Ch27 quiz

Buffer systems, exhaling carbon dioxide and excretion by the kidneys, are all A. Ways to increase blood volume B. Ways of controlling H+ levels in the body C. Ways to make ions D. Ways to balance interstitial fluid E. Means of balancing blood volume

B. Ways of controlling H+ levels in the body

Which of the following occurs when water loss is greater than water gain? A. Insensible loss B. Evaporation C. None of these choices D. Precipitation E. Dehydration

E. Dehydration

Which of the following is produced when electrons are accepted by oxygen during cellular respiration? A. Carbohydrates B. Anions C. Cations D. Lipids E. Metabolic Water

E. Metabolic Water

Which of the following is a condition where blood pH is below 7.35? A. Acidosis B. Alkalemia C. Alkalosis D. None of these choices are correct. E. Isodosis

A. Acidosis

In intracellular fluid the most abundant cation is A. K+ B. Cl- C. HCO3 D. HPO4 E. Na+

A. K+

In extracellular fluid the most abundant cation is: A. Na+ B. K+ C. Cl- D. HCO3 E. HPO4

A. Na+

Sources of water gain in the body include: A. Ingested food B. all of these choices C. Ingested Liquids D. Metabolic Water

B. all of these choices

Which of the following is a function of an electrolyte in the body? A. Controlling osmosis between compartments B. Carry electrical currents C. All of these choices D. Maintaining acid-base balance E. Serve as cofactors

C. All of these choices

Which of the following is the main factor that determines water loss? A. Sweating B. Defecation C. Evaporation through the skin D. Urination E. Exhalation of water vapor

D. Urination

Which hormone plays a major role in regulating water loss? A. Aldosterone B. Thyroid hormones (T3 and T4) C. Estrogens D. Cortisol E. Antidiuretic hormone

E. Antidiuretic hormone