Your partner is evaluation a 22-year-old man thrown from his motorcycle. He tells you he is observing Biot's respirations. What pattern of ventilation would you expect to find?

A) Irregular breathing of rate and depth with periods of apnea
B) Shallow, rapid breathing
C) Slow, deep, gasping respirations
D) Progressively deeper, faster respirations alternating with slowing, shallower breathing

Answer: A