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Before administering a prescription medication, what information does the nurse find on the drug label? (Select all that apply.)
- A. Brand name
- B. Generic name
- C. Drug concentration
- D. Adverse effects
Correct Answer: D
Rationale: Prescription drug labels will contain the brand name, generic name, drug concentration, and expiration date. Adverse effects will not be listed on drug labels.
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The home health care nurse is visiting a client who was recently diagnosed with type 2 diabetes mellitus. The client is prescribed repaglinide (Prandin) and metformin (Glucophage) and asks the nurse to explain these medications. The nurse should reinforce which instructions to the client?(Select one that does not apply.).
- A. Diarrhea can occur secondary to the metformin.
- B. The repaglinide is not taken if a meal is skipped.
- C. The repaglinide is taken 30 minutes before eating.
- D. Candy or another simple sugar is carried and used to treat mild hyperglycemia episodes.
Correct Answer: D
Rationale: Repaglinide is a rapid-acting oral hypoglycemic agent that stimulates pancreatic insulin secretion that should be taken before meals, and that should be withheld if the client does not eat. Hypoglycemia is a side effect of repaglinide and the client should always be prepared by carrying a simple sugar with her or him at all times. Metformin is an oral hypoglycemic given in combination with repaglinide and works by decreasing hepatic glucose production. A common side effect of metformin is diarrhea. Correct answers include: 1, 2, 3, 4.
All of the following are protein bound except:
- A. Propranolol
- B. Atenolol
- C. Phenylbutazone
- D. Warfarin
Correct Answer: B
Rationale: Atenolol has low protein binding; others bind extensively.
Cough and cold medications that contain a sympathomimetic decongestant such as phenylephrine should be used cautiously in what population:
- A. Older adults
- B. Hypertensive patients
- C. Infants
- D. All of the above
Correct Answer: D
Rationale: Sympathomimetic decongestants like phenylephrine can raise blood pressure or cause adverse effects in older adults, hypertensives, and infants.
A pharmaceutical lab states that a drug causes negative side effects in 3 of every 100 patients. To confirm this affirmation, another laboratory chooses 5 people at random who have consumed the drug. What is the probability that at least two experience side effects?
- A. 0.8687
- B. 0.1313
- C. 0.00847
- D. 0.0003
Correct Answer: C
Rationale: The probability of at least two experiencing side effects is P(X≥2) = 1 - [P(X=0) + P(X=1)]. Using binomial calculations: P(X=0) = 0.8687, P(X=1) = (5 choose 1) * 0.03 * 0.97^4 = 0.1342, so P(X≥2) = 1 - (0.8687 + 0.1342) = 0.00847, matching the document.
Scopolamine can be used to prevent the nausea and vomiting associated with motion sickness. The patient is taught to:
- A. Apply the transdermal disk at least 4 hours before the antiemetic effect is desired.
- B. Swallow the tablet 1 hour before traveling where motion sickness is possible.
- C. Place the tablet under the tongue and allow it to dissolve.
- D. Change the transdermal disk daily for maximal effect.
Correct Answer: A
Rationale: Scopolamine patches require 4 hours for onset, making preemptive application key.