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

question 28

Multiple Choice

Which of the following statements are true of acid-base regulation? (Read carefully and select all of the correct statements.)

• 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:

Abnormal Condition

Any state of health that deviates from the normal or healthy condition.

Lung

A pair of spongy, air-filled organs located on either side of the chest responsible for gas exchange between the air and the bloodstream.

Abbreviation

A shortened form of a word or phrase used for convenience.

SARS

Severe Acute Respiratory Syndrome, a viral respiratory illness caused by a coronavirus, notable for a global outbreak in 2003.