# A nurse is teaching the parents of an 8-year-old child newly prescribed methylphenidate immediate-release for ADHD. Which instruction is most important?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=391735&lang=en  
> language: en  
> subject: Medical Emergencies  
> category: PA

## Question

A nurse is teaching the parents of an 8-year-old child newly prescribed methylphenidate immediate-release for ADHD. Which instruction is most important?

## Option

1. Discontinue the medication during school vacations to prevent dependence.
2. Increase the dose if the child seems hyperactive on weekends.
3. Administer the second dose in the early afternoon, before 4:00 pm, to avoid insomnia. **✔ Correct answer**
4. Give both doses with a high-fat meal to slow absorption.

**Correct answer: 3**

## Explanation

Correct (2): Methylphenidate is a CNS stimulant; late-afternoon or evening doses cause insomnia. Standard practice is morning and early-afternoon dosing (often before noon and again before 2-4 pm for IR). (1) Food does not significantly affect IR formulation; the issue is dose timing, not absorption. (3) Parents must not titrate the dose; growth, appetite, BP, and HR are monitored by the prescriber. (4) Routine drug holidays are no longer standard — decisions should be individualized with the prescriber, not parent-initiated.

## In-depth explanation

Memory Tip Stimulants = "STIMulate appetite DOWN, sleep DOWN." Monitor weight, height, BP, HR every visit. Clinical Practice Guide Plot growth curves; persistent weight loss or BP elevation triggers dose review.

## Clinical scenario

Scenario 8-year-old boy newly diagnosed with ADHD prescribed methylphenidate IR 5 mg PO BID (morning and noon). Parents receiving initial teaching at outpatient pediatric clinic.

## Key concepts

- **CNS stimulant** — Drug class that increases dopamine and norepinephrine in the prefrontal cortex; first-line pharmacologic treatment for ADHD.
- **ADHD pharmacologic monitoring** — Routine tracking of weight, height percentile, blood pressure, heart rate, sleep, and appetite in children on stimulant therapy.
- **Drug holiday** — Planned medication-free period; historically used with stimulants but no longer routinely recommended — decided individually with the prescriber.

## Related questions

- [A nurse is caring for an alert adult client with type 1 diabetes who reports tremors, swea…](https://mymerci.kr/pages/nclex_q.php?qn_id=360524&lang=en)
- [A 68-year-old client with COPD is admitted with shortness of breath and SpO2 86% on room a…](https://mymerci.kr/pages/nclex_q.php?qn_id=362940&lang=en)
- [A 58-year-old client arrives at the emergency department with crushing substernal chest pa…](https://mymerci.kr/pages/nclex_q.php?qn_id=362976&lang=en)
- [A 72-year-old client is brought to the emergency department by family who report that the …](https://mymerci.kr/pages/nclex_q.php?qn_id=363003&lang=en)
- [A 79-year-old client is admitted from a long-term care facility with diarrhea, decreased o…](https://mymerci.kr/pages/nclex_q.php?qn_id=363089&lang=en)
- [A 76-year-old female with chronic heart failure and atrial fibrillation receives digoxin 0…](https://mymerci.kr/pages/nclex_q.php?qn_id=374883&lang=en)
- [A 70-year-old client on long-term digoxin therapy reports new yellow-green halos around li…](https://mymerci.kr/pages/nclex_q.php?qn_id=374884&lang=en)
- [A 58-year-old client with type 2 diabetes mellitus and migraine prophylaxis is taking prop…](https://mymerci.kr/pages/nclex_q.php?qn_id=374893&lang=en)

## Read in another language

- [en](https://mymerci.kr/pages/nclex_q.php?qn_id=391735&lang=en)
- [ko](https://mymerci.kr/pages/nclex_q.php?qn_id=391735&lang=ko)
- [ja](https://mymerci.kr/pages/nclex_q.php?qn_id=391735&lang=ja)
- [zh-TW](https://mymerci.kr/pages/nclex_q.php?qn_id=391735&lang=zh-tw)
- [vi](https://mymerci.kr/pages/nclex_q.php?qn_id=391735&lang=vi)

---

More free questions: [NCLEX-RN Practice](https://mymerci.kr/pages/nclex_bank.php?lang=en)

_For study reference only. Always follow current clinical guidelines and your institution’s protocols._