Normally, an adult at rest should have respirations that:
A) are 20 to 24 breaths/min with adequate chest rise.
B) follow a regular pattern of inhalation and exhalation.
C) have a slightly reduced tidal volume and normal rate.
D) are adequate to sustain a heart rate of 80 beats/min.
Answer: B) follow a regular pattern of inhalation and exhalation.
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