Which of the following statements is true regarding the use of significant figures in science?
A) All numbers must be rounded so that all digits are considered significant.
B) Any uncertain digits must be clearly documented alongside the measurement.
C) It is customary to report measurements such that only the last digit is uncertain.
D) Measurements must be repeated until no uncertain digits remain.
C
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The maxillae form which of the following structures?
A) Lower jaw B) Upper jaw C) Forehead D) Cheek bones
Your partner is evaluating 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