One type of experimental contraceptive device is a skin patch that contains a chemical absorbed through the skin. Which of the following substances might be the type of chemical involved?
A) Proteins
B) Water-soluble substances
C) Lipid-soluble substances
D) Carbohydrates
E) Amino acids

Question

Quizplus · Accepted Answer

Lipid-soluble substances are more likely to be absorbed through the skin because the skin's cell membranes are composed of lipids. Water-soluble substances, proteins, carbohydrates, and amino acids would not easily pass through the lipid bilayer of skin cells.

One Type of Experimental Contraceptive Device Is a Skin Patch