Which is true of hemoglobin analysis?
A. It is an indirect measure of oxygen-carrying capacity.
B. It measures the red cell volume.
C. It is always determined from an anticoagulated venous blood sample.
D. No stable standard is available.
Answer: A
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Electricity can be represented by the flow of which of the following?
a. Negative ions through a nonconductive path b. Negative ions over a nonconductive circuit c. Electrons through a piece of copper wire d. Electrons in a bidirectional path
In the 1980s, the Centers for Disease Control and Prevention began to grant millions of dollars to ____
A) religious organizations that provided abstinence-only education B) states that mandated HIV/AIDS education C) states that provided a comprehensive approach to teen pregnancy D) public and private schools that provided evidence-based sexuality education