Which electrolyte should the nurse monitor carefully when administering furosemide (Lasix)?
a. Calcium
b. Potassium
c. Phosphate
d. Magnesium
ANS: B
All the listed electrolytes may be lost with furosemide therapy, but the one of most concern is potassium that can cause cardiac complications when out of balance.
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Which food or beverage should a patient with a history of migraine headaches avoid?
a. milk c. tomatoes b. aged cheese d. beans
Why is a large refusal rate a barrier to widespread generalization? (Select all that apply.)
a. If a study has a refusal rate higher than thirty percent, it is no longer considered research. b. If researchers cannot recruit subjects into their research studies, their credibility and ethics are under serious scrutiny. c. The actual sample is not representative of the population. It is representative only of the elements of the population that chose to participate. d. If many persons refuse to participate, they might refuse to participate in interventions that the study recommends.
OA nurse is conducting an admission assessment on a patient with a new diagnosis of AIDS. The nurse demonstrates a caring demeanor by
1. Closing the door to the patient's room. 2. Asking the patient questions at the nurse's station. 3. Delivering nursing care as rapidly as possible to allow the patient more time alone. 4. Refraining from telling the patient why he or she needs to ask personal questions.
Which level of measurement communicates the most information?
a. Nominal b. Ordinal c. Interval d. Ratio