What is the term for the bifurcation of the trachea?
a. hilum c. concha
b. carina d. choana
b. carina
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You are on the scene of a tanker truck versus passenger vehicle collision on a rural highway. The vehicles are just beyond a curve in the roadway and there is a distinct odor of diesel fuel. It is dark and there is little traffic. Which of the following should be used to alert oncoming traffic to the situation?
A) Reflective triangles B) Flares C) Yellow crime scene tape D) Flashing lights on the ambulance
When the diaphragm __________, the potential space between the two pleural membranes is decreased and air is pulled into airways and lungs
A. expands B. contracts
Another name for an upper respiratory tract infection (URI) or the common cold is ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following anti-infective agents were the first drugs to prevent and cure human bacterial infections successfully?
A) penicillins B) cephalosporins C) fluoroquinolones D) sulfonamides