ATI RN
Central Nervous System Stimulants and Related Drugs NCLEX Style Questions Questions
Question 1 of 5
A woman enters your clinic with an enlarged thyroid and you suspect simple adenomatous goiter. Which of the following would be the best treatment if the laboratory results shows low levels of free T3 and T4?
Correct Answer: D
Rationale: Levothyroxine (choice D) treats hypothyroid goiter (low T3/T4) by replacing thyroid hormone, shrinking the gland. TSH infusion (choice A) worsens it, Propranolol (choice B) manages hyperthyroid symptoms, Propylthiouracil (choice C) reduces hormone in hyperthyroidism. Levothyroxine is appropriate.
Question 2 of 5
Acute opium poisoning is treated by intravenous administration of
Correct Answer: A
Rationale: Naloxone is an opioid antagonist that rapidly reverses respiratory depression in opioid overdose.
Question 3 of 5
Which of the following molecular actions in the enteric nervous system most likely mediated the adverse effect of the drug in the 54-year-old woman?
Correct Answer: B
Rationale: The drug causing diarrhea in the woman is most likely paroxetine, which increases serotonergic activity in the enteric nervous system, leading to the adverse effect of diarrhea.
Question 4 of 5
Which instructions will the nurse include in the teaching plan for a patient who is taking pyridostigmine? (Select all that apply.)
Correct Answer: C
Rationale: Step 1: Pyridostigmine is a medication used to treat myasthenia gravis by improving muscle strength. Step 2: Underdosing of pyridostigmine can lead to myasthenic crisis, a life-threatening condition characterized by severe muscle weakness. Step 3: Therefore, it is crucial for the nurse to include in the teaching plan that underdosing can result in myasthenic crisis to emphasize the importance of taking the medication as prescribed. Step 4: Taking pyridostigmine on time (Choice A) is important for maintaining therapeutic levels but not specifically related to the risk of myasthenic crisis. Step 5: Taking the prescribed dose every other week (Choice B) is incorrect as pyridostigmine is typically taken daily or as directed by the healthcare provider. Step 6: Overdosing of pyridostigmine can result in cholinergic crisis (Choice D), which is a complication but not
Question 5 of 5
Several children are admitted for diagnosis with possible attention-deficit/hyperactivity disorder. Which is most important for the nurse to observe?
Correct Answer: D
Rationale: The correct answer is D: A boy with an inability to complete tasks. This is important because it is a key symptom of attention-deficit/hyperactivity disorder (ADHD). Observing this behavior can help confirm the diagnosis and guide appropriate interventions. Explanation: 1. Inability to complete tasks is a common symptom of ADHD, indicating difficulties with focus and organization. 2. Lethargy (Choice A) is not a typical symptom of ADHD, which is characterized by hyperactivity and impulsivity. 3. Lack of impulsivity (Choice B) contradicts the typical presentation of impulsivity seen in ADHD. 4. Smooth coordination (Choice C) is not a primary symptom of ADHD and does not directly relate to the disorder's diagnosis. In summary, observing a boy with an inability to complete tasks is crucial for evaluating ADHD, as it aligns with the disorder's core symptoms, unlike the other choices.