ATI RN
ATI Pharmacology Test Bank
1. A healthcare professional is reviewing laboratory results for a client who is receiving heparin via continuous IV infusion. Which of the following results indicates that the heparin infusion should be increased?
- A. aPTT of 90 seconds
- B. Platelet count of 150,000/mm³
- C. INR of 1.0
- D. Hgb of 15 g/dL
Correct answer: A
Rationale: An aPTT of 90 seconds is above the therapeutic range for heparin, which typically falls between 60-80 seconds. This indicates that the current heparin dose is too high, and the infusion rate should be decreased to avoid excessive anticoagulation and the risk of bleeding. Monitoring aPTT is crucial in adjusting heparin therapy to maintain it within the therapeutic range.
2. A healthcare provider is reviewing the health record of a client who asks about using Propranolol to treat hypertension. The provider should recognize which of the following conditions is a contraindication for taking propranolol?
- A. Asthma
- B. Glaucoma
- C. Hypertension
- D. Tachycardia
Correct answer: A
Rationale: The correct answer is A: Asthma. Propranolol is a nonselective beta-adrenergic blocker that blocks both beta1 and beta2 receptors. Blockade of beta2 receptors in the lungs causes bronchoconstriction, making it contraindicated in clients with asthma. Using propranolol in asthma can exacerbate bronchoconstriction and potentially lead to respiratory distress or exacerbation of asthma symptoms. Choices B, C, and D are incorrect. Glaucoma, hypertension, and tachycardia are not contraindications for taking propranolol. In fact, propranolol is commonly used to treat hypertension and tachycardia.
3. A client is being discharged with a new prescription for Fluoxetine for PTS. Which of the following statements should the nurse include in the teaching?
- A. You may experience a decreased desire for intimacy while taking this medication.
- B. You should take this medication in the morning to avoid sleep disturbances.
- C. To minimize urinary adverse effects, ensure you urinate before taking this medication.
- D. It is recommended to wear sunglasses outdoors due to the light sensitivity caused by this medication.
Correct answer: A
Rationale: The correct statement for the nurse to include in the teaching is that the client may experience a decreased desire for intimacy while taking Fluoxetine for PTS. This is important because Fluoxetine, an SSRI used to treat PTS, can lead to decreased libido as a potential adverse effect. Choices B, C, and D are incorrect because they do not address the specific side effect associated with Fluoxetine and are not directly relevant to the medication's effects for this patient.
4. A client has a new prescription for Verapamil to control hypertension. Which of the following instructions should the nurse include?
- A. Increase the amount of dietary fiber in the diet.
- B. Drink grapefruit juice daily to increase vitamin C intake.
- C. Decrease the amount of calcium in the diet.
- D. Withhold food for 1 hr after taking the medication.
Correct answer: A
Rationale: Increasing dietary fiber intake is essential when taking Verapamil to prevent constipation, a common adverse effect of the medication. Dietary fiber can help maintain bowel regularity and alleviate constipation.
5. A client with Angina Pectoris asks the nurse about the next step if they take one tablet, wait 5 minutes, but still have Anginal pain. Which response should the nurse provide?
- A. Take two more sublingual tablets at the same time.
- B. Call emergency services.
- C. Take a sustained-release nitroglycerin capsule.
- D. Wait another 5 minutes then take a second sublingual tablet.
Correct answer: B
Rationale: If anginal pain persists after taking the first tablet and waiting 5 minutes, the priority step is to call emergency services (911) and then take a second sublingual tablet. Persistent pain could indicate a myocardial infarction, and immediate medical attention is crucial. Taking two more tablets at the same time (Choice A) can lead to excessive vasodilation and hypotension. Taking a sustained-release nitroglycerin capsule (Choice C) is not appropriate for immediate relief during an acute episode. Waiting another 5 minutes and then taking a second tablet (Choice D) is not advisable in this emergency situation where prompt action is necessary.
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