Why does nitroglycerin need to be kept in a dark, tightly closed bottle? a. exposure to air and light causes the drug to degrade. b. exposure to air and light increases the drug's potency. c. the effects of air and light have not been intensely investigated. d. exposure to air and light causes the drug to become unstable.

Ronald is concerned about exposure to antibiotics and hormones in our food supply. which type of wellness does this affect?

Which of the following is not a possible cause of conduction deafness? a) cochlear nerve degeneration b) middle ear infection c) impacted cerumen d) otosclerosis

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.