What is the most common and least expensive method for commercial production of O2?
a. Electrolysis of water
b. Fractional distillation of air
c. Physical separation by molecular sieves
d. Chemical decomposition of sodium chlo-rate
ANS: B
Fractional distillation is the most common and least expensive method for producing O2.
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Which of the following neurotransmitters is classified as a catecholamine??
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You have responded to a report of an injured person. When you arrive, you find a 55-year-old woman who has fallen and sustained a small laceration to her forehead. She is holding a small dog and asks if she can bring it with her to the hospital. What is the most appropriate action to take regarding transport?
A) Explain to the patient that the ambulance is a sterile area and that she will have to call a friend to come and get the dog.
B) Ask the patient if it is a service dog, and what it is trained to do.
C) Transport the dog without question, as it is illegal to ask if it is a service dog.
D) Transport the dog, but only if she has a carrier for it to ride in.