You are checking the D oxygen tank in the ambulance and note that the reading on the pressure regulator reads 1000 psi. You should recognize that the tank is:

A) overfilled.
B) almost empty.
C) half full.
D) leaking.

C

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Anemia due to malabsorption of vitamin B12 is also known as:

a. pernicious anemia. b. iron deficiency anemia. c. sarcoidosis. d. pancytopenia.

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Which of the following examinations does NOT require the use of a laxative?

a. Upper GI b. Lower GI c. Cystoscopy d. All the above

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