anatomy and physiology

A patient with chronic skeletal muscle spasms was placed on an anticholinergic medication (Chapter 14) The muscle spasms have gone, but now the patient also reports a loss of muscle strength. In addition, the patient’s blood pressure is so low that she faints if she stands up too quickly. Explain the effects of the medication the patient received? (B) Name and describe the locations of the four major plexuses of spinal nerves. Name two major nerves arising from each of the four major plexuses, and which part of the body they affect/support (Chapter 13. Section 13.3 in Ammerman). (C).Explain the different “Errors in Refraction” (Sec 15.5) and what are the major structures in the inner ear, their makeup and their function (what do they do & how),