Primary Lesions
What is a small, raised, solid bump that may be part of a rash?
Papule
What is a dried mass of blood, serum, or pus on the surface of the skin?
Crust
What is the technical term for blackheads?
Open comedones
What highly contagious skin infection causes honey-colored crusts and is common in children?
Impetigo
What should you do if a client presents with an undiagnosed skin growth or lesion?
Refer the client to a physician or dermatologist.
What is a small blister or sac containing clear fluid, typically less than 0.5 cm?
Vesicle
What is the shedding of dead skin cells called, often seen in conditions like psoriasis?
Scale
What is the bacteria associated with acne breakouts?
Cutibacterium acnes (formerly Propionibacterium acnes)
What is the fungal infection of the skin also known as ringworm?
Tinea Corporis
What condition makes waxing unsafe due to blood-thinning and sensitivity?
Use of medications like Accutane or certain anticoagulants
What is a solid, elevated lesion larger than a papule, often extending into the dermis?
Nodule
What is a crack in the skin that may penetrate into the dermis?
Fissure
What is a closed comedone more commonly called?
Whitehead
What skin condition caused by a virus result in fluid filled blisters, often on or around the lips?
Herpes simplex
Why is it important to ask about autoimmune conditions before performing treatments?
Some treatments may overstimulate the immune system or cause flare-ups
What type of lesion is a flat discoloration on the skin, such as a freckle?
Macule
What is the term for a loss of skin surface that may occur after a popped pimple or injury?
Excoriation
What is a large, inflamed lesion filled with pus that can scar if not treated?
Cystic acne (or cyst)
What type of wart is caused by the human papillomavirus (HPV) and often appears on hands and fingers?
Verruca vulgaris
What is a contraindication?
A condition or factor that makes a treatment inadvisable or unsafe.
What is a larger fluid-filled lesion that is more than 0.5 cm in diameter?
Bulla
What is a thickened, scar-like lesion that results from excessive tissue growth during healing?
Keloid
What type of acne is most commonly triggered by hormonal changes?
Acne vulgaris
What parasitic skin infestation causes intense itching and requires medical treatment?
Scabies
What should you do if a client shows signs of an allergic reaction during treatment?
Stop the service immediately, remove any products, and provide a cold compress. Refer if necessary.