Which describes the effect of prolonged stress on blood pressure? a. it has little or no effect on blood pressure. b. it causes blood pressure to decrease. c. it causes the heart to pump with more force. d. it causes blood pressure to increase.

Which of the following is a positive response to stress? select one: a. smiling b. naming it c. working more d. joking about how stressed you are

In multiple sclerosis, the immune system destroys the substance that coats and protects nerve fibers in the brain and spinal cord. this causes inflammation and injury to the nerves, and the axons don't conduct impulses as well.

If scientists are trying to use what they know about hsv to devise a means of protecting other people from being infected, which of the following would have the best chance of lowering the number of new cases of infection? a) vaccinate of all persons with preexisting cases of hsvb) interfere with new viral replication in preexisting cases of hsvc) treat hsv lesions to shorten the breakoutd) educate people about avoiding sources of infection