Chapter
occurs when irritating substances temporarily damage the epidermis
Irritant Contact Dermatitis
T/F Mild forms of acne can be treated without a medical referral.
True
are environmental factors that contribute to skin aging.
Extrinsic factors
The most common form of sun protection is
Sunscreen
What is the difference between UVA and UVB rays?
UVA rays penetrate deeper into the skin, causing aging and long-term damage, while UVB rays are responsible for sunburn and direct DNA damage.
is an allergic reaction created by repeated exposure to a chemical or a substance.
Sensitization
What are the main causes of acne?
Acne is caused by excess sebum production, clogged pores, bacteria, and inflammation
How often should sunscreen be reapplied?
Sunscreen should be reapplied every two hours and immediately after swimming or sweating.
SPF stands for ? what does it measure
Sun protectant factor and measures the level of protection against UVB rays, which cause sunburn.
What SPF is recommended for daily use?
An SPF of 30 or higher is recommended for daily use to protect against everyday UV exposure.
a genetic condition where the skin, hair, and eyes lack melanin, making the individual more susceptible to UV damage.
albinism
What is the difference between whiteheads and blackheads?
Whiteheads are closed comedones where the follicle is blocked, while blackheads are open comedones, where the blockage is exposed to air and oxidizes.
also known as pinkeye, is an eye infection and may be caused by a bacterium or a virus. It can be extremely contagious.
conjuctivitis
What is a pustule, and how does it differ from a papule?
A pustule is an inflamed lesion filled with pus, while a papule is a small, raised lesion without pus
an abnormal growth of the skin, such as a mole, wart, or skin tag.
hypertrophy
a disorder where the immune system attacks melanocytes, causing white patches of skin due to loss of pigment.
vitiligo
Name two common treatments for acne.
Common treatments include topical retinoids and benzoyl peroxide.
Least common, most dangerous form of skin cancer; characterized by black or dark brown patches on the skin that may appear uneven in texture, jagged, or raised
Malignant Melanoma
An uncomfortable inflammatory skin disease that is often chronic. • Characterized by moderate to severe inflammation, scaling, and sometimes severe itching.
eczema
contagious bacterial skin infection characterized by weeping lesions. Staphylococcus bacteria usually cause it.
impetigo
a condition involving visible capillaries, 0.02 to 0.04 inch (0.5 to 1.0 millimeter) in diameter, commonly found on the face, particularly around the nose, cheeks, and chin.
telangiesctasia
How does diet impact acne?
Diets high in sugar and dairy may trigger acne in some individuals by increasing inflammation and sebum production.
What is melasma, and what triggers it?
Melasma is a type of hyperpigmentation triggered by hormonal changes (e.g., pregnancy, birth control) and sun exposure.
Also known as prickly heat, is an acute inflammatory disorder of the sweat glands characterized by the eruption of small red vesicles accompanied by burning, itching skin.
Miliaria Rubra
Name 3 types of sweat glands and the conditions that follow them.
Hyperhidrosis • Excessive sweating caused by heat, genetics, stress, medications, or general body weakness. Requires a medical diagnosis and treatment
Bromhidrosis • Foul-smelling perspiration, usually noticeable in the armpits or on the feet, generally caused by bacteria
Anhidrosis • A deficiency in perspiration or the inability to sweat; it is often a result of damage to autonomic nerves