Swelling due to accumulation of protein-rich fluid in lymphatic system is:

Appeared in: UP NHM CHO 7 Sept 2022 (Shift-2)

Explanation

Lymphedema is defined as swelling that occurs due to the accumulation of protein-rich fluid in the interstitial spaces.
This condition is a direct result of impaired function of the lymphatic system, which can be due to blockage, damage, or surgical removal of lymph nodes.
The lymphatic system's primary role is to drain excess fluid, proteins, and other substances from the tissues.
When this drainage system fails, the high concentration of protein in the interstitial fluid osmotically draws more water into the space, exacerbating the swelling.

Option A: Pulmonary edema is the accumulation of fluid in the alveoli (air sacs) of the lungs, not in the general body tissues due to lymphatic failure.
Option C: Pitting edema is a clinical sign characterized by an indentation left on the skin after pressure is applied. It describes the physical characteristic of the swelling, not the underlying cause or fluid composition. Lymphedema is often non-pitting, especially in its later stages.
Option D: Macular edema is a specific condition involving fluid buildup in the macula of the eye's retina.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Pathophysiology of edema and lymphatic system function as background academic context rather than a clinical decision trigger.
Nurses are central to managing lymphedema, focusing on techniques to reduce swelling, prevent complications, and educate patients on self-care.
A critical nursing responsibility is meticulous skin care for the affected limb, as the protein-rich fluid creates a favorable environment for bacterial growth, increasing the risk of cellulitis.
Patient education should emphasize avoiding blood pressure measurements, injections, or blood draws on the affected limb to prevent trauma and further compromise lymphatic drainage.

How to Approach the Question

This is a definition-based factual recall question.
First, break down the question stem into its key components: 1) swelling, 2) caused by protein-rich fluid, and 3) related to the lymphatic system.
Next, evaluate each option against these three components.
Pulmonary edema is in the lungs. Macular edema is in the eye. Pitting edema is a sign, not a specific pathophysiology.
Lymphedema is the only term that specifically describes swelling from protein-rich fluid due to lymphatic system failure.
By matching the definition in the stem to the correct medical term, you can confidently select the right answer.

Concept Tested & Keywords

Q6q8Ey5V9zK03Jl86wEYvy

E6 Physiology Essentials Sembulingam 10e Part 1 pp. 168-171, 166-168

Practise the full UP NHM CHO 7 Sept 2022 (Shift-2)

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