ATI RN
ATI Pharmacology Proctored Exam 2023
1. A client has a new prescription for Warfarin. The nurse should identify that the concurrent use of which of the following medications increases the client's risk of bleeding?
- A. Vitamin K
- B. Calcium carbonate
- C. Acetaminophen
- D. Ranitidine
Correct answer: C
Rationale: The correct answer is Acetaminophen (Choice C). Acetaminophen, especially in high doses, can increase the risk of bleeding in clients taking Warfarin. It can potentiate the anticoagulant effect of Warfarin, leading to an increased risk of bleeding. Vitamin K (Choice A) is actually used to reverse the effects of Warfarin in case of over-anticoagulation, so it does not increase the risk of bleeding. Calcium carbonate (Choice B) and Ranitidine (Choice D) do not significantly interact with Warfarin to increase the risk of bleeding.
2. A client with Graves' disease is being taught about her prescribed medications. Which of the following statements by the client indicates an understanding of the use of Propranolol in the treatment of Graves' disease?
- A. Propranolol helps increase blood flow to my thyroid gland.
- B. Propranolol is used to prevent excess glucose in my blood.
- C. Propranolol will decrease my tremors and fast heart rate.
- D. Propranolol promotes a decrease in thyroid hormone in my body.
Correct answer: C
Rationale: The correct answer is C. Propranolol is a beta-adrenergic antagonist that helps decrease heart rate and control tremors in individuals with Graves' disease. It does not increase blood flow to the thyroid gland (choice A), prevent excess glucose in the blood (choice B), or directly decrease thyroid hormone levels in the body (choice D). Propranolol's primary role in Graves' disease is to alleviate symptoms like tremors and fast heart rate by blocking the effects of excessive thyroid hormone, rather than reducing the actual levels of thyroid hormone in the body.
3. When teaching a client with a new prescription for Sulfasalazine, which instruction should the nurse include?
- A. Expect orange discoloration of urine and skin.
- B. Increase your intake of high-sodium foods.
- C. Take the medication with a full glass of milk.
- D. Expect your stools to be black and tarry.
Correct answer: A
Rationale: The correct instruction to include when teaching a client with a new prescription for Sulfasalazine is to expect orange discoloration of urine and skin. Sulfasalazine can cause this harmless side effect, which does not necessitate discontinuation of the medication. It is crucial for the nurse to educate the client about this expected outcome to prevent unnecessary concern or discontinuation of the medication. Choices B, C, and D are incorrect. Increasing intake of high-sodium foods is not recommended with Sulfasalazine, as it can worsen certain side effects. Taking the medication with a full glass of milk is not necessary for Sulfasalazine administration. Expecting stools to be black and tarry is not an expected side effect of Sulfasalazine.
4. A client is receiving vancomycin. Which of the following laboratory results should be monitored to evaluate the therapeutic effect of this medication?
- A. BUN
- B. Creatinine
- C. Hemoglobin
- D. White blood cell count
Correct answer: B
Rationale: Corrected Rationale: Creatinine levels should be monitored to evaluate vancomycin's effect on kidney function. Vancomycin can be nephrotoxic, so monitoring creatinine levels helps assess renal function and ensure that the medication is not causing harm to the kidneys. Monitoring BUN (choice A) is important for assessing kidney function but is not as specific as monitoring creatinine levels. Hemoglobin (choice C) and white blood cell count (choice D) are not directly related to evaluating the therapeutic effect of vancomycin.
5. A patient states he experiences anxiety and has panic attacks at least once a week. What might be helpful for this patient?
- A. Phenytoin (Dilantin)
- B. Lithium
- C. Alprazolam (Xanax)
- D. Spironolactone
Correct answer: C
Rationale: Alprazolam (Xanax) is a medication commonly prescribed to treat anxiety disorders and panic attacks. It belongs to the class of medications known as benzodiazepines, which work by enhancing the effects of gamma-aminobutyric acid (GABA) in the brain to produce a calming effect. Phenytoin is an antiepileptic drug, not typically used for anxiety or panic attacks. Lithium is primarily used to treat bipolar disorder, not anxiety. Spironolactone is a diuretic primarily used to treat conditions like high blood pressure and heart failure, not anxiety or panic attacks.
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