A patient has undergone external radiation therapy. The expected side effects include the following apart fro… - Chitranjjan National Cancer Institute Kolkata - 2021

Chitranjjan National Cancer Institute Kolkata - 2021

Medical & Surgical Nursing

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Appeared in: Chitranjjan National Cancer Institute Kolkata - 2021

Explanation

Constipation is not a direct or common side effect of external radiation therapy.
Radiation targeting the gastrointestinal tract damages the rapidly dividing cells of the mucosal lining.
This damage leads to inflammation, increased intestinal motility, and fluid secretion, which manifests as diarrhea, the opposite of constipation.
While a cancer patient may experience constipation due to other factors like opioid pain medications, decreased mobility, or poor diet, it is not a primary effect of the radiation treatment itself.

Option A: Hair loss (alopecia) is a very common and expected side effect when the radiation field includes hair follicles, such as during radiation to the scalp or brain.
Option B: Ulceration of oral mucous membranes (stomatitis or mucositis) is a frequent, and often dose-limiting, side effect when radiation is delivered to the head and neck region.
Option D: Headache is a potential side effect, particularly when the brain is irradiated. It can result from inflammation and cerebral edema (swelling) caused by the radiation.

Clinical Relevance

Nursing practice connection: Use the key finding related to Side effects of external radiation therapy to guide bedside assessment, documentation, and the next nursing action.
Nurses must educate patients that radiation side effects are localized to the treatment area. This helps manage patient expectations, reduce anxiety about systemic effects, and encourage adherence to the treatment plan.
Nursing management is crucial for patient comfort and safety. This includes meticulous skin care for radiation dermatitis, frequent oral hygiene for mucositis, and dietary modifications (e.g., low-fiber diet) for diarrhea.
Fatigue is a common systemic side effect of radiation, regardless of the treatment site. Nurses should advise patients to balance rest with light activity to manage fatigue.

How to Approach the Question

First, identify the negative framing of the question. The phrase 'apart from' means you are looking for the option that is NOT an expected side effect.
Recall the core principle of external beam radiation therapy: its side effects are primarily local, affecting the specific area being treated.
Evaluate each option by considering if it is a known localized side effect of radiation on a particular body part.
Hair loss occurs with scalp radiation. Oral ulcers occur with head/neck radiation. Headaches can occur with brain radiation.
Consider the gastrointestinal effects. Radiation to the abdomen irritates the bowel lining, causing increased motility and diarrhea.
Conclude that constipation is the opposite of the expected GI effect and is therefore the correct answer.

Concept Tested & Keywords

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