A pH of ____ is neither an acid nor a base.
A. 1
B. 5
C. 7
D. 8
E. 10
C. 7
A solution that has a pH of 7 is neutral-neither basic nor acidic.
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The ________ rating describes the degree of permanent damage done to the worker's body as a whole.
Fill in the blank(s) with the appropriate word(s).
Which of the following are essential components of a continuous positive airway pressure (CPAP) flow system?
1. Blended source of pressurized gas 2. Nonrebreathing circuit with reservoir bag 3. Low-pressure or disconnect alarm 4. Expiratory threshold resistor a. 3 and 4 only b. 1, 2, and 4 only c. 1 and 4 only d. 1, 2, 3, and 4
There are five types of white blood cells (WBCs). The most common WBCs are neutrophils, and the normal values for adults are ________ percent.
A. 40 to 50 B. 80 to 90 C. 20 to 35 D. 50 to 70
During time-cycled, pressure-controlled ventilation, which of the following must be known to calculate tidal volume?
I. flow II. pressure III. inspiratory time IV. PEEP/CPAP A) I B) I and II C) I and III D) III and IV