Which film speed requires the least amount of radiation exposure to produce a diagnostic-quality image?
a. D
b. E
c. F
d. G
c. E-speed film provides a 50 percent reduction in radiation exposure over D-speed. F-speed film provides a 20 percent reduction in radiation exposure over E-speed.
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The owner of a day care center for adults with Alzheimer's disease calls you to ask about an AED at her facility. Specifically, she asks if she will need a physician to oversee the AED program. Your reply should be:
A) "If you intend to use the AED on anyone under the age of 50 years, a medical director will be needed." B) "A medical director is only needed if you are going to bill insurance companies for the provision of care; if you are not, a medical director is not needed." C) "You will need to have a physician medical director since the AED can only be used with his or her permission under his or her license." D) "If you get a semi-automated AED, you will need a physician medical director. Since fully automated AEDs are easier to use, a medical director is not needed."
Which of the following is considered a drawback of immunophenotyping a suspected acute leukemia?
a. AML NOC b. Lineage heterogeneity c. Lack of sensitivity d. Lack of specificity