The reason for intubating a nasogastric tube into patients with extensive burns is?

KPSC Staff Nurse - 2017

Medical Surgical Nursing

Hard

Appeared in: KPSC Staff Nurse - 2017

Explanation

All listed options are correct and represent the multifaceted role of a nasogastric tube in managing patients with extensive burns.
Patients with severe burns are in a hypermetabolic state, requiring early enteral feeding to support healing and prevent stress ulcers. An NG tube is the primary route for this.
Extensive burns frequently cause paralytic ileus, a temporary cessation of bowel motility. This leads to gastric distention, increasing the risk of vomiting and aspiration.
An NG tube is used to decompress the stomach by aspirating its contents (air and fluid), which directly reduces the risk of aspiration pneumonia, a major cause of mortality in burn patients.
Therefore, the tube is used for feeding, aspiration prevention, and gastric content removal simultaneously.

Option A: This option is correct, but it is not the only reason. It represents only one of the critical functions of an NG tube in this patient population.
Option B: This option is also correct but incomplete. It describes a crucial prophylactic function but omits the equally important nutritional role.
Option C: This option correctly identifies the mechanism for decompression but is not the sole purpose. It is a means to an end (preventing aspiration and relieving distention) and doesn't cover the feeding aspect.

Clinical Relevance

Nursing practice connection: Knowing The rationale for nasogastric (NG) tube insertion in patients with extensive burns helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Nurses are responsible for verifying NG tube placement (initial X-ray, then pH testing), managing the suction settings (usually low intermittent), monitoring the amount and character of gastric output, and administering enteral feeds as prescribed.
A critical nursing intervention is to maintain the head of the bed elevation at 30-45 degrees to further reduce the risk of aspiration, even with an NG tube in place.
What if? If a burn patient with an NG tube develops a distended, firm abdomen and has no bowel sounds, the nurse's first action is to check the patency of the NG tube and the function of the suction equipment. If the issue persists, the physician must be notified immediately as this indicates worsening paralytic ileus.

How to Approach the Question

First, analyze the question's core concept: the purpose of an NG tube in a specific, high-acuity patient population (extensive burns).
Evaluate each option independently based on your knowledge of burn pathophysiology and critical care.
Option A (feeds): Is nutrition important in burns? Yes, it's critical for healing.
Option B (prevent aspiration): Are burn patients at risk for aspiration? Yes, due to potential ileus and sedation.
Option C (aspirate contents): Is this a function of an NG tube? Yes, it's how decompression is achieved.
Recognize that all three options are valid and important interventions for this patient.

Concept Tested & Keywords

Concept Tested: The rationale for nasogastric (NG) tube insertion in patients with extensive burns.
Stem keywords: nasogastric tube, extensive burns, intubating
Lead-in keywords: reason for
Clinical cues: The patient condition 'extensive burns' is a critical cue, as it implies a systemic, high-stress state affecting multiple organ systems, including the gastrointestinal tract.

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