1. Which response serves to decrease body temperature if bodytemperature increases above its normal range?
Question 2 options:
| constriction of blood vessels in the dermis |
| increased contraction of skeletal muscles |
| increased secretion of sweat from sweat glands |
2.Where in the epidermis is new cell division most likely tooccur?
| stratum basale |
| stratum corneum |
| stratum granulosum |
| stratum lucidum |
3. How long is a keratinocyte typically part of the epidermisbefore it is sloughed off of the apical surface?
Question 8 options:
| 2-3 days |
| 10-20 days |
| 40-50 days |
| about six months |
4.
Which of the following correctly describes the root and theshaft of a hair?
| the shaft is the portion of the hair that is above the surfaceof the skin whereas the root is the portion of the hair that isbelow the surface of the skin |
| the shaft is the portion of the hair that is surrounded by thehair follicle whereas the root is the portion of the hair that isnot surrounded by the hair follicle |
| the shaft contains actively dividing hair cells whereas the rootcontains only dead cells |
| the shaft is attached to the arrector pili muscle whereas theroot is attached to sweat glands |
5.
Which portion of the hair contains cells that actively undergomitosis?
| shaft |
| follicle |
| matrix |
| cuticle |
