ATI RN
ATI Pharmacology
1. A client in a long-term care facility has Hypothyroidism and a new prescription for Levothyroxine. Which of the following dosage schedules should the nurse expect for this client?
- A. The client will start at a high dose, and the dose will be tapered as needed.
- B. The client will remain on the initial dosage during the course of treatment.
- C. The client's dosage will be adjusted daily based on blood levels.
- D. The client will start on a low dose, which will be gradually increased.
Correct answer: D
Rationale: Levothyroxine should be initiated at a low dose and titrated gradually over several weeks to achieve therapeutic levels. This approach helps to minimize the risk of adverse effects, particularly in older adult clients who may be more sensitive to medication changes. Starting at a low dose allows for close monitoring of the client's response and adjustment of the dosage as needed to optimize treatment outcomes. Choice A is incorrect because starting at a high dose can increase the risk of adverse effects and is not the recommended approach. Choice B is incorrect because maintaining the initial dosage throughout the treatment may not achieve optimal therapeutic levels. Choice C is incorrect because adjusting the dosage daily based on blood levels is not the standard practice for initiating Levothyroxine treatment.
2. When educating a patient on taking levothyroxine, a drug used to balance thyroid activity, what should you include in their education?
- A. Don't disregard side effects and consult your healthcare professionals
- B. Take this at the same time every day
- C. Thyroid tests are necessary while taking this drug
- D. It is not recommended to take this drug if you have recently had a myocardial infarction
Correct answer: B
Rationale: The correct answer is to take levothyroxine at the same time every day. Consistent timing helps maintain stable thyroid levels, ensuring the effectiveness of the medication. It is important to establish a routine to optimize its therapeutic benefits. Choice A is incorrect as patients should not ignore side effects but should consult healthcare professionals if they experience any. Choice C is incorrect because thyroid tests may still be necessary to monitor thyroid function while on levothyroxine. Choice D is incorrect as it is not advisable to take levothyroxine if the patient has recently had a myocardial infarction without consulting their healthcare provider.
3. A healthcare professional is administering a Dopamine infusion at a low dose to a client with 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, is expected to increase myocardial contractility by stimulating beta1 receptors. This positive inotropic effect leads to an increase in cardiac output. Therefore, the correct answer is increased myocardial contractility, as it is a desired effect of administering dopamine to a client with severe heart failure.
4. A client has a new prescription for Nifedipine. Which of the following adverse effects should the nurse monitor?
- A. Hypertension
- B. Edema
- C. Hyperglycemia
- D. Bradycardia
Correct answer: B
Rationale: The correct answer is B: Edema. Nifedipine, a calcium channel blocker, can lead to peripheral edema as an adverse effect. The nurse should closely observe the client's lower extremities for any signs of swelling, which could indicate the development of edema. Choice A, Hypertension, is incorrect because Nifedipine is used to treat hypertension, not cause it. Choice C, Hyperglycemia, is unrelated to Nifedipine's common adverse effects. Choice D, Bradycardia, is not typically associated with Nifedipine use.
5. A healthcare professional is preparing to administer Filgrastim for the first time to a client who has just undergone a bone marrow transplant. Which of the following interventions is appropriate?
- A. Administer intravenously to prevent injury.
- B. Ensure that the medication is kept refrigerated until just prior to administration.
- C. Do not shake the vial; gently invert it to mix before withdrawing the dose.
- D. Discard the vial after removing one dose of the medication.
Correct answer: D
Rationale: When administering Filgrastim, only one dose should be withdrawn from the vial, and the vial should then be discarded to prevent any contamination or errors in dosing. It is crucial not to shake the vial but gently invert it to mix the medication before withdrawing the appropriate dose. Refrigeration is not required for Filgrastim; it should be stored at room temperature until just before administration. Choice A is incorrect because Filgrastim is typically administered subcutaneously, not intravenously. Choice B is incorrect as the medication should be stored at room temperature, not refrigerated, until administration. Choice C is incorrect as shaking the vial is not recommended for Filgrastim.
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