Why is LDL cholesterol called "bad cholesterol"? It builds cells and makes other substances in the body.

It sticks to the walls of blood vessels, and can lead to heart disease.

It protects against heart disease.

It lowers the risk of heart disease in some people, but not in others.

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

Does the weight loss program have practical significance? a. no, the program is not practically significant because the results are likely to occur even if the weight loss program has no effect. b. yes, the program is practically significant because the results are too unlikely to occur by chance. c. yes, the program is practically significant because the amount of lost weight is large enough to be considered practically significant. d. no, the program is not practically significant because the amount of weight lost is trivial.

  when we experience conflict, it threatens our needs to feel