Which of the Following Statements Are True of Acid-Base Regulation

question 4

Multiple Choice

Which of the following statements are true of acid-base regulation (Select all that apply) ?

• A)The respiratory system responds to metabolic acidosis by decreasing the breathing rate to conserve CO₂.
• B)The respiratory system is only about 10% effective at correcting a long-term pH imbalance.
• C)Respiratory acidosis is caused by anything that decreases the rate or efficiency of breathing.
• D)Correction of a long-term pH imbalance depends primarily on the kidneys.
• E)The kidneys respond to acidosis by retaining hydrogen ions.
• F)If the pH of the blood is 7.5,the blood is slightly alkaline,but physiologically is "too alkaline."
• G)A state of acidosis causes increased nerve activity that may progress to seizures.
• H)A state of alkalosis causes confusion and impairment of consciousness.

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Definitions:

Aqueous Solution

A solution in which water is the solvent.

Ionic Compounds

Chemical compounds composed of ions held together by electrostatic forces termed ionic bonding.

Solutes Dissolve

The process by which a solute interacts with a solvent, dispersing evenly at the molecular or ionic level to form a solution.

Temperature

A physical quantity representing the degree of hotness or coldness of an object or substance, usually measured in degrees Celsius, Fahrenheit, or Kelvin.