my first practical nursing assignments

[gearheadz]

can somebody please help me explain or answer these following questions..

1. the rate of water loss from the skin of the hand was measured. Following the measurement the hand was soaked in alcohol for 15 minutes. After all the alcohol was removd from the hand, the rate of water loss was again measured, compared with the rate or water loss before soaking the hand in alcohol, what difference, if any, would you expect in the rate of water loss after soaking the hand in alcohol.

2. It has been several weeks since Goodboy player has competed in a tennis match. After the match he discovers that a blister has formed beneath an old callus on his foot and the callus has fallen off. When he examines the callus he discovers that it appears yellow. Can you explain why?

3. Consider the following statement- Dark skinned children are more susceptible to rickets (insufficient calcium in the bones) than fair skinned children. Defend or refute this statement.

4. Harry fastfeet, a white man, jogs on a cool day. What color would you expect this skin to be (a) after going outside and just before starting to run, (b) during the run, and © 5 minutes after the run?

Please help me explain these questions...