When reconstituting dry powders of parenteral drugs, it is important to know the
A) correct diluent
B) color of the powder
C) manufacturer
D) both a and c
A
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½ is the same as 0.5 and the ratio of ________
a. 2:1 b. 1:5 c. 1:2 d. 2:5
The primary function of the heart is:
a. transferring oxygen to the cells. b. pumping blood throughout the body. c. oxygenating blood in the lungs. d. maintaining the volume of blood.
Each of the following statements regarding preparations for bitewing exams is correct EXCEPT one. Which one is the EXCEPTION?
a. The dental x-ray machine should be turned on and the exposure setting selected prior to placing the image receptor intraorally. b. The radiographic procedure should be explained to the patient prior to beginning the exposures. c. The patient's head should be positioned with the mean tangent parallel to the floor. d. The patient should be asked to remove eyeglasses and all intraoral appliances prior to placement of the image receptor.
When not in use, the microscope should be:
A) uncovered. B) covered. C) unplugged. D) both B and C.