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12 And 36 Hours Case Study

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CASE STUDY
After work on a Friday night, Dan and some friends had a late dinner at a fast-food restaurant. Shortly afterward, Dan began feeling ill, so he went to his dorm room. By midnight, he was very nauseated and vomited repeatedly over the next several hours. The next morning, he was vomiting at least once per hour, so he went to the student health center. At that point, it was about 12 hours since he had begun feeling nauseated. Each time he vomited, a significant volume of acidic gastric fluid was expelled. A physician examined him and ordered blood tests. The physician then diagnosed gastroenteritis caused by an unknown microorganism and prescribed medication for the infection. The next day, about 36 hours after Dan had begun to feel …show more content…
Explain the changes in plasma pH and plasma HCO3- between 12 and 36 hours.
3. Explain the plasma PCO2 at 12 and 36 hours.
4. Explain why all the parameters had returned to normal by 72 hours.

The body regulates its water content so that the total volume remains constant: The volume of water entering the body equals the volume exiting the body each day. Any changes in the total water volume would alter the solute concentration of body fluids, blood pressure, and interstitial fluid pressure. Each time Dan vomited, he was losing a lot of fluid which mostly composed of water. Since he was feeling so nauseated, he didn't consume any food nor liquid. Water in other words fluids is absorbed across the wall of the digestive tract by osmosis. Which means that the amount of water entering the body depends on the amount of water consumed. The more water a person drinks, the faster it is absorbed. Since Dan was vomiting so much he eliminated all the fluids from his stomach, because of that he lost a lot of weight. Demonstrating the rapidly changes in his body weight. Moreover, because of the decrease in plasma cell, his blood pressure began to decrease activating special mechanisms that regulate blood pressure and blood volume. Meanwhile, Dan kept vomiting increasing his heart rate as result of his loss of

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