CDT Wound Care & Healing 3

Question 1

Which pressure injury stage involves full-thickness skin loss with visible fat but no exposed bone, tendon, or muscle?

Accepted Answer

Stage 3

Answer

Stage 3 pressure injuries involve full-thickness tissue loss where subcutaneous fat may be visible but bone, tendon, and muscle are not exposed.

Question 2

Negative pressure wound therapy (NPWT) promotes healing by all of the following EXCEPT:

Accepted Answer

Increasing bacterial load in the wound

Answer

NPWT reduces bacterial load in wounds; it does not increase it, making option C incorrect.

Question 3

A diabetic patient presents with a plantar foot ulcer with callus surrounding the wound edges. The most appropriate initial intervention is:

Accepted Answer

Perform sharp debridement of the callus

Answer

Sharp debridement of surrounding callus removes hyperkeratotic tissue that traps pressure and inhibits wound edge migration.

Question 4

Which topical agent is contraindicated in wounds that are healing by secondary intention due to cytotoxicity to fibroblasts?

Accepted Answer

Full-strength hydrogen peroxide

Answer

Full-strength hydrogen peroxide is cytotoxic to fibroblasts and granulation tissue and is contraindicated in healing wounds.

Question 5

During wound assessment, the measurement of 3 cm x 4 cm refers to which dimensions by convention?

Accepted Answer

Length x Width

Answer

By convention, wound measurements are recorded as length (head-to-toe axis) x width (side-to-side axis).

(CDT) Certified Dermatology Tech Practice Test