ATI RN
ATI Pharmacology Test Bank
1. A client has a prescription for Heparin. Which of the following laboratory tests should be monitored while the client is receiving Heparin?
- A. Prothrombin time (PT)
- B. Complete blood count (CBC)
- C. International normalized ratio (INR)
- D. Activated partial thromboplastin time (aPTT)
Correct answer: D
Rationale: Activated partial thromboplastin time (aPTT) is the correct laboratory test to monitor while a client is receiving Heparin. This test is used to assess the therapeutic levels of heparin in the blood, ensuring that the dose is within the safe and effective range. Monitoring aPTT helps healthcare providers adjust the dosage of Heparin to prevent complications such as bleeding or clotting.
2. A client is receiving IV Dopamine for the treatment of shock. Which of the following findings indicates that the medication is effective?
- A. Increased heart rate
- B. Decreased blood pressure
- C. Increased urine output
- D. Decreased respiratory rate
Correct answer: C
Rationale: Dopamine is a medication used in shock to increase cardiac output and improve renal perfusion. An increase in urine output indicates that the medication is effective as it shows improved renal perfusion and kidney function, which are essential for managing shock effectively. Choices A, B, and D are incorrect as an increased heart rate, decreased blood pressure, and decreased respiratory rate are not direct indicators of the effectiveness of IV Dopamine in treating shock.
3. When teaching a client with a prescription for Cephalexin, which of the following instructions should the nurse include?
- A. Take the medication with an antacid.
- B. Avoid dairy products while taking this medication.
- C. Expect your stools to turn black.
- D. Complete the full course of medication.
Correct answer: D
Rationale: The correct instruction for a client prescribed with Cephalexin is to complete the full course of medication. This is crucial to ensure the infection is completely treated and to reduce the risk of antibiotic resistance. Choices A, B, and C are incorrect. Taking Cephalexin with an antacid is generally not recommended as it may reduce its effectiveness. While dairy products can interfere with certain antibiotics, they do not have a direct interaction with Cephalexin. Stools turning black is not an expected side effect of Cephalexin.
4. A healthcare professional is preparing to administer vancomycin 1 g by intermittent IV bolus. Available is vancomycin 1 g in 100 mL of dextrose 5% in water (D5W) to infuse over 45 min. The drop factor of the manual IV tubing is 10 gtt/mL. How many gtt/min should the healthcare professional adjust the manual IV infusion to deliver?
- A. 22 gtt/min
- B. 24 gtt/min
- C. 20 gtt/min
- D. 18 gtt/min
Correct answer: A
Rationale: To determine the flow rate in drops per minute (gtt/min), you can use the formula: (Volume in mL x Drop factor) / Time in minutes = Flow rate in gtt/min. In this case, it would be (100 mL x 10 gtt/mL) / 45 min = 22 gtt/min. Therefore, the healthcare professional should adjust the manual IV infusion to deliver 22 gtt/min. Choice B, 24 gtt/min, is incorrect as it results from a miscalculation. Choices C and D, 20 gtt/min and 18 gtt/min respectively, are also incorrect calculations based on the given parameters.
5. When teaching the family of a child with Cystic Fibrosis about a new prescription for Acetylcysteine, which information should the nurse include?
- A. Expect this medication to suppress your cough.
- B. Expect this medication to smell like rotten eggs.
- C. Expect this medication to cause euphoria.
- D. Expect this medication to turn your urine orange.
Correct answer: B
Rationale: The correct answer is B: 'Expect this medication to smell like rotten eggs.' Acetylcysteine contains sulfur, which gives it a characteristic rotten-egg odor. This odor is normal and expected when using this medication. Choices A, C, and D are incorrect because Acetylcysteine is not used to suppress cough, cause euphoria, or change urine color. Educating the family on the distinct smell of Acetylcysteine will help them understand its characteristics and alleviate concerns about the odor.
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