9. Wher membrane potential is negative, which side of the membrane is negatively charged? What about when the membrane potential is positive?

Ms. b is a 40-year-old woman who is the ceo of a struggling company. lately she has been experiencing headaches that are so severe that she gets dizzy and nauseated, and she is unable to carry out her usual daily routines. she reports that they usually begin as a throbbing pain in the left temple and then seem to spread throughout her head. a diagnosis of migraine headache is made after several tests. based on the patient history and signs and symptoms, discuss this type of headache and its physiological causes. discuss the available treatments to prevent and/or relieve the patient’s migraine.

Which of the following is the most common source of thermal injury to a patient during surgery? a. harmonic scalpel b. ligasure c. lasers d. electrosurgical unit

It is believed that at least 1/5 of all pregnancies ends in spontaneous abortion before the end of the second month. a. true b. false