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A) Left bronchus B) Left bronchioles C) Right bronchus D) Right bronchioles 4. What is the role of the medulla in the regulation of respirations? A ) Works to produce a normal breathing rhythm B) Involuntary control of the depth and rate of respirations C ) Allows some voluntary control over breathing D Stimulates the muscles of respiration 5. While describing the exchange of gases in the body, how should the nurse explain the formation of carbonic acid? A) Reaction of carbon dioxide with water B) Combination of bicarbonate ions C) Combination of hydrogen ions D) A waste product of metabolism 6. Which acid-base imbalance is most likely to result from hyperventilation? Respiratory acidosis B) Metabolic alkalosis C) Metabolic acidosis D ) Respiratory alkalosis