Wound Care Certification Exam Wound Care Certification Dressings and Topical Agents 5

Question 1

When using negative pressure wound therapy (NPWT) with a foam interface, which dressing change interval is standard for most chronic wounds?

Accepted Answer

Every 48–72 hours

Answer

Every 12 hours

Answer

Every 24 hours

Answer

Once weekly

Question 2

A wound exhibiting signs of biofilm (recalcitrant to treatment, surface glycocalyx) would BEST benefit from which combination approach?

Accepted Answer

Mechanical debridement + topical antimicrobial dressing

Answer

Dry dressing + oral antibiotics alone

Answer

Hydrogel only to rehydrate the biofilm

Answer

Transparent film dressing to maintain occlusion

Question 3

Which topical agent is considered appropriate for use in wounds on patients with thyroid disorders, with CAUTION?

Accepted Answer

Iodine-based products

Answer

Silver sulfadiazine

Answer

Mupirocin ointment

Answer

Honey dressings

Question 4

A clinician notes that a wound's exudate has changed from serous to seropurulent. This change MOST likely indicates:

Accepted Answer

Increasing bacterial burden or wound infection

Answer

Wound is entering the proliferative phase

Answer

The dressing is no longer absorbing properly

Answer

Normal collagen remodeling activity

Question 5

Antimicrobial dressings containing polyhexamethylene biguanide (PHMB) are BEST described as:

Accepted Answer

A broad-spectrum antiseptic that disrupts bacterial cell membranes

Answer

A type of antibiotic that induces bacterial resistance rapidly

Answer

An enzyme that selectively digests biofilm matrix

Answer

A growth factor that stimulates re-epithelialization

Question 6

A wound care specialist is treating a patient with a skin graft donor site. Which dressing is MOST commonly used to promote re-epithelialization and minimize pain?

Accepted Answer

Non-adherent silicone or petrolatum-impregnated dressing

Answer

Dry gauze bolster

Answer

Calcium alginate rope packing

Answer

Zinc oxide paste wrap

Question 7

Which statement CORRECTLY describes the use of enzymatic debridement agents (e.g., collagenase) in wound care?

Accepted Answer

They selectively digest devitalized collagen and should not be combined with silver or iodine agents

Answer

They are applied to intact eschar without cross-hatching and act instantly

Answer

They require a dry wound environment to activate

Answer

They are contraindicated in the presence of any exudate