QUESTION 7 Sometimes, during stress or trauma, a person hyperventilates.  To avoid fainting, the person is advised to breath into a paper bag.  Explain how this "first-aid" technique help in restoring blood pH to normal levels.

Question 40 Which of these will be secreted into the renal tubules? O Vitamins O Antibodies O Amino acids O Creatinine O Glucose

QUESTION 20 During severe dehydration during exercise in the heat (>6%), the major concern replacing fluids is to replace water in the following system: O non-extracellular compartment O Intracellular compartment Intravascular compartment O Interstitial compartment

QUESTION 11 1. Control of fluid flow is vital for efficient respiration. With the development of more complex structures to alter fluid flow in aquatic ancestors, fishâ | fill their swim bladder with 02 to facilitate gas exchange to tissues drop their diaphragm muscle to open up the buccal cavity and bring in fresh water before expelling 02 poor water out expand the buccal cavity to draw water in before forcing it through gills and out the opercular cavity draw fluid through the opercular valve during inhalation, across the capillary beds in the gills, and out the oral opening