A grant proposal for a study into the effects of cognitive behavioral therapy (CBT) on the anxiety of patients recently diagnosed with human immunodeficiency virus (HIV) will use a recently developed instrument to measure patients' anxiety
A member of the research team, however, has expressed concern about the validity of the instrument. Which of the following facts would raise doubts about the validity of the instrument?
A) It is unclear that the instrument consistently measures anxiety when used repeatedly.
B) The instrument is potentially unusable with members of other cultures.
C) The instrument appears to measure both fear and anxiety, not anxiety alone.
D) There is a high level of preknowledge about anxiety that is required of users.
C
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What technique should you use when measuring a liquid drug in a medicine cup to ensure an accurate dose?
a. Hold the cup at eye level while pouring the drug. b. Hold the cup below eye level while pouring the drug. c. Hold the cup above eye level while pouring the drug. d. Use a syringe to draw up the drug and then place it in the medicine cup.
Why is chemotherapy considered "systemic" treatment for cancer?
a. The dosage of chemotherapy is based on weight or square meters. b. The drugs are all cytotoxic and can cause serious harm if given at the wrong dose. c. It attacks rapidly dividing cells rather than cells that are either slowly dividing or not dividing. d. It circulates throughout the body and exerts its effects wherever the cells are located.
Electrical and chemical influences make it possible for nerve impulses to occur. The nurse educator asks a student nurse to describe the resting potential of the nerve impulse
Based on this information, what would be the best explanation of the resting potential by the student nurse? 1 . Nerve cell at rest 2 . Plasma membrane more positive on outside 3 . Sodium moves inside membrane, followed by potassium 4 . Plasma membrane more positive on inside A) 1, 2 B) 1, 4 C) 2, 3 D) 3, 4
Leukemia is a(n)
A) infection of the blood. B) cancer of the blood. C) decreased number of blood vessels. D) elevated blood pressure.