The purpose of the harpoon on the piston is to engage the rubber stopper during injection to create a slightly positive pressure inside the cartridge during the aspiration test
A) True
B) False
B
Explanation: B) The purpose of the harpoon on the piston is to engage the rubber stopper during injection to create a slightly negative pressure inside the cartridge during the aspiration test.
Health Professions
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Which of the following BEST describes ways to prevent back and leg strains?
A. Lift with straight back and use legs B. Lift with shoulders and use legs only for balance C. Lift in an area with plenty of space for maneuvering D. Lift in an area with others around in case assistance is needed
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Which of the following is a concern when determining placement of an aerial apparatus at a big-box structure?
A. Setback B. Access to all four sides of the structure C. Parapet walls D. Tilt-slab construction
Health Professions