ATI RN
ATI Proctored Pharmacology Test
1. A client asks the nurse how Rituximab works, which the client is receiving to treat Non-Hodgkin's Leukemia. Which of the following should the nurse include?
- A. Blocks hormone receptors
- B. Increases immune response
- C. Binds with specific antigens on tumor cells
- D. Stops DNA replication during cell division
Correct answer: C
Rationale: Rituximab is a monoclonal antibody that binds with specific antigens on B-lymphocytes, leading to the destruction of cancer cells. In the context of Non-Hodgkin's Leukemia, Rituximab targets and destroys cancerous B-lymphocytes, which helps in treating the disease. Choices A, B, and D are incorrect. Rituximab does not block hormone receptors, increase immune response, or stop DNA replication during cell division. The primary mode of action of Rituximab is its binding with specific antigens on tumor cells, specifically B-lymphocytes, to elicit an immune response against cancerous cells.
2. A healthcare provider is reviewing a client's medical history and notes that the client has a prescription for Digoxin. Which of the following findings is a manifestation of Digoxin toxicity?
- A. Elevated blood pressure
- B. Bradycardia
- C. Yellow-tinged vision
- D. Ringing in the ears
Correct answer: C
Rationale: Yellow-tinged vision, along with nausea, vomiting, and confusion, are common manifestations of Digoxin toxicity. Visual disturbances are important to recognize as they can indicate the need for immediate medical attention and potential adjustment of Digoxin therapy to prevent serious complications. Elevated blood pressure is not typically associated with Digoxin toxicity; instead, hypotension may occur. Bradycardia is a common therapeutic effect of Digoxin rather than a sign of toxicity. Ringing in the ears, or tinnitus, is also a potential side effect of Digoxin but is less specific to toxicity compared to yellow-tinged vision.
3. What is the therapeutic action of Phenytoin?
- A. Antidiabetic
- B. Anticonvulsant
- C. Mood stabilizer
- D. Antianxiety agent
Correct answer: B
Rationale: Phenytoin is primarily used as an anticonvulsant to prevent and control seizures. It works by stabilizing electrical activity in the brain, making it effective in managing conditions like epilepsy. Antidiabetic medications are used to regulate blood sugar levels, mood stabilizers help manage mood disorders, and antianxiety agents are used to reduce anxiety symptoms, none of which are the primary therapeutic action of Phenytoin.
4. A client is being discharged with a new prescription for furosemide 40 mg PO daily. Which of the following instructions should be included?
- A. Avoid foods rich in potassium.
- B. Take the medication with food.
- C. Weigh yourself daily.
- D. Stand up slowly to minimize orthostatic hypotension.
Correct answer: D
Rationale: The correct answer is D: 'Stand up slowly to minimize orthostatic hypotension.' Clients prescribed furosemide are at risk for orthostatic hypotension, a sudden drop in blood pressure when changing positions. Advising the client to stand up slowly can help prevent this complication. Instructing the client to avoid rapid position changes decreases the likelihood of dizziness or fainting episodes. Choices A, B, and C are incorrect because furosemide does not require avoiding potassium-rich foods, taking the medication with food, or daily weighing as specific instructions.
5. A healthcare professional is preparing to administer furosemide 80 mg PO daily. The available furosemide oral solution is 10 mg/1 mL. How many mL should the healthcare professional administer?
- A. 8 mL
- B. 10 mL
- C. 6 mL
- D. 12 mL
Correct answer: A
Rationale: To determine the volume to administer, divide the desired dose by the available concentration. In this case, 80 mg divided by 10 mg/mL equals 8 mL. Therefore, the healthcare professional should administer 8 mL of furosemide oral solution. Choice B, 10 mL, is incorrect as it does not reflect the accurate calculation. Choices C and D, 6 mL and 12 mL respectively, are also incorrect as they do not match the correct calculation based on the provided concentration and dose.
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