The EMT exhibits an accurate understanding of breathing when he states:
A) "When a person inhales, carbon dioxide is drawn into the lungs, and when he exhales, oxygen leaves the body."
B) "Respiration is best described as the process of moving air into and out of the body."
C) "Inhalation requires energy, while exhalation for most patients is a passive process."
D) "In between breaths, the epiglottis protectively closes over the trachea."
C) "Inhalation requires energy, while exhalation for most patients is a passive process."
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The EMT is administering oxygen at 95% through a nonrebreathing face mask. He would document this as a FiO2 of:
A) 0.21. B) 0.50. C) 0.95. D) 1.00.
____ energy is energy stored within a mechanical system.
A. Kinetic B. Potential C. Chemical D. Barometric
Answer the following statement(s) true (T) or false (F)
1. Melatonin is released by the pineal body and helps to regulate circadian rhythms. 2. The heart secretes the hormone atrial natriuretic peptide, which regulates the blood pressure. 3. The thymus gland releases thymosin, which promotes the production of T cells. 4. The kidneys secrete erythropoietin, which helps regulate your biological clock. 5. The kidneys secrete erythropoietin, which stimulates blood cell production.
According to ADA guidelines, a clearance space in rooms and hallways must allow a person in a wheelchair to make a 180-degree turn. The minimum required clearance space is
A. 120 inches. B. 90 inches. C. 36 inches. D. 32 inches. E. 60 inches.