If a sufficient concentration of a hazardous material mixes with air and reaches its lower flammable limit:
A) the material can burn in the air or explode.
B) the vapors will begin to burn, but will not explode.
C) the chemical is said to have reached its flash point.
D) there will not be enough oxygen to support combustion.
Answer: A) the material can burn in the air or explode.
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A young man has been struck by lightning on a golf course and is in cardiac arrest. Other golfers say that he was struck about 10 minutes ago. Which one of the following should you do immediately?
A) Start cardiopulmonary resuscitation. B) Attach the automated external defibrillator. C) Ventilate 10 to 12 breaths per minute. D) Do a secondary assessment to locate the burn sites.
What is the normal value of the ratio of O2 consumption (O2) to CO2 production (CO2)?
A. 1.5 B. 1.0 C. 0.8 D. 0.6
The liquid component of blood is called plasma.
Answer the following statement true (T) or false (F)
The Evita XL ventilator provides all modes of ventilation noninvasively through which of the following?
A) the combination of high frequency pulses and a mean airway pressure B) adjustment of the baseline to the positive end expiratory pressure (PEEP) C) use of a dynamic leak compensation system D) synchronizing with the patient's spontaneous breathing