy drugs use a variety of mechanisms that damage DNA or interfere with the cell cycle.
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The normal osmotic pressure in the capillary is
A) 6 mm Hg B) 28 mm Hg C) 9 mm Hg D) 19 mm Hg
What portion of the normal adult blood volume is contained in the heart?
A. 10% B. 15% C. 35% D. 25%
Fibromyalgia is an example of
a. Adaptive plasticity b. Maladaptive plasticity c. Placebo effects d. A cognitive disorder
From a bedside capnograph (CO2 measuring device), you obtain a "dry" gas reading of 5.3% CO2 in a patient's exhaled gas. Given a barometric pressure of 765 mm Hg, what is the partial pressure of CO2 in this patient's exhaled gas?
a. 347 mm Hg b. 41 mm Hg c. 164 mm Hg d. 35 mm Hg