Certified Wound Ostomy Nurse (CWON) Practice Test

What happens to lymph capillaries when they are occluded?

1. They restore blood flow

2. They reduce waste buildup

3. They lead to edema and waste buildup

4. They enhance nutrient delivery

The correct answer is: They lead to edema and waste buildup

When lymph capillaries are occluded, they can lead to edema and waste buildup in the surrounding tissues. This occurs because lymph capillaries play a crucial role in maintaining fluid balance by collecting excess interstitial fluid and returning it to the bloodstream. When these capillaries are obstructed, the normal drainage process is disrupted, causing fluid to accumulate in the tissues, which results in edema. Additionally, the accumulation of interstitial fluid prevents the efficient removal of waste products, contributing to further buildup and potential toxicity in the local environment. This physiological response underscores the importance of the lymphatic system in preventing fluid imbalances and facilitating the removal of metabolic wastes from the body. The other options do not accurately reflect the consequences of occluded lymph capillaries, as their function is primarily to manage fluid and waste, rather than enhance blood flow, reduce waste buildup, or enhance nutrient delivery.