Which of the following statements is not true about E codes?
A. They are generally used only for the initial treatment of an acute illness or injury.
B. All accidents involving motor vehicles require an E code describing the vehicle.
C. E codes are always the primary or first diagnosis listed.
D. E codes associated with poisonings can be found in the Table of Drugs and Chemicals.
E. Burns require an E code to describe how the burn occurred.
C. E codes are always the primary or first diagnosis listed.
E codes are never the primary or first diagnosis listed.
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3DES employs a total of ____ iterations in its encryption.
A. 3 B. 16 C. 48 D. 56
Which of the following best represents the partial pressures of all gases in the normally ventilated and perfused alveolus when breathing room air at sea level?
a. PO2 = 40 mm Hg; PCO2 = 100 mm Hg; PN2 = 573 mm Hg; PH2O = 47 mm Hg b. PO2 = 100 mm Hg; PCO2 = 40 mm Hg; PN2 = 573 mm Hg; PH2O = 47 mm Hg c. PO2 = 100 mm Hg; PCO2 = 40 mm Hg; PN2 = 713 mm Hg; PH2O = 47 mm Hg d. PO2 = 149 mm Hg; PCO2 = 40 mm Hg; PN2 = 573 mm Hg; PH2O = 47 mm Hg
Which of the following provides an acceptable estimate of the correct size of endotracheal tube for a pediatric patient?
At the scene of a mass-casualty incident, you notice a bystander who is clearly emotionally upset. An appropriate action to take would be to
A. tell the bystander to leave the scene at once. B. have the bystander assist you with patient care C. notify the police and have the bystander removed D. assign the bystander a simple, non-patient-care task