# Situation: An 80-year-old woman in a long-term care facility takes oral morphine daily for osteoarthritis pain and has chronic kidney disease with an estimated glomerular filtration rate (eGFR) of 25 mL/min/1.73 m². She has not had a formed bowel movement in 6 days and has had no antibiotics in the past 3 months. After her current bowel problem is treated, the staff plan a bowel training program. At what time should they schedule her daily toileting?

> source: MyMerci (mymerci.kr)  
> url: https://mymerci.kr/pages/nclex_q.php?qn_id=630481  
> language: ko  
> subject: Nursing Practice IV — Care of Clients with Problems in Nutrition and Gastrointestinal, Metabolism and Endocrine, Perception and Coordination

## 문제

Situation: An 80-year-old woman in a long-term care facility takes oral morphine daily for osteoarthritis pain and has chronic kidney disease with an estimated glomerular filtration rate (eGFR) of 25 mL/min/1.73 m². She has not had a formed bowel movement in 6 days and has had no antibiotics in the past 3 months.

After her current bowel problem is treated, the staff plan a bowel training program. At what time should they schedule her daily toileting?

## 보기

1. 20–30 minutes after breakfast **✔ 정답**
2. Right after waking, before she eats
3. Mid-afternoon, between her meals
4. At bedtime, when the ward is quiet

**정답: 1**

## 해설

Bowel training schedules toileting at the same time each day, usually 20–30 minutes after a meal, to use the gastrocolic reflex, which is strongest after breakfast. Privacy, a sitting position with the feet supported, fiber, fluids, and activity support the program.

## 심화 해설

Using the gastrocolic reflex
A bowel training program schedules toileting at the same time every day so the bowel learns a predictable pattern. The best time is usually 20–30 minutes after a meal, because eating stretches the stomach and triggers the gastrocolic reflex, a wave of mass peristalsis that moves stool into the rectum and creates the urge to defecate. The reflex is strongest after breakfast, after the overnight fast, so toileting 20–30 minutes after breakfast gives her the best chance of a successful bowel movement. Timing toileting to follow a meal works with the body's own reflex rather than against it.

Why the other times are less effective
Toileting right after waking, before she eats, comes before the gastrocolic reflex has been triggered. Mid-afternoon between meals misses the reflex entirely. Bedtime offers privacy, which matters, but it does not follow a meal and does not take advantage of the post-meal wave. Watch out! Privacy and a quiet environment support bowel training, but they are not the deciding factor when the question asks about timing.

| Toileting time | Gastrocolic reflex | Suitability |
| --- | --- | --- |
| 20–30 minutes after breakfast | Strongest | Best choice |
| On waking, before eating | Not yet triggered | Less effective |
| Mid-afternoon, between meals | Absent | Less effective |
| Bedtime | Not linked to a meal | Less effective |

Supporting measures in the program
Successful bowel training combines timing with other measures. She should be helped to sit on the toilet or commode rather than use a bedpan, with privacy and her feet supported so the hips are flexed and the abdominal muscles can assist. A warm drink with breakfast can strengthen the urge. Adequate fiber, fluids, and physical activity as tolerated keep stools soft and the bowel moving. Because she continues on morphine, a laxative regimen is still needed alongside the training program; opioid constipation does not resolve with scheduling alone.

Exam takeaway
For questions about scheduling bowel training, look for an option that ties toileting to a meal, ideally breakfast. Key point! Schedule toileting at the same time daily, about 20–30 minutes after breakfast, to use the gastrocolic reflex. Consistency matters: the same time each day, with enough time allowed, helps re-establish a regular pattern in older adults in long-term care.

## 임상 시나리오

Bowel Training ProgramTiming toileting after meals
Schedule toileting at the same time each day, about 20–30 minutes after a meal, to use the gastrocolic reflex. The reflex is strongest after breakfast.

Provide privacy and a sitting position with the feet supported. Encourage fiber, fluids, a warm drink, and activity as tolerated.

Because she continues morphine, a laxative regimen is still needed alongside the program.

CautionToileting before meals, between meals, or at bedtime misses the post-meal reflex and lowers the chance of success.

## 핵심 개념

- **Bowel training** — A program that schedules toileting at a consistent daily time to re-establish a regular bowel pattern.
- **Gastrocolic reflex** — Increased colonic motility triggered by food entering the stomach, strongest after the first meal of the day.
- **Mass peristalsis** — Strong waves of contraction that move stool through the colon into the rectum several times a day.

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