ATI RN
ATI Pharmacology
1. A client with tobacco use disorder is being educated about Nicotine replacement therapy. Which statement by the client indicates an understanding of the teaching?
- A. I should avoid eating right before chewing a piece of nicotine gum.
- B. I will need to stop using the nicotine gum after 1 year.
- C. I know that nicotine gum is a safe alternative to smoking during pregnancy.
- D. I must chew the nicotine gum quickly for about 15 minutes.
Correct answer: A
Rationale: The correct answer is A. To maximize the effectiveness of nicotine gum, the client should avoid eating or drinking 15 minutes before and while using it. This helps ensure proper absorption of nicotine through the oral mucosa. Choice B is incorrect because the duration of nicotine gum use can vary depending on the individual's needs and progress. Choice C is incorrect as nicotine gum should be used during pregnancy only under healthcare provider guidance. Choice D is incorrect because nicotine gum should be chewed slowly until a tingling sensation is felt, then parked between the cheek and gum until the tingling stops.
2. When providing teaching to a client starting therapy with trastuzumab, which finding should the nurse instruct the client to report?
- A. Dyspnea
- B. Constipation
- C. Tinnitus
- D. Dry mouth
Correct answer: A
Rationale: The correct answer is A: Dyspnea. The nurse should instruct the client to report dyspnea because it can indicate pulmonary toxicity, a serious adverse effect of trastuzumab. Monitoring and early reporting of respiratory symptoms like dyspnea are essential to prevent further complications and ensure timely intervention. Choices B, C, and D are incorrect because constipation, tinnitus, and dry mouth are not typically associated with trastuzumab therapy and are not priority symptoms that require immediate reporting for this specific medication.
3. A client with deep vein thrombosis has been on heparin continuous infusion for 5 days. The provider prescribes warfarin PO without discontinuing the heparin. The client asks the nurse why both anticoagulants are necessary. Which of the following statements should the nurse make?
- A. Warfarin takes several days to work, so the IV heparin will be used until the warfarin reaches a therapeutic level.
- B. I will call the provider to get a prescription for discontinuing the IV heparin today.
- C. Both heparin and warfarin work together to dissolve the clots.
- D. The IV heparin increases the effects of the warfarin and decreases the length of your hospital stay.
Correct answer: A
Rationale: The correct answer is A because warfarin takes several days to reach a therapeutic level and exert its full anticoagulant effect. During this time, the IV heparin is continued to prevent clotting until the warfarin is effective. Both medications are used together temporarily for this reason. Discontinuing heparin prematurely can increase the risk of clot formation. Therefore, the nurse should explain to the client that the IV heparin will be continued until the warfarin reaches a therapeutic level.
4. When a client is receiving treatment with methotrexate, which supplement should the nurse instruct the client to take?
- A. Folic acid
- B. Vitamin D
- C. Calcium
- D. Iron
Correct answer: A
Rationale: Folic acid supplementation is crucial for clients undergoing methotrexate treatment because methotrexate functions as a folic acid antagonist. By supplementing with folic acid, the risk of methotrexate toxicity can be minimized, improving the treatment's effectiveness and safety. Vitamin D, calcium, and iron are not specifically recommended in conjunction with methotrexate therapy and may not provide the same protective benefits as folic acid.
5. A client with angina is being taught how to use nitroglycerin transdermal ointment. Which instruction should the nurse include?
- A. Remove the prior dose before applying a new dose.
- B. Rub the ointment directly into the skin until it is no longer visible.
- C. Cover the applied ointment with a clean gauze pad.
- D. Apply the ointment to the same skin area each time.
Correct answer: A
Rationale: The correct instruction is to remove the prior dose before applying a new one to prevent toxicity. Nitroglycerin ointment can cause adverse effects if accumulated doses are not removed. Rubbing the ointment until it's not visible or covering it with gauze may alter absorption. Applying it to the same area each time can lead to skin irritation or desensitization.
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