Anatomy & SciencesQuestion 298 of 484
A client develops itchy, blistering hand eczema only after she begins wearing nitrile gloves with a specific accelerator chemical. This delayed reaction, mediated by T-cells, is best classified as:
a.Bacterial folliculitis
b.Acute anaphylaxis (Type I hypersensitivity)
c.Allergic contact dermatitis (Type IV hypersensitivity)
d.Irritant contact dermatitis from soap dryness
Explanation
Allergic contact dermatitis is a T-cell-mediated, delayed (Type IV) reaction to a specific allergen, often appearing 24-72 hours after exposure. Irritant contact dermatitis is not immune-mediated and usually appears quickly with strong irritants.
Practice all 484 questions free — no signup required.
Related questions on this topic
- A client's fingernails appear concave, like small spoons that can hold a drop of water. This shape is called:
- A client shows red, greasy-looking scales along the scalp, eyebrows, and sides of the nose that come and go. This is most consistent with:
- After a shave service, a client returns with multiple small red bumps and pustules centered on hair follicles along the jaw. The most likely condition is:
- A new licensee plans to use a strong acid peel that, by visible inspection, removes part of the dermis to 'treat' deep wrinkles. Under California's cosmetology scope of practice, this is:
- Sebaceous glands in the dermis empty their secretion into which structure, and what is the secretion called?
- Which structure of the nail unit is the LIVING tissue responsible for producing new nail plate cells?
Last reviewed: · editorial process
Sen Lin, PrepPass Founder · Verified against California Board of Barbering & Cosmetology Exam · How we review