NCWO Infection Prevention and Control 2

Question 1

Which topical antimicrobial agent is MOST appropriate for a heavily contaminated wound with suspected Pseudomonas aeruginosa infection?

Accepted Answer

Silver-containing dressing

Answer

Petroleum jelly gauze

Answer

Hydrocolloid dressing

Answer

Plain gauze moistened with normal saline

Question 2

Which of the following antiseptics is generally considered cytotoxic to fibroblasts and should be avoided in granulating wounds?

Accepted Answer

Povidone-iodine solution (10%)

Answer

Cadexomer iodine

Answer

Medical-grade honey

Answer

Dilute sodium hypochlorite (Dakin's 0.025%)

Question 3

A patient with a diabetic foot ulcer develops fever, leukocytosis, and red streaking proximal to the wound. These findings are most consistent with:

Accepted Answer

Cellulitis with possible spreading infection

Answer

Wound colonization

Answer

Critical colonization

Answer

Contact dermatitis

Question 4

Standard precautions require that personal protective equipment (PPE) be used:

Accepted Answer

When there is potential contact with blood, body fluids, mucous membranes, or non-intact skin

Answer

Only when the patient is known to have a communicable disease

Answer

Only when performing aerosol-generating procedures

Answer

Only in intensive care units

Question 5

Which characteristic of wound exudate is MOST suggestive of a gram-negative bacterial infection?

Accepted Answer

Thin, green-blue exudate with a sweet fruity odor

Answer

Serous, watery exudate with no odor

Answer

Thick, creamy, odorless exudate

Answer

Serosanguineous exudate with fibrin strands

Question 6

In managing biofilm in a chronic wound, which combination approach is considered MOST effective?

Accepted Answer

Regular debridement combined with topical antimicrobials

Answer

Systemic antibiotics alone for 14 days

Answer

Occlusive dressings changed weekly

Answer

Wound irrigation with hydrogen peroxide

Question 7

Which of the following represents the correct order of donning PPE before entering a contact precaution room?

Accepted Answer

Gown → Mask → Eye protection → Gloves

Answer

Gloves → Gown → Mask → Eye protection

Answer

Mask → Gown → Gloves → Eye protection

Answer

Eye protection → Gloves → Gown → Mask