When a drug with a high buffer capacity is added to an IV solution, the resulting solution will have:
A) An amber color.
B) A cloudy appearance.
C) A pH closest to the added drug.
D) A salinity closest to the original solution.
C
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________ Osmosis is movement of dissolved particles from an area of greater concentration to an area of lesser concentration
Indicate whether the statement is true or false
All substances pass easily through the cell membrane
Indicate whether the statement is true or false
When coming upon an accident victim outside the hospital setting who appears unconscious, what should a practitioner immediately do?
a. Tilt the head and lift the chin to open the airway. b. Begin external cardiac (chest) compres-sions. c. Look for any obvious head or neck inju-ries. d. Move the victim to a flat, hard surface.
In theory, how does positive expiratory pressure (PEP) help to move secretions into the larger airways?
1. Filling underaerated segments through collateral ventilation 2. Preventing airway collapse during expiration 3. Causing bronchodilation during inspiration a. 2 and 3 only b. 1 and 2 only c. 1, 2, and 3 d. 1 and 3 only