ATI RN
ATI Pharmacology Proctored Exam 2023
1. When teaching a client with cancer who has a prescription for methotrexate, which supplement should the nurse instruct the client to take?
- A. Folic acid
- B. Magnesium
- C. Vitamin D
- D. Iron
Correct answer: A
Rationale: The correct answer is folic acid. Methotrexate is a folic acid antagonist, so instructing the client to take folic acid helps reduce the risk of methotrexate toxicity by providing additional folic acid that the medication may deplete. Magnesium (choice B), Vitamin D (choice C), and Iron (choice D) are not the correct supplements to instruct the client to take with methotrexate.
2. A client has an infection and a prescription for gentamicin intermittent IV bolus every 8 hr. A peak and trough is required with the next dose. Which of the following actions should be taken to obtain an accurate gentamicin serum level?
- A. Draw a trough level immediately prior to administering the medication and a peak level 30 min after the dose.
- B. Draw a peak level 90 min prior to administering the medication and a trough level 90 min after the dose.
- C. Draw a trough level immediately prior to administering the medication and a peak level 30 min after the dose.
- D. Draw a peak level at 0900 and a trough level at 2100.
Correct answer: C
Rationale: To obtain an accurate gentamicin serum level, the trough should be drawn immediately before administering the medication, and the peak level should be drawn 30 minutes after the dose. This timing allows for the assessment of the lowest and highest drug concentrations in the bloodstream, ensuring therapeutic levels are achieved while minimizing the risk of toxicity. Choice A is correct as it follows this timing protocol. Choices B and D have incorrect timing for peak and trough levels, which would not provide an accurate representation of the drug's concentration in the bloodstream.
3. What is the pharmacological class of Lithium?
- A. Antidiabetics, biguanides
- B. Mood stabilizers
- C. Antiarrhythmics, anticonvulsants
- D. Vascular headache suppressants
Correct answer: B
Rationale: Lithium is classified as a mood stabilizer due to its primary use in managing bipolar disorder, where it helps stabilize mood swings and prevent episodes of mania and depression. While it can have other effects on the body, its main therapeutic role lies in its mood-stabilizing properties. Choices A, C, and D are incorrect as lithium is not classified as antidiabetics, biguanides, antiarrhythmics, anticonvulsants, or vascular headache suppressants. Its main pharmacological class is mood stabilizers.
4. A client has a new prescription for Propranolol. Which of the following findings should be identified as a contraindication to this medication?
- A. Asthma
- B. Diabetes mellitus
- C. Hypertension
- D. Glaucoma
Correct answer: A
Rationale: Corrected Rationale: Propranolol is a non-selective beta-blocker that can cause bronchoconstriction, making it contraindicated for clients with asthma. Asthma is a contraindication due to the potential for worsening bronchoconstriction and exacerbating respiratory symptoms. Choice B, diabetes mellitus, is not a contraindication for Propranolol. Choice C, hypertension, is actually an indication for Propranolol as it is commonly used to treat hypertension. Choice D, glaucoma, is not a contraindication for Propranolol use.
5. A healthcare professional is caring for four clients who have Peptic Ulcer Disease. The healthcare professional should recognize Misoprostol is contraindicated for which of the following clients?
- A. A client who is pregnant
- B. A client who has osteoarthritis
- C. A client who has a kidney stone
- D. A client who has a urinary tract infection
Correct answer: A
Rationale: Misoprostol is contraindicated in pregnancy as it can induce labor and potentially lead to harm to the fetus. Therefore, it should not be used in pregnant clients due to its uterotonic effects. For clients with osteoarthritis, kidney stone, or urinary tract infection, Misoprostol is not contraindicated specifically for these conditions.
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