Skin And Wound Healing

Question 0

Match the correct features with the type of wound healing:
Usually rapid healing, superficial wounds, slow granulation, wounds closed with sutures or staples, may be chronic, extends into dermis

Answer 0

Usually rapid healing = primary intention
Superficial wounds = primary intention
Slow granulation = secondary intention
Wounds closed with sutures or staples = primary intention
May be chronic = secondary intention
Extends into dermis = secondary intention

Question 1

Match the cells and tissues with the correct layer of skin:

Skin stem cells, melanocytes, keratinocytes, adipose cells, nerve endings, sweat glands, sebaceous glands

Answer 1

Skin stem cells = epidermis
Melanocytes = epidermis
Keratinocytes = epidermis
Adipose cells = dermis
Nerve endings = dermis
Sweat glands = dermis
Sebaceous glands = dermis

Question 2

Which of the following are not a type of wound dressing? Hydrofibre, hydroresins, hydrogels, hydrocolloids, alginates, film membranes, foams, gel mesh

Answer 2

Hydroresins and gel mesh

Question 3

Identify the phases of wound healing following injury …

Answer 3

Inflammation, proliferation, haemostasis, remodelling

Question 4

Which of the following statements isn’t true of the proliferative phase of wound healing?

• occurs in deep wounds
• occurs in shallow wounds
• lack of CO2 leads to angiogenesis
• lack of O2 leads to angiogenesis
• requires a warm moist-environment

Answer 4

Occurs in shallow wounds and lack of CO2 leads to angiogenesis

Question 5

Sebum is a mixture of …

Answer 5

Lipid, protein and cholesterol

Question 6

Which of the following is incorrect? Human skin …

• is the same thickness across the body
• can alter it’s own blood flow
• is sterile just below the epidermis
• is a blood reserve organ
• synthesises vitamin K

Answer 6

Is the same thickness across the body and synthesises vitamin K

Question 7

The correct term for skin is the …

Answer 7

Integumentary system

Question 8

The typical microorganism count per squared cm of skin is …

Answer 8

3 million

Question 9

Which of the following statements is true of the remodelling phase in wound healing?

• osteocytes degrade collagen
• fibroblasts degrade collagen
• fibroblasts synthesise collagen
• osteocytes synthesise collagen

Answer 9

Fibroblasts synthesise collagen