1. What are benign, keratin-filled cysts that can appear just under the epidermis and have no visible
openings?
Answer: Milia.
2. What is an inflammation of the skin caused by coming into contact with certain chemicals or
substances?
Answer: Contact dermatitis.
3. What is a small, raised bump on the skin that can be easily felt?
Answer: Nodule.
4. What is characterized by piles of material on the skin surface, such as crusts or scabs, or depressions
in the skin surface, such as an ulcer?
Answer: Secondary lesion.
5. What is an itchy, swollen lesion that lasts only a few hours and is caused by a blow or scratch?
Answer: Wheal.
6. What are small, dark spots on the skin that are often hereditary?
Answer: Lentigo.
7. What is an abnormal growth of skin?
, Answer: Hyperplasia.
8. What is an open lesion of the skin or mucous membrane of the body accompanied by pus and loss of
skin depth, possibly with weeping fluids?
Answer: Ulcer.
9. What is a chronic condition that appears primarily on the cheeks, nose, and is characterized by
flushing?
Answer: Rosacea.
10. What is an allergic reaction caused by repeated exposure to chemical substances?
Answer: Sensitization.
11. What are large, protruding pockets of sebum-filled lesions that should be surgically removed?
Answer: Sebaceous cysts.
12. Who creates melanin, the pigment responsible for skin color?
Answer: Melanocytes.
13. What are hair follicles filled with keratin and sebum, also known as "whiteheads"?
Answer: Comedo.