Which of the following statements about fire resistance calculations is MOST accurate?
A) Building codes usually use fire resistance ratings based on computer models.
B) Mathematical equations can predict the behavior of materials under test conditions.
C) Equations have been developed to calculate the fire endurance of steel beams, but not wooden beams.
D) Computer models cannot deal with the fire behavior of materials as realistically as the standard time and temperature test.
B
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Discoid lupus erythematosus, right lower eyelid: ________
Fill in the blank with correct ICD-10.
You are dispatched to a residence where a middle-aged man was found unconscious in his front yard. There are no witnesses who can tell you what happened. You find him in a prone position; his eyes are closed and he is not moving. Your FIRST action should be to:
A. palpate for the presence of a carotid pulse. B. log roll him as a unit to a supine position. C. assess the rate and quality of his breathing. D. open his airway with a jaw-thrust maneuver.