Explain the role of arginine vasopressin in fluid balance
Arginine vasopressin (AVP) -- previously known as antidiuretic hormone, acts on the renal tubules to reduce urine output in response to dehydration and hyperosmolality.
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? Ms. S is a 40-year-old female admitted to the hospital with nausea and vomiting. She had a Roux-en-Y gastric bypass two months ago. She reports that her symptoms have been persistent for two weeks and she cannot keep any food down, not even Gatorade. She reports not taking any vitamin and mineral supplements recommended by the RD because "they taste bad." Height: 5'4" Weight: 200# Diet: NPO The dietitian writes a PES statement for Ms. S's condition. Which is an example of the etiology for this patient?
A. symptoms lasting two weeks B. inadequate dietary intake C. Roux en Y procedure two months ago D. potential for electrolyte imbalance E. decreased vitamin intake
_______________ in nucleotides can both promote or suppress the production and function of a protein.
Fill in the blank(s) with the appropriate word(s).
Most "energy drinks" contain caffeine, which:
a. in higher doses is considered "doping" in most athletic organizations. b. is a central nervous system stimulant. c. in moderate amounts does not enhance athletic performance. d. a and b e. b and c
Injury to cells can include the breakdown of hemoglobin in red blood cells to _____
a. myoglobin b. bilirubin c. hemosiderin d. globin