CDT Wound Care & Healing 2

Question 1

Which growth factor is most critical for stimulating fibroblast proliferation during the proliferative phase of wound healing?

Accepted Answer

Platelet-derived growth factor (PDGF)

Answer

PDGF is released from platelets and macrophages and is a primary chemotactic and mitogenic signal for fibroblasts during the proliferative phase.

Question 2

A wound with yellow, stringy tissue adhering to the wound bed is described as containing which type of tissue?

Accepted Answer

Slough

Answer

Slough is devitalized, moist, yellow or tan stringy tissue that must be debrided to facilitate wound healing.

Question 3

Which dressing type creates a moist wound environment while being appropriate for a heavily exudating wound?

Accepted Answer

Alginate

Answer

Alginate dressings are highly absorbent and derived from seaweed, making them ideal for heavily exudating wounds.

Question 4

In which phase of wound healing does angiogenesis primarily occur?

Accepted Answer

Proliferative

Answer

Angiogenesis, the formation of new blood vessels, occurs primarily during the proliferative phase to support the growing granulation tissue.

Question 5

A patient has a wound that has been open for 10 weeks with no signs of healing progression. This is classified as:

Accepted Answer

Chronic wound

Answer

A wound that fails to progress through normal healing stages within 4–6 weeks is classified as a chronic wound.

(CDT) Certified Dermatology Tech Practice Test