Which of these occurs when air leaves the lungs?
A. Air pressure in the lungs is higher than atmospheric pressure, and the diaphragm relaxes.
B. Thoracic pressure decreases.
C. The diaphragm contracts, enlarging the thoracic cavity.
D. The intercostal muscles raise the ribs.
A. Air pressure in the lungs is higher than atmospheric pressure, and the diaphragm relaxes.
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You are responding to a motor vehicle crash on the interstate. Which of the following describes the BEST way to assure you will arrive safely?
A) Have your partner handle communication with the dispatch center. B) Do not put your lights and sirens on until you get close to the scene. C) Finish eating your dinner before you arrive at the accident scene. D) Follow another emergency vehicle when you drive through red lights.
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A. Conductive C. Sterile B. Nonconductive D. Nonsterile