Phenol red carbohydrate broth should be incubated at/in ________
1. -25°C.
2. 35°C.
3. ambient air.
4. CO2.
A) 2 and 4 B) 2 and 3 C) 1 and 3 D) 1 and 4
B
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Terrestrial radiation includes which of the following sources?
a. Long-lived radioactive elements such as uranium-238, radium-226, and thorium-232 that are present in variable quantities in the crust of the earth b. Radioactive fallout from nuclear weapons tests in which detonation occurred above ground c. The sun and beyond the solar system d. Airport surveillance systems and electron microscopes
Which of the following chromogens will produce a colored complex with iron using spectrophotometry?
A. Biuret B. Ferrozine C. Molybdic acid D. 8-hyroxyquinoline
To chill a blood specimen as it is transported, the health care worker should use:
A) tepid water B) a small freezer unit C) icy water or commercial ice pack D) blocks of ice
Patient counseling, as required by the Omnibus Budget Reconciliation Act (COBRA) of 1990, should include
A) the name and description of the drug B) all possible side effects of the drug C) the name of the manufacturer D) the pharmacokinetics of the drug