Nokea
A nurse is caring for an older adult client who has a new prescription for Digoxin and takes multiple other medications. The nurse should recognize that concurrent use of which of the following medications places the client at risk for Digoxin toxicity?
- A. Phenytoin
- B. Verapamil
- C. Warfarin
- D. Aluminum hydroxide
Correct Answer: B
Rationale: Verapamil increases digoxin levels by reducing clearance, risking toxicity.
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When assessing a patient prior to starting a drug regimen it is often necessary to have a baseline kidney function study done. What might kidney impairment indicate in relation to drug therapy?
- A. Pharmacodynamics stable at the therapeutic dose
- B. Contraindication to the use of a drug
- C. Increased dosage of a drug
- D. Decreased adverse effects of a drug
Correct Answer: B
Rationale: Kidney impairment may contraindicate certain drugs due to reduced clearance, risking toxicity.
A nurse is reinforcing teaching for a client regarding how to mix regular insulin and NPH insulin in the same syringe. Which of the following actions, if performed by the client, indicates the need for further teaching?
- A. Withdraws the NPH insulin first
- B. Withdraws the regular insulin first
- C. Injects air into NPH insulin vial first
- D. Injects an amount of air equal to the desired dose of insulin into the vial
Correct Answer: A
Rationale: When preparing a mixture of regular insulin with another insulin preparation, the regular insulin is drawn into the syringe first. This sequence will avoid contaminating the vial of regular insulin with insulin of another type. Options 2, 3, and 4 identify the correct actions for preparing NPH and regular insulin.
Which is a 5HT-receptor agonist?
- A. Ondansetron
- B. Ketanserine
- C. Sumatriptan
- D. Risperidone
Correct Answer: C
Rationale: Sumatriptan is a 5-HT1D agonist used in migraine.
A nurse is preparing to administer Haloperidol 2 mg PO every 12 hr. The amount available is haloperidol 1 mg/tablet. how many tablets should the nurse administer? (Round the answer to the nearest whole number. Do not use a trailing zero.)
- A. 2
- B. 6
- C. 1
- D. 8
Correct Answer: A
Rationale: Calculation: 2 mg ÷ 1 mg/tablet = 2 tablets, matching the provided answer.
Cost-effectiveness analysis compares two or more treatments or programs that are:
- A. Not necessarily therapeutically equivalent
- B. Considered equal in efficacy
- C. Compared with the dollar value of the benefit received
- D. Expressed in terms of patient preference or quality-adjusted life years
Correct Answer: A
Rationale: Cost-effectiveness analysis evaluates treatments that may differ in efficacy.