Eleven questions on abnormal wound healing

Abnormal wound healing
Created 2020.
This exercise will ask you a set of eleven questions on abnormal wound healing. Each question contains only one correct answer.
 
If you want to read up on it, you can do so by clicking on the link below.
 
 
Learning objectives
  • Define acute and chronic wounds
  • Describe:
    • Hypertrophic and keloid scars and their treatment
    • Impaired wound healing
    • Effect of smoking on wound healing
    • Nutritional factors that impact on wound healing
    • Effect of diabetes mellitus on wound healing
    • Ehlers Danlos syndrome
    • Local, regional and systemic factors impacting on wound infection
    • Management of wound infection
    • Isomorphic response (Koebner phenomenon)
    • Pathergy
Created by: Dr Muhammad Wasay Ali Khan, DermNet NZ Volunteer
Editor
: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
Abnormal wound healing
Created 2020.
This exercise will ask you a set of eleven questions on abnormal wound healing. Each question contains only one correct answer.
 
If you want to read up on it, you can do so by clicking on the link below.
 
 
Learning objectives
  • Define acute and chronic wounds
  • Describe:
    • Hypertrophic and keloid scars and their treatment
    • Impaired wound healing
    • Effect of smoking on wound healing
    • Nutritional factors that impact on wound healing
    • Effect of diabetes mellitus on wound healing
    • Ehlers Danlos syndrome
    • Local, regional and systemic factors impacting on wound infection
    • Management of wound infection
    • Isomorphic response (Koebner phenomenon)
    • Pathergy
Created by: Dr Muhammad Wasay Ali Khan, DermNet NZ Volunteer
Editor
: Adjunct A/Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand
1. For the lesion illustrated, which of the following statements apply?
a. This type of scar is more common in white individuals
b. The scar is thickened due to excessive synthesis of fibronectin
c. It may have followed surgery
d. Histology is characterised by an extensive inflammatory nodular infiltrate within the dermis
2. Keloid scars:
a. May have claw-like extensions far beyond the original wound.
b. Are more common in white individuals
c. Are frequently seen on the nose, hands and feet
d. Are characterised by a lichenoid reaction pattern with marked basal cell death and vacuolar degeneration
3. Management of hypertrophic and keloid scars may include:
a. Radiotherapy followed by surgical excision
b. Intralesional corticosteroid injection followed by cryotherapy
c. Scar dressings made of silicone or polyurethane
d. Advice that body piercing is unlikely to cause abnormal scarring
4. Select the abnormality shown in the image above:
a. Behcet disease
b. Basal cell carcinoma
c. Neuropathic ulceration
d. Squamous cell carcinoma
5. Nutritional deficiencies leading to delayed wound healing include:
a. Vitamin C
b. Vitamin D
c. Selenium
d. Vitamin E
6. Diabetes affects wound healing because of greater prevalence of:
a. Squamous cell carcinoma
b. Fungal infection
c. Coagulation and haematological defects
d. Obesity
7. Ehlers Danlos syndrome may be associated with:
a. Genetic defects in elastic tissue synthesis and structure
b. Slow wound healing resulting in hypertrophic scars
c. Fragile and hyperelastic skin
d. Stiff and immobile joints
8. Select the abnormality shown in the image above:
a. Chronic ulcer
b. Pyogenic granuloma
c. Acne fulminans
d. Wart
9. For wound infection, which of the following statements apply?
a. The risk of wound infection is greatest after one week after surgery
b. Infection is more likely in patients taking oral corticosteroids
c. Tissue levels of greater than 102 pathogenic organisms are correlated with clinical infection
d. Chronic wounds are at higher risk of infection than acute wounds
10. Acute wound infection is most frequently due to:
a. Staphylococcus aureus
b. Group D enterococcus
c. Fusobacterium spp
d. Porphyromonas spp
11. In the prevention of wound infections:
a. Prophylactic antibiotics are advisable for most cutaneous surgical procedures
b. Smoking does not increase the risk of wound infection
c. Systemic antibiotics should only be prescribed if the patient is toxic
d. An infected wound must be cleansed and debrided to remove necrotic tissue
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