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. Which of the following is the antidote for Heparin toxicity?
- A. Protamine
- B. Methylene blue
- C. N-acetylcysteine
- D. Glucagon
Correct answer: A
Rationale: Protamine is the specific antidote for Heparin toxicity. Heparin is an anticoagulant medication, and if an overdose occurs or if there is excessive bleeding due to Heparin use, protamine, a positively charged molecule, can neutralize the anticoagulant effects of Heparin by forming a complex with it. This binding prevents Heparin from further inhibiting coagulation factors and helps in reversing its effects.
3. When starting therapy with cisplatin, a client should report which of the following adverse effects as instructed by the nurse?
- A. Tinnitus
- B. Nausea
- C. Constipation
- D. Weight gain
Correct answer: A
Rationale: The nurse should instruct the client to report tinnitus because it can be an indication of ototoxicity, a potential adverse effect of cisplatin. Ototoxicity can manifest as tinnitus, hearing loss, or balance disturbances, so it is crucial for the client to promptly report any changes in hearing such as tinnitus to prevent further damage.
4. A healthcare provider is preparing to administer an Opioid agonist to a client who has acute pain. Which of the following complications should the provider monitor?
- A. Urinary retention
- B. Tachypnea
- C. Hypertension
- D. Irritating cough
Correct answer: A
Rationale: The correct answer is urinary retention. Opioid agonists like morphine can suppress the awareness of bladder fullness, leading to urinary retention. This complication can result in significant discomfort and potential urinary tract issues if not promptly addressed. Tachypnea (increased respiratory rate) is a common side effect of opioids but is not a specific complication related to urinary retention. Hypertension is not typically associated with opioid agonists and is more commonly seen with opioid antagonists. An irritating cough is not a known complication of opioid agonists and is not directly related to the effect opioids have on the urinary system.
5. A client with Diabetes is experiencing Nausea due to Gastroparesis. The healthcare provider should anticipate a prescription for which of the following medications?
- A. Lubiprostone
- B. Metoclopramide
- C. Bisacodyl
- D. Loperamide
Correct answer: B
Rationale: Metoclopramide, a dopamine antagonist, is indicated for treating nausea and increasing gastric motility. In the context of diabetic gastroparesis, it can alleviate bloating and nausea by enhancing gastric emptying. Lubiprostone (Choice A) is a chloride channel activator used for chronic idiopathic constipation and irritable bowel syndrome with constipation. Bisacodyl (Choice C) is a stimulant laxative primarily used for constipation. Loperamide (Choice D) is an anti-diarrheal agent and would not be appropriate for treating nausea and gastroparesis.
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