ATI RN
ATI Pharmacology Quizlet
1. A healthcare provider is administering a Dopamine infusion at a low dose to a client who has severe heart failure. Which of the following findings is an expected effect of this medication?
- A. Lowered heart rate
- B. Increased myocardial contractility
- C. Decreased conduction through the AV node
- D. Vasoconstriction of renal blood vessels
Correct answer: B
Rationale: Dopamine, when administered at a low dose, acts on beta1 receptors in the heart, leading to increased myocardial contractility. This positive inotropic effect results in improved cardiac output, which is beneficial for a client with severe heart failure. Dopamine does not typically cause lowered heart rate, decreased conduction through the AV node, or vasoconstriction of renal blood vessels at low doses.
2. What information should you provide to your patient if they are taking sennosides? Select All That Apply.
- A. Sennosides should be used for short-term therapy
- B. The medication does not cure hypothyroidism
- C. The color of the urine may change to pink, red, violet, yellow, or brown
- D. Make sure to use other forms of bowel regulation
Correct answer: A
Rationale: When educating a patient taking sennosides, it is important to emphasize that these laxatives should be used for short-term therapy only. The medication does not address hypothyroidism, so this information is not relevant. Patients should be informed that the color of their urine may change to various colors like pink, red, violet, yellow, or brown, which is a common side effect of sennosides. It is advisable to incorporate other forms of bowel regulation alongside sennosides for optimal bowel health. Choice A is correct as it provides essential guidance on the duration of sennosides use. Choice B is incorrect because sennosides are not used to cure hypothyroidism. Choice C is correct as it highlights a common side effect of sennosides. Choice D is incorrect because it does not specifically relate to sennosides but rather suggests using other forms of bowel regulation in general.
3. A client with active tuberculosis asks why he must take four different medications. Which of the following responses should the nurse make?
- A. Four medications decrease the risk of a severe allergic reaction.
- B. Four medications reduce the chance that the bacteria will become resistant.
- C. Four medications reduce the risk of adverse reactions.
- D. Four medications decrease the chance of having a positive tuberculin skin test.
Correct answer: B
Rationale: The correct answer is B. When treating tuberculosis, using a combination of medications is crucial to reduce the risk of bacteria developing resistance to any single drug. This approach helps prevent treatment failure and ensures successful treatment outcomes. Choice A is incorrect because the primary purpose of using multiple medications is not related to allergic reactions. Choice C is incorrect as the risk reduction is mainly focused on bacterial resistance rather than adverse reactions. Choice D is not relevant as the purpose of taking multiple medications is not to affect the tuberculin skin test results.
4. A client has a new prescription for Captopril to treat hypertension. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Avoid salt substitutes.
- C. Increase your intake of potassium-rich foods.
- D. Expect a dry cough to develop.
Correct answer: B
Rationale: The correct instruction for the nurse to include is to advise the client to avoid salt substitutes. Salt substitutes often contain potassium, and captopril can cause hyperkalemia. By avoiding salt substitutes, the client can prevent elevated potassium levels and associated complications.
5. Which of the following conditions is not treated with Lansoprazole?
- A. Zollinger-Ellison syndrome
- B. Gastritis
- C. Hypertension
- D. Reflux
Correct answer: C
Rationale: Lansoprazole is a proton pump inhibitor used to treat conditions related to excessive stomach acid production, such as Zollinger-Ellison syndrome, gastritis, and reflux. However, it is not indicated for the treatment of hypertension, which is managed using antihypertensive medications. Therefore, the correct answer is C: Hypertension.
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