Describe the Carbonic Acid-Bicarbonate Buffer System

question 34

Multiple Choice

Describe the carbonic acid-bicarbonate buffer system.

• A)The carbonic acid-bicarbonate buffer system uses the hydrogen ions created by the metabolic and fixed acids to generate carbonic acid which dissociates into H₂O and CO₂,which can be eliminated by the lungs.
• B)The carbonic acid-bicarbonate buffer system uses hemoglobin to buffer hydrogen ions.
• C)The carbonic acid-bicarbonate buffer system uses the side group,the amino group,and the carboxylate group of amino acids to buffer pH changes.
• D)The carbonic acid-bicarbonate buffer system uses the kidneys to secrete or excrete bicarbonate to buffer pH.
• E)The carbonic acid-bicarbonate buffer system uses the lungs to exhale CO₂ to buffer pH.

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Definitions:

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.

Brain Tumor

A mass or growth of abnormal cells located within or close to the brain.

Somatic Nervous System

Part of the peripheral nervous system associated with voluntary control of body movements through the action of skeletal muscles.

Voluntary Activities

Acts performed by individuals out of free will, without coercion, often reflecting personal interests, values, or the desire to contribute to the community.