Test: Skin

Question 1

15. The tube in the skin that holds and grows the hair shaft is called

Answer 1

Hair follicle (NB - 32-38)

Question 2

26. Your dead skin cells make up what percentage of the dust in your house?

Answer 2

80% (NB-38)

Question 3

38. What is an example of negative feedback?

Answer 3

Waste building up in your lower intestine (NB-39)

Question 4

43. Light-skinned races such as Caucasians have

Answer 4

Approximately the same number of melanocytes as races with darker skin. (NB-38)

Question 5

45. What are the 5 main functions of the skin?

Answer 5

Temperature regulation, protection against germs, Vitamin D production, elimination of waste, and gathering information
(NB-32)

Question 6

57. For a cell to move from the basal layer to the top layer of the epidermis takes approximately

Answer 6

2 weeks (NB-38)