Nokea
A patient needs to receive 500 mL of IV fluid over 4 hours. The drop factor of the IV tubing is 15 gtt/mL. What is the flow rate in drops per minute?
- A. 31 gtt/min
- B. 42 gtt/min
- C. 62 gtt/min
- D. 75 gtt/min
Correct Answer: A
Rationale: Flow rate = (500 mL 15 gtt/mL) ÷ (4 60) = 7,500 ÷ 240 = 31.25 gtt/min, rounded to 31 gtt/min.
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Which drug reference contains drug monographs that describe all drugs in a therapeutic class?
- A. Drug Facts and Comparisons
- B. Drug Interaction Facts
- C. Handbook on Injectable Drugs
- D. Martindale-The Complete Drug Reference
Correct Answer: A
Rationale: Drug Facts and Comparisons contains drug monographs that describe all drugs in a therapeutic class. Monographs are formatted as tables to allow comparison of similar products, brand names, manufacturers, cost indices, and available dosage forms.
The decision may be made to switch from twice daily neutral protamine Hagedorn (NPH) insulin to insulin glargine to improve glycemia control throughout the day. If this is done:
- A. The initial dose of glargine is reduced by 20% to avoid hypoglycemia
- B. The initial dose of glargine is 2 to 10 units per day
- C. Patients who have been on high doses of NPH will need tests for insulin antibodies
- D. Obese patients may require more than 100 units per day
Correct Answer: A
Rationale: Switching to glargine reduces the dose by 20% to prevent hypoglycemia due to its steady action vs. NPH peaks.
Isotonic lactated Ringer's solution is indicated in all of the following conditions EXCEPT:
- A. Dehydration
- B. Liver diseases
- C. Acute blood loss
- D. Lower GIT fluid loss
Correct Answer: B
Rationale: Lactated Ringer's can exacerbate liver disease due to impaired lactate metabolism.
What aspect of pharmacology does a nurse study? (Select one that does not apply.)
- A. Adverse and anticipated drug effects
- B. Molecular pharmacology
- C. Impact of drugs on the body
- D. The body's response to a drug
Correct Answer: B
Rationale: Nurses study pharmacology from a pharmacotherapeutic level, which includes the effect of drugs on the body, the body's response to drugs, and both expected and unexpected drug effects. Chemical and molecular pharmacology (Options A and B) are not included in nursing pharmacology courses.
Abrupt withdrawal of beta blockers can be life threatening. Patients at highest risk for serious consequences of rapid withdrawal are those with:
- A. Angina
- B. Coronary artery disease
- C. Both 1 and 2
- D. Neither 1 nor 2
Correct Answer: C
Rationale: Patients with angina and CAD are at high risk for rebound effects like myocardial infarction.