Calculate the mean arterial pressure (map) for a patient whose systolic blood pressure is 120 mm hg and diastolic blood pressure is 70 mm hg.

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.