Nokea
Identify poor metabolizers of tamoxifen
- A. Not provided in document
- B. Not provided in document
- C. Not provided in document
- D. Not provided in document
Correct Answer: C
Rationale: This question lacks options, but the answer key (ANS: 3) indicates the third choice. Poor metabolizers of tamoxifen can be identified through CYP2D6 genotyping, as this enzyme converts tamoxifen to its active metabolite.
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Human papillomavirus (HPV) vaccine (Gardasil, Cervarix):
- A. Is a live virus vaccine that provides immunity to six strains of HPV virus
- B. Has a common adverse effect of syncope within 15 minutes of giving the vaccine
- C. Should not be given to males younger than age 12 years
- D. May be given to pregnant women
Correct Answer: B
Rationale: HPV vaccine commonly causes syncope post-injection; it's not live , is approved for males 9+ , and is avoided in pregnancy .
The nurse receives an order to administer an unfamiliar medication and obtains a nurses drug guide published four years earlier. What is the nurses most prudent action?
- A. Find a more recent reference source.
- B. Use the guide if the drug is listed.
- C. Ask another nurse for drug information.
- D. Verify the information in the guide with the pharmacist.
Correct Answer: A
Rationale: The nurse is responsible for all medications administered and must find a recent reference source to ensure the information learned about the medication is correct and current. Using an older drug guide could be dangerous because it would not contain the most up-to-date information. Asking another nurse or the pharmacist does not guarantee accurate information will be obtained and could harm the patient if the information is wrong.
A drug which does not produce any action by itself but decreases the slope of the log dose-response curve and suppresses the maximal response to another drug is a...
- A. Physiological antagonist
- B. Competitive antagonist
- C. Noncompetitive antagonist
- D. Partial agonist
Correct Answer: C
Rationale: Noncompetitive antagonists reduce maximal response (efficacy) without shifting potency, matching the description.
A nurse is teaching the family of a child who has Cystic Fibrosis and a new prescription for Acetylcysteine. Which of the following information should the nurse include in the instructions?
- A. Expect this medication to suppress your cough.
- B. Expect this medication to smell like rotten eggs.
- C. Expect this medication to cause euphoria.
- D. Expect this medication to turn your urine orange.
Correct Answer: B
Rationale: Acetylcysteine has a sulfur-like odor , a notable characteristic to prepare the family for.
Art is a 55-year-old smoker who has been diagnosed with angina and placed on nitrates. He complains of headaches after using his nitrate. An appropriate reply might be:
- A. This is a parasympathetic response to the vasodilating effects of the drug.
- B. Headaches are common side effects with these drugs. How severe are they?
- C. This is associated with your smoking. Let's work on having you stop smoking.
- D. This is not related to your medication. Are you under a lot of stress?
Correct Answer: B
Rationale: Headaches are a common nitrate side effect due to vasodilation.