A biological safety cabinet functions by
A) acting as a primary barrier between the specimen and the microbiologist.
B) providing protection from external contamination.
C) maintaining negative pressure to prevent distribution of aerosols.
D) all of the above.
E) both A and B
D
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The mass number of an isotope is its total number of:
A) protons. B) neutrons and electrons. C) protons and neutrons. D) electrons.
Pediatric doses are usually stated as:
A. milligrams per kilogram B. micrograms per milligram C. grams per liter D. milligrams per milliliter
A patient presents with pain on the lower right first molar. Which tray would be the most appropriate to place on the bracket table?
extraction crown prep endodontic pulp vitality testing
Bailey is manning the reception desk this afternoon. A patient arrives and is bleeding heavily from a wound on his arm. He looks as though he is about to pass out. What should Bailey do?
A. Notify a member of the clinical staff immediately B. Offer the patient some tissues to mop up the blood C. Offer to fill out the forms for the patient D. Direct the patient to the patient restroom to clean up his arm E. Ask the patient to have a seat in the reception area