ATI RN
Pharmacology ATI Proctored Exam 2023
1. A client taking nitroglycerin (Nitrostat) for angina asks the nurse to explain possible side effects. What should NOT be included in client teaching?
- A. Reflex tachycardia
- B. Dizziness
- C. Hyponatremia
- D. Hypotension
Correct answer: C
Rationale: Hyponatremia is not a common side effect associated with nitroglycerin use. Nitroglycerin typically causes side effects such as reflex tachycardia, dizziness, and hypotension due to its vasodilatory effects. Therefore, it is important for the nurse to educate the client about these potential side effects to promote understanding and appropriate management.
2. What is the pharmacological action of metformin?
- A. Blocks stimulation of beta1 and beta2.
- B. Blocks vasoconstriction and aldosterone.
- C. Acts at many levels in the CNS to produce an anxiolytic effect.
- D. Decreases hepatic glucose production.
Correct answer: D
Rationale: The correct answer is D: Decreases hepatic glucose production. Metformin's primary pharmacological action is to decrease hepatic glucose production, leading to lower blood sugar levels and improved insulin sensitivity in the liver. Choices A, B, and C are incorrect because metformin does not block stimulation of beta1 and beta2 receptors, vasoconstriction, aldosterone, or act in the CNS to produce an anxiolytic effect. Therefore, these options are not reflective of metformin's mechanism of action.
3. A nurse is providing instructions to a client who has a prescription for Amoxicillin and Clarithromycin to treat a Peptic Ulcer. Which of the following information should the nurse include in the teaching?
- A. Take these medications with foo '
- B. These medications can turn your stool black.'
- C. These medications can cause photosensitivity.'
- D. The purpose of these medications is to decrease the pH of gastric juices in the stomach.'
Correct answer: A
Rationale: The nurse should instruct the client to take these medications with food to reduce GI disturbances.
4. 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.
5. A healthcare professional is educating a client about the adverse effects of Metformin. Which of the following adverse effects should the healthcare professional include?
- A. Lactic acidosis.
- B. Hypoglycemia.
- C. Hyperlipidemia.
- D. Weight gain.
Correct answer: A
Rationale: The correct answer is A: Lactic acidosis. Lactic acidosis is a rare but severe side effect of Metformin, particularly in individuals with renal or liver issues. It is crucial for clients taking Metformin to be aware of the symptoms of lactic acidosis, such as muscle pain, weakness, trouble breathing, stomach discomfort, and feeling cold. Choice B, hypoglycemia, is not a common adverse effect of Metformin but can occur when combined with other antidiabetic medications. Choice C, hyperlipidemia, is not a typical adverse effect of Metformin. Choice D, weight gain, is not associated with Metformin use; in fact, Metformin is often associated with weight loss or weight neutrality.
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