Which of the following statements about ignition is MOST accurate?
A. Piloted ignition occurs without any external flame.
B. Piloted ignition is the least common type of ignition.
C. Autoignition occurs when fuel and oxygen encounter an external heat source to start the combustion reaction.
D. Autoignition temperature is that to which the surface of a substance must be heated for ignition to occur.
D
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In an infant, the heart rate is best detected by either palpating the brachial artery or:
A) auscultating the carotid pulse. B) palpating the femoral pulse. C) palpating the carotid pulse. D) auscultating the apical pulse.
Your patient is a 28-year-old male with a history of panic attacks. He states that symptoms began about 20 minutes ago and that he has been unable to get them under control. He complains of shortness of breath, chest pain, dizziness, and a feeling that he is going to die. His skin is warm and moist. HR = 132, BP = 138/98, RR = 26 and shallow. You spend 15 minutes on-scene with him attempting to
"talk him down" without success. Which of the following is most appropriate? A) Oxygen, IV, nitroglycerin, aspirin, morphine B) IV, diazepam C) Oxygen D) IV, haloperidol