51. A 38-year-old woman has a blood pressure of 120/72 mm Hg while supine and 118/78 mm Hg while standing. Which of the following changes in the autonomic nervous system, when going from a supine to a standing position, most likely maintains stable blood pressure in this woman? Vagal Afferent Activity Sympathetic Efferent Activity Parasympathetic Efferent Activity A) 1 no change B) no change No change no change No change No change no change no change OOOOOOO F) G)

A 60 year-old patient HA, who was bedridden for a few days, feels dizzy and experiences significant increase in his heart rate after standing up. If this patient is regularly taking Angiotensin Converting Enzyme (ACE) inhibitor, such as lisinopril, how will this drug affect his sympathetic discharge to the heart, to veins and to arterioles? What changes in his blood pressure can be expected? What advice should be given to this patient?

Put the following statements in the correct order from 1 to 7

87. A 58-year-old man who is a construction worker comes to the office because of a 1-week history of pain on the right side of his head. One week ago, he says he struck his head on a beam while carrying drywall to the second floor of a house under construction. He has had dry mouth, excessive thirst, and increased urinary frequency during this period. His pulse is 120 /min, respirations are 25/min, and blood pressure is 120/65 mm Hg. Physical examination shows dry mouth and decreased skin turgor. Urine osmolality is 196 mOsmol/kg HD (1287), An MRI c the brain shows a hyperintense signal consistent with hemorrhage of the posterior pituitary gland. This patient most likely has decreased renal reabsorption of which of the following? 00 A) Chloride ions B) Magnesium ions C) Potassium ions D) Sodium ions E) Water