Nokea
Serum digoxin levels are monitored for potential toxicity. Monitoring should occur:
- A. Within 6 hours of the last dose
- B. Because a reference point is needed in adjusting a dose
- C. After three half-lives from the starting of the drug
- D. When a patient has stable renal function
Correct Answer: C
Rationale: Monitoring after three half-lives (steady state) ensures accurate therapeutic levels.
You may also like to solve these questions
Which of the following is natural mineralcorticoid:
- A. Methylprednisolone
- B. Betamethasone
- C. Triamcinolone
- D. Aldosterone
Correct Answer: D
Rationale: Aldosterone is the primary natural mineralocorticoid, regulating sodium and potassium balance.
The nurse would expect to see an adjusted dosage in what patients? (Select one that does not apply.)
- A. Young adult women
- B. older adults
- C. Infants
- D. Neonates
Correct Answer: A
Rationale: Infants, neonates, and older adults require dosage adjustments due to differences in metabolism and organ function.
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 nurse is assessing a client who is taking Amiodarone to treat Atrial Fibrillation. Which of the following findings is a manifestation of Amiodarone toxicity?
- A. Light yellow urine
- B. Report of tinnitus
- C. Productive cough
- D. Blue-gray skin discoloration
Correct Answer: C
Rationale: Productive cough may indicate pulmonary toxicity, a serious amiodarone side effect.
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.