Which of the following drugs is CORRECTLY paired with its ECG effects?
- A. Lidocaine; decreased QRS and PR intervals
- B. Metoprolol: increased QRS duration
- C. Flecainide: increased PR, QRS, and QT intervals
- D. Verapamil: increased PR interval
Correct Answer: D
Rationale: Verapamil slows AV conduction, increasing PR interval.
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A nurse is caring for a client who is taking Propylthiouracil. For which of the following adverse effects of this medication should the nurse should be correct
- A. Bradycardia
- B. Insomnia
- C. Heat intolerance
- D. Weight loss
Correct Answer: A
Rationale: Propylthiouracil can cause bradycardia as a rare side effect, requiring monitoring.
A nurse is reading a journal article about seasonal allergies and comes across the name of the drug loratadine. The nurse identifies this drug name as which of the following?
- A. Chemical
- B. Generic
- C. Trade
- D. Brand
Correct Answer: B
Rationale: The generic name is the name given to a drug that can be made or marketed by any company and is the name given to the drug by the FDA. The chemical name is the scientific term that describes the molecular structure of the drugs, typically the chemical components. The trade or brand name of the drug is the name selected by a specific company for marketing purposes and is followed by a trademark symbol or registered trademark symbol.
A nurse is assessing a client who takes Lithium Carbonate for the treatment of Bipolar disorder. The nurse should recognize which of the following findings as a possible indication of toxicity to this medication?
- A. Severe hypertension
- B. Coarse tremors
- C. Constipation
- D. Muscle spasm
Correct Answer: B
Rationale: Coarse tremors are a common sign of lithium toxicity, indicating neurological effects.
The nursing students are learning about the half-life of drugs. A student asks the instructor to explain half-life. What is the instructor's best response?
- A. Half-life of a drug is the time it takes for the amount of drug in the body to decrease to half of the peak level it previously achieved.
- B. Half-life is the amount of time it takes for the drug to be metabolized by the body.
- C. Half-life is the amount of time it takes for half of the drug to reach peak level in the body.
- D. Half-life of a drug is the time it takes for the drug to reach half its potential peak level in the body.
Correct Answer: A
Rationale: The half-life of a drug is the time it takes for the amount of drug in the body to decrease to half the peak level it previously achieved. Therefore Options B, C, and D are not correct.
Which drug(s) would be considered to be in the category Schedule II? (Select all that apply.)
- A. Marijuana
- B. Morphine
- C. Amphetamines
- D. Fiorinal
Correct Answer: C
Rationale: Percodan and amphetamines are Schedule II drugs with high abuse potential. Marijuana is Schedule I, Fiorinal is Schedule III.