ATI RN
ATI Pharmacology
1. When 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. Dyspnea can indicate pulmonary toxicity, a severe adverse effect of trastuzumab. It is crucial for the client to report any breathing difficulties promptly to ensure timely intervention and prevent further complications. Choices B, C, and D are incorrect because constipation, tinnitus, and dry mouth are not commonly associated with trastuzumab therapy and are not indicative of serious adverse effects that require immediate attention.
2. What is pharmacodynamics?
- A. The medical reference summarizing standards of drug purity, strength, and directions for synthesis
- B. The drug's actions at receptor sites and the physiological, chemical, and behavioral effects produced by these actions
- C. The maximum response that a drug can produce
- D. Movements of the drugs throughout the body
Correct answer: B
Rationale: Pharmacodynamics refers to the drug's actions at receptor sites and the physiological, chemical, and behavioral effects produced by these actions. It involves understanding how drugs interact with the body at the molecular level to produce their effects, including mechanisms of action, receptor binding, and downstream physiological responses. Choice A is incorrect because it describes pharmacopeia, which is a reference book containing standards for drugs. Choice C refers to efficacy, which is the maximum effect a drug can produce. Choice D describes pharmacokinetics, which focuses on the movement of drugs within the body.
3. A healthcare professional is educating a client who is starting therapy with topotecan. Which of the following findings should the professional instruct the client to report?
- A. Hair loss
- B. Fatigue
- C. Sore throat
- D. Red urine
Correct answer: C
Rationale: The correct answer is C: 'Sore throat.' Clients starting therapy with topotecan should be instructed to report a sore throat because it can indicate an infection due to the immunosuppressive effects of the medication. Infections can be serious in clients undergoing chemotherapy, so early detection and treatment are crucial to prevent complications. Choices A, B, and D are incorrect because while they are potential side effects of topotecan, they are usually not as immediately concerning as a sore throat, which could signal a serious infection requiring prompt attention.
4. A client is taking oral Oxycodone and Ibuprofen. The nurse should identify that an interaction between these two medications will cause which of the following findings?
- A. A decrease in serum levels of ibuprofen, possibly leading to a need for increased doses of this medication.
- B. A decrease in serum levels of oxycodone, possibly leading to a need for increased doses of this medication.
- C. An increase in the expected therapeutic effect of both medications.
- D. An increase in expected adverse effects for both medications.
Correct answer: C
Rationale: The interaction between oxycodone and ibuprofen results in an increase in the expected therapeutic effect of both medications. Oxycodone is a narcotic analgesic, while ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID). They work through different mechanisms but complement each other in pain management. When taken together, they can enhance the pain-relieving effects of each other, providing better pain relief for the client.
5. What is one therapeutic use for nitroglycerin?
- A. Relief or prevention of anginal attacks
- B. Diuresis and mobilization of excess fluid
- C. Decreasing nausea and vomiting
- D. Relief of anxiety
Correct answer: A
Rationale: Nitroglycerin is primarily used for the relief or prevention of anginal attacks. It works by dilating blood vessels, increasing blood flow and oxygen to the heart muscle, thereby relieving chest pain caused by angina. The medication is not indicated for diuresis, antiemetic effects, or anxiety relief. Therefore, choices B, C, and D are incorrect as they do not reflect the therapeutic use of nitroglycerin.
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