Layers of the Skin
What are the three major regions of the skin?
Epidermis, Dermis, and Hypodermis
What is the function of the hair?
Alerting the body to the presence of insects on the skin and Guarding the scalp against physical trauma, heat loss, and sunlight (can say either one for points)
What do keratinocytes produce?
keratin
What is the rule of nines used for?
Used to estimate the volume of fluid loss from burns
What are the three major types of skin cancer?
Basal cell carcinoma, Squamous cell carcinoma, and Melanoma
What are the two layers of the Dermis?
Papillary and Reticular
What type of hair is course. (ex. long hair of eyebrows)
Terminal
What are the 2 main types of sweat glands?
eccrine and apocrine
What type of burn involves the entire thickness of the skin being damaged and requires skin grafting?
Third degree burns
What’s the most dangerous skin type
melanoma
What are the 3 pigments that contribute to skin color
Melanin, Carotene, and Hemoglobin
What type of cells does hair consist of?
Hair consists of dead, hard keratinized cells
What is the function of Merkel Cells?
Sensory Receptors for touch
Name one of the 3 places it is critical to have a third-degree burn
Face, hands, and/or feet
What percent of Basal Cell Carcinoma cases are cured by surgical excision?
99%
What cells proliferate and slowly invade dermis and hypodermis?
Stratum basale
What are the smooth muscles attached to the skin hair follicles?
Arrector Pili
Pigment-producing cells in the epidermis are ________.
melanocytes
Burns that result in injury to the epidermis and the upper regions of the dermis is what kind of burn?
second-degree
What does the ABCD rule stand for?
Asymmetry, Border, Color, Diameter
The only place you will find stratum ________ is in the skin that covers the palms, fingertips, and soles of the feet
lucidum
What is male pattern baldness caused by?
follicular response to DHT
Oily skin and acne are produced from this
Sebum from Sebaceous Glands
What is the immediate threat from burns?
Dehydration/fluid loss
What are 2 of the 4 most common places for Squamous Cell Carcinoma?
Most common on scalp, ears, lower lip, and hands