Multiple sclerosis is a:
A) demyelinating disease involving only the gray matter of the brain.
B) demyelinating disease involving the white matter of the brain and spinal cord.
C) toxic insult to the brain meninges by ingestion of heroin.
D) muscle-wasting disease involving the muscle surrounding the spinal cord.
B
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A stock vial of Na phosphate has a concentration of 4 mEq/mL, and a concentration of 64 mEq is needed. What volume is needed?
A) 22 mL B) 14 mL C) 28 mL D) 16 mL
Which one of the following statements shows that the EMT has an accurate understanding of endotracheal intubation and the pediatric patient?
A) "A cuffed endotracheal tube should be used for patients under 8 years of age." B) "A straight laryngoscope blade is preferred in infants." C) "Sellick's maneuver is contraindicated in the pediatric patient." D) "Ventilations should never be interrupted for more than 60 seconds when intubating a pediatric patient."
Preventive care is the best way to avoid stress and ergonomic-related work injuries
a. true b. false
In health care facilities, which of the following is a typical fomite?
A) laboratory coat B) 70% isopropyl alcohol C) hexachlorophene D) iodine for blood culture collection