Acid- Base Homework questions(Correct answers)
a correct answersWhich organs are the ultimate acid-base regulatory organs?
a. kidneys
b. lungs
c. cardiovascular organs
d. GI tract organs
c correct answersWhich chemical buffer system is the only important system in the extracellular
fluid (ECF) that resists short-term changes in pH?
a. protein buffer system
b. physiological buffering systems
c. bicarbonate buffer system
d. phosphate buffer system
d correct answersIn order to buffer a strong acid into a weak acid, which has a less dramatic
effect on pH, what chemical should be used as the buffer?
a. weak acid
b. water
c. salt
d. weak base
d correct answersWhich of the following is TRUE regarding the pH of a solution?
a. The fewer hydrogen ions in a solution, the more acidic the solution is.
b. The more hydroxyl ions in a solution, the more acidic the solution is.
c. The fewer hydroxyl ions in a solution, the more basic the solution is.
d. The more hydrogen ions in a solution, the more acidic the solution is.
d correct answersWhat is the effect of hyperventilation on pH?
a. respiratory acidosis
b. metabolic alkalosis
c. metabolic acidosis
d. respiratory alkalosis
a correct answersThe pH scale ________.
a. is based on the concentration of hydrogen ions in a solution
b. is linear
c. ranges from 1 to 7
d. is based on the salinity of a solution
b correct answersWhat is the classification of a solution with a pH of 8.3?
a. buffered solution
b. alkaline solution
c. neutral solution
d. acidic solution
a correct answersWhich organs are the ultimate acid-base regulatory organs?
a. kidneys
b. lungs
c. cardiovascular organs
d. GI tract organs
c correct answersWhich chemical buffer system is the only important system in the extracellular
fluid (ECF) that resists short-term changes in pH?
a. protein buffer system
b. physiological buffering systems
c. bicarbonate buffer system
d. phosphate buffer system
d correct answersIn order to buffer a strong acid into a weak acid, which has a less dramatic
effect on pH, what chemical should be used as the buffer?
a. weak acid
b. water
c. salt
d. weak base
d correct answersWhich of the following is TRUE regarding the pH of a solution?
a. The fewer hydrogen ions in a solution, the more acidic the solution is.
b. The more hydroxyl ions in a solution, the more acidic the solution is.
c. The fewer hydroxyl ions in a solution, the more basic the solution is.
d. The more hydrogen ions in a solution, the more acidic the solution is.
d correct answersWhat is the effect of hyperventilation on pH?
a. respiratory acidosis
b. metabolic alkalosis
c. metabolic acidosis
d. respiratory alkalosis
a correct answersThe pH scale ________.
a. is based on the concentration of hydrogen ions in a solution
b. is linear
c. ranges from 1 to 7
d. is based on the salinity of a solution
b correct answersWhat is the classification of a solution with a pH of 8.3?
a. buffered solution
b. alkaline solution
c. neutral solution
d. acidic solution
