Quiz 1

Question 1

What is the Integumentary System and what does it include?

Answer 1

The Integumentary system is the external covering of the human body and includes: the skin (dermis, epidermis), hair, nails, and sweat glands.

Question 2

What are the types of Sweat glands?

Answer 2

Eccrine, apocrine, sebaceous

Question 3

What percent of body weight does the skin make up in the human body?

Answer 3

15-20%

Question 4

pH of skin tends to be more basic than acidic, true or false?

Answer 4

False - the pH of healthy human skin tends to be between 4.0-6.5. This is raised when an open wound is present (6.5-8.0).

Question 5

What are the 5 layers of the epidermis?

Answer 5

Corny Luck Grants Spiny Bass (trying to think of better pneumonic)

Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Basale

Question 6

What are the 2 layers of the dermis?

Answer 6

Papillary Dermis, Reticular Dermis

Question 7

Is the epidermis a vascular structure?

Answer 7

No - the epidermis is nourished from the blood supply of the dermis through diffusion

Question 8

What are the functions of the subcutaneous layer?

Answer 8

Thermal Insulation, energy/caloric storage, cushion for the pushin

Question 9

What are the (4) stages of healing?

Answer 9

Hemostasis - retraction and sealing off of blood vessels

Inflammation - lasts 4-6 days

Repair - granulation, wound contraction, epithelialization

Remodeling - from day 8-up to (possibly exceeding) 1 year

Question 10

What are the typical characteristics of chronic wounds that differ from acute wounds?

Answer 10

• prolonged inflammation
• failure to progress through the proliferative stage
• failure to re-epithelialize