Which of the following routes of drug absorption into the bloodstream is most common?
a. passive diffusion
b. active transport
c. facilitated diffusion
d. protein transport
a. During passive diffusion, the drug penetrates the membrane exclusively by diffusion in which the rate of transport is solely proportional to the concentration gradient.
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Which one of the following patients should benefit from the head-tilt, chin-lift manual airway maneuver?
A) 39-year-old male who just had a seizure and has snoring respirations B) 45-year-old female who is alert and vomiting blood C) 67-year-old female who fell down a flight of stairs and is unresponsive D) 85-year-old female who hit her head on a tree limb and is now responsive to painful stimuli
You are called for a seven-year-old boy with difficulty breathing. Using the pediatric assessment triangle, you notice that the boy is sitting upright in the tripod position. This observation is obtained during which part of the assessment triangle?
A) Appearance B) Work of Breathing C) Circulation to the skin D) Respiratory status
Preservative tablets act by releasing:
A) formaldehyde. B) chlorohexidine. C) sodium fluoride. D) boric acid.
While en route to a motor vehicle accident, the dispatcher advises you that law enforcement is at the scene and is reporting that numerous bystanders are suddenly becoming ill. After receiving this information, you should:
A) ascertain approximately how many patients are involved. B) keep a safe distance from the scene and view it with binoculars. C) advise all law enforcement personnel to evacuate immediately. D) alert area hospitals to prepare them to care for numerous patients.