Nokea
A 2-year-old child who weighs 33 pounds is to receive a total daily dose of 25 mg/kg of a medication. It is to be administered in three evenly divided doses. The label reads 150 mg/mL. How many milliliters will be injected per dose?
- A. 0.5 mL
- B. 0.83 mL
- C. 3.75 mL
- D. 155 mL
Correct Answer: B
Rationale: First, convert 33 pounds to kilograms: 33 ÷ 2.2 = 15 kg. Then, calculate daily dose: 15 × 25 = 375 mg. Divide by 3 doses: 375 ÷ 3 = 125 mg/dose. Finally, calculate volume: 125 ÷ 150 = 0.83 mL.
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The nurse is providing education for a client with newly diagnosed tuberculosis. Which statement should be included in the information that is given to the client?
- A. Isolate yourself from others until you are finished taking your medication.'
- B. Follow up with your primary care provider in 3 months.'
- C. Continue to take your medications even when you are feeling fine.'
- D. Continue to get yearly tuberculin skin tests.'
Correct Answer: C
Rationale: The most important piece of information the tuberculosis client needs is to understand the importance of medication compliance, even if no longer experiencing symptoms. Clients are most infectious early in the course of therapy. The numbers of acid-fast bacilli are greatly reduced as early as 2 weeks after therapy begins.
A client who has Hodgkin's disease receives a weekly IV dose of nitrogen mustard. Which nursing order is most appropriate for this client?
- A. Encourage mouth care with an astringent mouthwash and dental floss after every meal
- B. Encourage organ meats and dried beans and peas
- C. Monitor vital signs daily
- D. Encourage fluid intake to 3000 cc
Correct Answer: D
Rationale: Nitrogen mustard causes bone marrow suppression and nausea; high fluid intake helps flush the drug and prevent dehydration.
The elderly client is admitted to the emergency department from a long-term care facility. The client has multiple ecchymotic areas on the body. The client is receiving digoxin, a cardiac glycoside; Lasix, a loop diuretic; Coumadin, an anticoagulant; and Xanax, an antianxiety medication. Which order should the nurse request from the health-care provider?
- A. A STAT serum potassium level.
- B. An order to admit to the hospital for observation.
- C. An order to administer Valium intravenous push.
- D. A STAT international normalized ratio (INR).
Correct Answer: D
Rationale: Ecchymosis with Coumadin suggests bleeding risk; STAT INR assesses anticoagulation status, guiding reversal if needed. Potassium, admission, or Valium are less urgent.
A client is receiving external beam radiation to the mediastinum for treatment of bronchial cancer. Addressing which of the following should take priority in planning care?
- A. Esophagitis
- B. Leukopenia
- C. Fatigue
- D. Skin irritation
Correct Answer: B
Rationale: Leukopenia. Clients develop leukopenia due to the depressant effect of radiation therapy on bone marrow function. Infection is the most frequent cause of morbidity and death in clients with cancer.
An adult client is being treated for genital herpes with acyclovir (Zovirax) tablets. Which statement she makes indicates that she understands her therapy?
- A. It is safe now to have sexual relations.
- B. I will stay home from work until the blisters are gone.
- C. This medicine will cure the herpes infection.
- D. If the blisters come back, I will start taking the pills immediately.
Correct Answer: D
Rationale: Acyclovir reduces symptoms and recurrence of herpes but does not cure it. Starting treatment at recurrence is appropriate.