Question

for questions 19 – 23, decide if the descriptions deserve a t for true or a f for false. if a statement is false correct the description to make it true. 19. hair is mainly composed of cerumen: ____ 20. hair color is due to melanin: __ 21. sebaceous glands are associated with hair: ____

Explanation:

1. For question 19: Cerumen is earwax, while hair's main component is keratin. The statement is false, so it needs correction.
2. For question 20: Melanin is the pigment that gives hair its varying colors (from blonde to black to red tones), so this statement is true.
3. For question 21: Sebaceous glands are typically located in the dermis and open into hair follicles, so they are associated with hair follicles, making this statement true.

Answer:

1. F; Corrected statement: Hair is mainly composed of keratin.
2. T
3. T