ATI RN
ATI Pharmacology Proctored Exam
1. A client has a new prescription for atenolol. Which of the following findings should the nurse instruct the client to monitor for as an adverse effect of this medication?
- A. Tachycardia
- B. Hypoglycemia
- C. Bradycardia
- D. Hypertension
Correct answer: C
Rationale: Atenolol is a beta-blocker that works by slowing down the heart rate. An adverse effect of atenolol is bradycardia, characterized by a slower than normal heart rate. The nurse should instruct the client to monitor for signs of bradycardia, such as a slow heart rate, while taking atenolol. Therefore, the correct answer is to monitor for bradycardia. Tachycardia (Choice A) is not an expected adverse effect of atenolol as it actually reduces heart rate. Hypoglycemia (Choice B) is not a typical adverse effect of atenolol. Hypertension (Choice D) is not an adverse effect of atenolol, as atenolol is commonly used to manage hypertension.
2. A client has a new prescription for combination oral NRTIs for the treatment of HIV. Which of the following statements should the nurse include in discharge teaching?
- A. These medications work by inhibiting enzymes to prevent HIV replication.
- B. These medications work by preventing protein synthesis within the HIV cell.
- C. These medications work by weakening the cell wall of the HIV virus.
- D. These medications work by blocking HIV entry into cells.
Correct answer: A
Rationale: The correct answer is A. NRTI antiretroviral medications inhibit the enzyme reverse transcriptase, which is essential for HIV replication. By blocking this enzyme, the medications prevent the virus from replicating and spreading. This mechanism of action helps to control the progression of HIV infection in the body. Choices B, C, and D are incorrect because NRTIs do not work by preventing protein synthesis, weakening the cell wall of the virus, or blocking HIV entry into cells. These mechanisms are associated with different classes of antiretroviral medications used in HIV treatment.
3. What is the antidote for copper toxicity?
- A. Glucagon
- B. Aminocaproic acid
- C. Atropine
- D. Penicillamine
Correct answer: D
Rationale: Penicillamine is the specific chelating agent used for copper toxicity. It forms stable complexes with copper, which are then excreted in the urine. Glucagon is used for treating hypoglycemia, aminocaproic acid is used to treat bleeding disorders, and atropine is used as an antidote for certain types of poisoning, such as organophosphate toxicity.
4. A client is to receive Tetracaine before a Bronchoscopy. Which of the following actions should the nurse include in the plan of care?
- A. Keep the client NPO until the pharyngeal response returns.
- B. Monitor the insertion site for a hematoma.
- C. Palpate the bladder to detect urinary retention.
- D. Maintain the client on bed rest for 12 hours following the procedure.
Correct answer: A
Rationale: The correct action for the nurse to include in the plan of care is to keep the client NPO until the pharyngeal response returns. Tetracaine can affect the gag reflex, so it is important to prevent aspiration by maintaining the client NPO until the pharyngeal response is normal, which typically takes about 1 hour. Monitoring for the return of the gag reflex is crucial to prevent complications from aspiration during the first oral intake after the procedure. Choices B, C, and D are incorrect because they are not directly related to the effects of Tetracaine or the bronchoscopy procedure.
5. A staff educator is reviewing medication dosages and factors that influence medication metabolism with a group of nurses at an in-service presentation. Which of the following factors should the educator include as a reason to administer lower medication dosages? (Select all that apply.)
- A. Increased renal secretion
- B. Increased medication-metabolizing enzymes
- C. Liver failure
- D. Peripheral vascular disease
Correct answer: C
Rationale: Liver failure impairs metabolism, leading to increased medication concentrations. When liver function is compromised, lower dosages are necessary to prevent adverse effects. Increased renal secretion is not a reason for lower medication dosages, as it primarily affects excretion rather than metabolism. Increased medication-metabolizing enzymes would usually require higher dosages to achieve the desired effect. Peripheral vascular disease does not directly impact medication metabolism or dosage requirements.
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