A paramedic is treating a patient who has a flail chest secondary to an assault. The patient has shallow breathing because of the extreme pain of the injury. If the respiratory system cannot compensate for this acid-base imbalance, the next buffering system activated is the:

a. Cardiovascular system
b. Digestive system
c. Nervous system
d. Renal system


Answer: d. Renal system

Anatomy & Physiology

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