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Homework answers / question archive / University of South Florida, St

University of South Florida, St

Biology

University of South Florida, St. Petersburg

BSC 1005C

Quiz 4:

1)An arterial blood gas was performed on a patient and the following results were obtained: pH = 7.29, CO2 = 37 mm Hg, HCO3- = 20 mEq/L. What type of acid-base imbalance would be indicative of these values?

  1. Unresolved volume depletion can result in what condition?
  2. The act of ingesting bicarbonates before a sports event is called bicarbonate loading. What is the reason an athlete would do this?
  3. A condition associated with excess ADH secretion resulting in the excretion of concentrated urine is known by the acronym                                         .
  4. A standard arterial blood gas test measures arterial blood pH,                                  ,                              , and

                           .

 

  1. Describe the difference in PCO2 levels between hypercapnia and hypocapnia.

 

  1. What effect does complete enzyme denaturation have on enzyme activity?
  2. When PCO2 levels decrease, carbonic acid dissociates into CO2 and water. What effect does this have on H+ ion concentration and plasma pH?
  3. A temporary state of metabolic alkalosis results from a normal biological process called alkaline tide. When does alkaline tide occur?
  4. Respiratory centers that have been desensitized by barbiturates or alcohol can result in a condition of                                                    .

 

  1. If a person exercises for a long time, lactic acid will start to build up in his or her muscles. Which of the following would you expect to happen as the lactic acid first starts to be formed?
  2. Which of the following is a renal response to acidosis?
  3. Diarrhea can lead to which acid/base disturbance?
  4. Which of the following does NOT result in metabolic alkalosis?

 

 

 

 

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