ATI RN
ATI Pharmacology Proctored Exam 2024
1. A client who has been taking prednisone to treat asthma is advised to discontinue the medication. The client should be instructed to reduce the dose gradually to prevent which of the following adverse effects?
- A. Hyperglycemia
- B. Adrenocortical insufficiency
- C. Severe dehydration
- D. Rebound pulmonary congestion
Correct answer: B
Rationale: Abruptly stopping prednisone can result in adrenocortical insufficiency due to suppression of the adrenal glands. Gradually tapering the dose helps the body adjust and resume its natural cortisol production, preventing adrenal insufficiency. Choice A, hyperglycemia, is a possible adverse effect of prednisone, but it is not the primary reason for gradual tapering. Severe dehydration (Choice C) and rebound pulmonary congestion (Choice D) are not typically associated with discontinuing prednisone.
2. What is the action of Nitroglycerin?
- A. Dilates the Bronchi
- B. Reduces Blood Glucose
- C. Reduces Nausea
- D. Dilates Coronary Arteries
Correct answer: D
Rationale: Nitroglycerin acts by dilating the coronary arteries, leading to increased blood flow and oxygen supply to the heart. This helps in relieving angina symptoms by reducing the heart's workload and improving blood supply to the myocardium. Choices A, B, and C are incorrect because Nitroglycerin's primary action is not related to dilating bronchi, reducing blood glucose, or reducing nausea.
3. When administering the drug senna to a patient, what must a health care provider inform the patient of?
- A. This drug is intended to lower blood pressure and is best used in combination with other antihypertensives
- B. This drug is not intended for long-term use
- C. The patient must limit his/her fiber intake
- D. Advise the patient to change positions slowly to limit the risk of orthostatic hypotension
Correct answer: B
Rationale: The correct answer is B. Senna is a laxative used for short-term relief of constipation, not for long-term use. Choice A is incorrect because senna does not lower blood pressure or require combination with antihypertensives. Choice C is unrelated as there is no need to limit fiber intake with senna. Choice D is incorrect as orthostatic hypotension is not a common concern with senna use.
4. A healthcare professional in a provider's clinic is caring for a client who reports erectile dysfunction and requests a prescription for sildenafil. Which of the following medications currently prescribed for the client is a contraindication to taking sildenafil?
- A. Isosorbide
- B. Phenytoin
- C. Metronidazole
- D. Prednisone
Correct answer: A
Rationale: Sildenafil is contraindicated with nitrates like isosorbide due to the risk of severe hypotension. Isosorbide is a nitrate that can potentiate the hypotensive effects of sildenafil, leading to a dangerous drop in blood pressure. Therefore, it is essential to avoid concurrent use of isosorbide and sildenafil to prevent adverse effects. Phenytoin, metronidazole, and prednisone do not have significant interactions with sildenafil and are not contraindicated when used together.
5. A client has a new prescription for Hydroxychloroquine to treat Lupus Erythematosus. Which of the following adverse effects should the nurse include in the teaching?
- A. Nausea
- B. Hair loss
- C. Eye damage
- D. Drowsiness
Correct answer: C
Rationale: The correct answer is 'C: Eye damage.' Hydroxychloroquine can cause severe adverse effects on the eyes, such as retinopathy, which can lead to permanent visual impairment. It is essential for clients to be aware of this potential adverse effect and report any changes in vision promptly. Choices A, B, and D are incorrect because although nausea, hair loss, and drowsiness can occur with Hydroxychloroquine, they are not as severe or critical as the risk of eye damage.
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