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- 1. On a hot day a tourist in the wilderness could not find a source of drinking water for a long time. Finally, he reached a village and quenched his thirst. How will his water and salt balance change after that? For answer: a) name the hormones that regulate the water and salt balance; b) draw a chart explaining the occurrence of thirst; c) using the chart, compare the state of the tourist's water and salt metabolism before he drank water and after. Id abil Digestiu9. Discuss the relationship between glucose, potassium, and insulin..
- #9People who begin to lose weight often havea rapid weight loss in the first few days. Common knowledge saysthat this is “just” because of a loss of water from the body. Whymight this be true?A 35 year old individual is drinking from a gallon water bottle. They feel dizzy upon standing and tend to complain of frequent urination and thirst. They can't take trips becuase they may be too far from a bathroom. They frequently get up at night to urinate. What most importantly distingues between diabetes mellitus and diabetes insipidus? a.) glucose in the urine b.) concentration of the urine c.) aldosterone levels d.) protein in the urine
- 7. A 24-year-old woman decides to lose weight. She chooses a high-protein, low-carbohydrate diet for rapid weight loss. In order to metabolize the large quantity of amino acids that enter the blood, a hormone is released that stimulates amino acid transport into the tissues. The hormone released is most likely which of the following? A) Aldosterone B) Epinephrine C) Glucagon D) Insulin E) Testosterone1-soluble fiber can reduce the risk of cardiovascular disease by reducing the intestinal absorption of ........ and reabsorption ......... 2-Pellagra occurs in a low-protein diet. thiamine deficiency is related to the consumption of rich in empty-kcal diet? 1-true 2-faluse17. Describe metabolically what occurs in the fasting state from 12 to 24 hours and from 24 to 48 hours. This information will have to be researched. Can occasional fasting be beneficial? If so why, if not why?
- 19. The diagram shows the internal feedback mechanism that maintains blood-calcium (Ca2+) homeostasis. If a person has a blood-calcium (Ca2+) level of 8mb/100ml of blood, which of the following mechanisms does the body use to maintain blood-calcium homeostasis? 47 The diagram shows the internal feedback mechanism that maintains blood-calcium (Ca homeostasis. Increases Ca reabsorption in Intestines Active vitamin D Stimulates Ca reabsorption in kidneys Releases PTH parathyrold hormone Stimulates Ca release from bones Parathyrod 9land (behind thyoid) Blood Cat level rises Homeostasis: Blood Cat level (about 10 ma/100 mL) Stimulus: Falling blood Cat level Ir a person has a blood-calcium (Ca) level of 8 ma/100 ml of blood, which of the following mechanisms does the body use to maintain blood-calcium homeostasis? a. The kidneys take up more Ca2+ and release vitamin D. b. The bones release Ca2+ c. The intestines increase reabsorption of Ca2+ d. All of the above1. A student has fasted for a day to lose weight. How did the carbohydrate metabolism change when the absorptive state was switched to 24 hrs fasting? For answer the question: a) compare the changes in carbohydrate metabolism in the student's liver after the last meal and by the end of the first day of fasting, and draw appropriate charts; b) list the peptide hormones with an increased level in the student's blood during the absorptive state and by the end of the first day of fasting, name the site of their synthesis, secretion stimuli, target organs and draw the diagram of mechanism of signal transduction of these hormones in the target cells; c) name the regulatory enzymes of the metabolic pathways with increased activity and amount under the action of these hormones.50. A diabetic suffers from chronic thirst because: A. elevated p[glucose] causes chronic ADH release B. elevated p[glucose] causes decreased ADH release C. elevated p[glucose] causes decreased extracellular osmotic pressure D. elevated p[glucose] causes decreased p[solute] E. None of the above is correct.
