Question

1. which of the following occurs during the anagen phase of the hair growth cycle? a) the hair sheds. b) the follicle canal shrinks. c) new hair is produced. d) the hair bulb disappears. 23. which of the following occurs during the catagen phase of the hair growth cycle? a) the hair sheds. b) the follicle canal shrinks and detaches from the dermal papilla. c) new hair is produced. d) the hair bulb appears, and the enlarged root end forms a rounded club. 24. which of the following statements is true of the telogen phase of the hair growth cycle? a) it is the final hair cycle phase. b) less than 1 percent of scalp hair is in the telogen phase at any time. c) about 90 percent of scalp hair is in the telogen phase at any time. d) it lasts two to six years. 25. which of the following is a myth about hair? a) shaving and cutting hair makes it grow back darker and coarser. b) scalp massage can stimulate blood microcirculation. c) gray hair is the same as pigmented hair in terms of texture. d) genetics determines the growth rate of hair.

Explanation:

• For question 22, the anagen phase is the growth phase where new hair is produced.
• For question 23, in the catagen phase, the follicle canal shrinks and detaches from the dermal papilla.
• For question 24, the telogen phase is the resting phase and is the final hair - cycle phase.
• For question 25, shaving and cutting hair does not make it grow back darker and coarser, which is a common myth.

Answer:

1. C. New hair is produced.
2. B. The follicle canal shrinks and detaches from the dermal papilla.
3. A. It is the final hair cycle phase.
4. A. Shaving and cutting hair makes it grow back darker and coarser.