ATI RN
ATI Pharmacology Proctored Exam
1. A client is admitted for a surgical procedure. Which preexisting condition can be a contraindication for the use of Ketamine as an intravenous anesthetic?
- A. Peptic ulcer disease
- B. Breast cancer
- C. Diabetes mellitus
- D. Schizophrenia
Correct answer: D
Rationale: Ketamine can produce psychological effects like hallucinations. Patients with schizophrenia may be more prone to experiencing exacerbation of their symptoms when exposed to Ketamine due to its potential to worsen psychotic symptoms. Therefore, schizophrenia can be a contraindication for the use of Ketamine as an anesthetic. Peptic ulcer disease, breast cancer, and diabetes mellitus are not contraindications for the use of Ketamine.
2. What is pharmacodynamics?
- A. The medical reference summarizing standards of drug purity, strength, and directions for synthesis
- B. The drug's actions at receptor sites and the physiological, chemical, and behavioral effects produced by these actions
- C. The maximum response that a drug can produce
- D. Movements of the drugs throughout the body
Correct answer: B
Rationale: Pharmacodynamics refers to the drug's actions at receptor sites and the physiological, chemical, and behavioral effects produced by these actions. It involves understanding how drugs interact with the body at the molecular level to produce their effects, including mechanisms of action, receptor binding, and downstream physiological responses. Choice A is incorrect because it describes pharmacopeia, which is a reference book containing standards for drugs. Choice C refers to efficacy, which is the maximum effect a drug can produce. Choice D describes pharmacokinetics, which focuses on the movement of drugs within the body.
3. A client has a new prescription for Spironolactone. Which of the following adverse effects should the nurse instruct the client to monitor?
- A. Hyperkalemia
- B. Hypoglycemia
- C. Hypocalcemia
- D. Hyponatremia
Correct answer: A
Rationale: Spironolactone is a potassium-sparing diuretic that can lead to hyperkalemia due to its mechanism of action. Hyperkalemia can cause muscle weakness and cardiac dysrhythmias. Therefore, the nurse should educate the client to monitor for signs and symptoms of hyperkalemia while taking Spironolactone.
4. Which of the following is not directly related to drug toxicity of Nitroglycerin?
- A. Headaches
- B. Tachycardia
- C. Dizziness
- D. Projectile vomiting
Correct answer: D
Rationale: Headaches, tachycardia, and dizziness are common side effects of nitroglycerin due to its vasodilatory properties. Projectile vomiting is not typically associated with nitroglycerin toxicity, making it the correct answer. Therefore, option D is the correct choice.
5. A client has a prescription for Trimethoprim-Sulfamethoxazole. Which of the following instructions should the nurse include?
- A. Take the medication with food.
- B. Increase fluid intake.
- C. Expect reddish-orange urine.
- D. Avoid high-protein foods.
Correct answer: B
Rationale: The correct instruction for a client prescribed Trimethoprim-Sulfamethoxazole is to increase fluid intake. This helps prevent crystalluria and kidney stones, which are potential adverse effects of this medication. Adequate hydration is essential to reduce the risk of these complications.
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