Hemodialysis is used to help the kidneys filter ________ and remove excess ________
A) urine; poisons B) electrolytes; hormones
C) toxins; fluids D) blood; cholesterol
C
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Which of the following statements regarding pressurized stairwells is MOST accurate?
A) Pressurized stairwells use a blower or fan to provide slightly less pressure in the stairwell than the corridor. B) NFPA® 92A requires a minimum pressure difference of 0.75 inches, water gauge across a smoke barrier in a sprinklered building. C) Effectiveness of pressurized stairwells can be compromised by loss of pressure when doors to the stairwell are opened. D) Stairwell pressurization systems require minimal engineering analysis.
Which of the following BEST describes when an SCBA cylinder needs to be replaced?
A. After first use of cylinder B. When the cylinder becomes completely empty C. While performing short-term work in emergency operations D. During inspection if cylinder contains less than 90% of capacity
A neonate in respiratory distress will often dilate his or her nostrils to:
a. facilitate inspiration. b. nurse more easily. c. sneeze out amniotic fluid. d. raise the intrapleural pressure.
A primary physician is considered the patient's gatekeeper in this type of managed care plan.
a.) HMO b.) IDS c.) MCO d.) PPO