Which description best suits serous drainage from a wound?

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2015

Explanation

Serous drainage is composed of clear, watery plasma that leaks from blood vessels during the inflammatory phase of wound healing.
It is considered a normal finding in small amounts in a healthy, healing wound.
Its appearance is thin and clear to pale yellow, which distinguishes it from infectious or bloody drainage.

Option A: This describes sanguineous drainage, which consists of fresh, active bleeding from damaged blood vessels.
Option B: This describes purulent drainage (pus), which is composed of white blood cells, bacteria, and cellular debris. It is a classic sign of infection.
Option C: This also describes purulent drainage. The brown color may indicate the presence of old blood, while a foul odor often points to infection with anaerobic bacteria.

Clinical Relevance

Nursing practice connection: Knowing Types of wound drainage and their clinical significance helps nurses interpret findings accurately and avoid errors in routine assessment, medication administration, and patient teaching.
Accurate assessment and documentation of wound drainage are critical nursing responsibilities for monitoring wound healing and detecting complications like infection or hemorrhage.
The type, amount, color, and odor of drainage guide the selection of appropriate dressings and interventions.
What if? - If a wound's drainage changes from serous to purulent (thick, yellow, and foul-smelling), the nurse must recognize this as a sign of infection, notify the healthcare provider, and prepare to obtain a wound culture.

How to Approach the Question

This is a factual recall question requiring knowledge of medical terminology.
First, identify the key term in the question: 'serous drainage'.
Recall the definition of serous fluid in a medical context. It is the clear, liquid portion of blood.
Evaluate each option against this definition.
Eliminate options describing active bleeding ('Free bleeding') or infection ('Thick and yellow', 'Brown and foul smelling').
Select the option that accurately describes the composition of serous fluid: 'Clear watery plasma'.

Concept Tested & Keywords

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E6 Pathology-Vandana Puri & Kavita Gaur Textbook of Pathology and Genetics p. 432-434

E6 Nursing Fundamentals Potter Perry 12e Part 6 p. 81-83

E6 Nursing Brunner Adult Health 3SA Vol 1 Part 1 p. 47-49

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Attempt every question from this paper in a timed mock, then review the full solution for each one.