IBEC Test Questions & Answers (100% Correct)

IBEC Test Questions & Answers (100% Correct) IBEC Test Questions & Answers (100% Correct) Average time of hair, reappearance after tweezing or waxing: Deep, coarse, bulbous terminal hair (as on chins) - ANSWER - 5 to 6 weeks Average time of hair, reappearance after tweezing or waxing: Medium depth, terminal hair (as on side of face and body) - ANSWER - 6 to 7 weeks Average time of hair, reappearance after tweezing or waxing: Medium depth intermediate or accelerated vellus hair - ANSWER - 7 to 9 weeks Average time of hair, reappearance after tweezing or waxing: Shallow vellus hair (downy, general face) - ANSWER - 8 to 10 weeks* Ultraviolet rays from sunlight react with the amino acid ____________ found in the melanocytes and produce melanin - ANSWER - tyrosine Generally, people of different races have approximately the same number of ______________. People with dark skin have melanocytes that are more _________ and produce more melanin. - ANSWER - melanocytes active The follicle _________ to about a third of its anagen size. - ANSWER - shrinks The ________ plays a viral role in maintaining the body's temperature and homeostasis. - ANSWER - skin _________________ are dendritic cells in the epidermis that have an immunologic function - ANSWER - Langerhans cells Langerhan cells are identical to ________ ________________ and present antigens to lymphocytes with which they interact via specific surface receptors. - ANSWER - tissue macrophages The interface between the epidermis and dermis is called - ANSWER - Basement membrane zone (BMZ) Electron microscopic examination reveals 3 layers: - ANSWER - 1. lamina lucida 2. basal lamina 3. anchoring fibrils Lamina lucida - ANSWER - relatively lucid zone transversed by delicate anchoring filaments that connect the cell membrane of the basal cell with the basal lamina