Which of the following best describes the mediastinum?
A) The space that houses the heart, aorta, and esophagus
B) The fibrous sac surrounding the heart
C) The space between the inner and outer lining of the lungs
D) The space between the ribs and the diaphragm
A
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The rule of nines is a tool used to:
A) gather a thorough and detailed medical history. B) estimate the total body surface area affected by burns. C) determine the likelihood of death from hypovolemic shock. D) calculate the total amount of blood lost from trauma.
You are providing rescue breathing to an unresponsive, nonbreathing child who shows signs of circulation. How often should you provide rescue breaths for this child?
A. Once every twelve seconds (five breaths per minute) B. Once every five seconds (twelve breaths per minute) C. Once every four seconds (fifteen breaths per minute) D. Once every six to eight seconds (eight to ten breaths per minute) E. Once every ten seconds (six breaths per minute)