The mass of a given volume of a substance that is compared with the mass of an equal volume of air refers to its:
a. Atmospheric pressure
b. Vapor density
c. Specific gravity
d. Gaseous property
B
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Which sprinkler release mechanism has a valve cap held in place by a small piece of solder that melts to release pressure and open the valve?
A. Fusible link B. Frangible bulb C. Bimetallic strip D. Chemical pellet
What establishes the capillary colloidal osmotic pressure?
a. Presence of electrolytes in plasma b. Presence of plasma proteins in blood c. Presence of RBCs in whole blood d. Presence of WBCs in whole blood
A ventilator is set to deliver a 600 mL tidal volume. The flow rate is set at 40 L/min and the fre-quency is set at 10 breaths/min. If the flow rate is doubled and the patient is not assisting, which of the following will occur?
a. The frequency will decrease. b. The tidal volume will increase. c. The expiratory time will increase. d. The inspiratory time will increase.
Errors must never be obliterated
A) True B) False