Biol 105 - Fluid balance

Choose the correct answer for each question.

1 Which of the following mechanisms can lead to reduced plasma volume during exercise: Increased blood pressure at the beginning of exercise leads to increased fluid filtration out of capillaries. Water is lost due to sweating. ADH is released by the pituitary gland. A and B. A, B, and C. 2 Which of the following mechanisms would increase water loss by the kidney (i.e. lead to more water in the urine). Decreased water permeability of the collecting tubule Increased salt reabsorption by the loop of Henle. Decreased filtration of fluid at the glomerulus. Secretion of potassium into the kidney tubule. None of the above. 3 Which of the following "meals" would make the blood most hypotonic? A bag of potato chips and a 2 liter coke. A bag of potato chips 2 liters of water. A small salad. None of the above would make the blood hypotonic. 4 Which of the following "meals" is most likely to cause some cell shrinkage after ingestion? A bag of potato chips and a 2 liter coke. A bag of potato chips. 2 liters of water. A small salad. None of the above would cause cell shrinkage.