Which are possible chronic threats to firefighters' health?
A) Sudden waking and sleep deprivation B) Stress
C) Diesel exhaust exposure D) All of the above
D
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A powdered medication mixed into an ointment base would be calculated as a ________ concentration
A) weight/volume B) volume/volume C) weight/weight D) weight/density
Breathing and body temperature are both controlled by:
a. the central nervous system c. the peripheral nervous system b. the voluntary nervous system d. the vital nervous system
The most important part of treatment for an absorbed poison is:
a. administration of activated charcoal. b. irrigating the skin with large amounts of clean water. c. neutralizing acids or alkalis with dilute vinegar or baking soda water. d. warming the patient so the perspiration will flush out the skin's pores.
Which of the following statements bestexplains the need to reposition a patient upright with the mouth remaining wide open for up to two minutes after the completion of a Gow-Gates injection?
A) An open mouth allows access to safely remove the syringe and bite block from the mouth, and provides time to rinse and suction the area of injection while preventing aspiration risk in an upright position B) An upright, open mouth position allows gravity to improve the flow of solution toward the IA nerve, which is located 5 to 10 mm from the deposition site C) An open mouth allows the condyle to remain fully translated over the articular eminence, preventing the diffusion of solution away from the IA nerve; the upright position facilitates diffusion toward the IA nerve D) An open mouth allows withdrawal of the syringe without contacting the mandibular occlusal plane; the upright position improves diffusion of the solution toward the IA nerve