Neural-tube defect screening, chlamydia culture, and hepatitis B serology are examples of laboratory tests often requested during prenatal care of expectant mothers. These tests are designed to:
A) screen for possible cancers.
B) increase the cost of medical care.
C) identify disorders that can be treated or prevented.
D) identify patients with compromised cardiac function.
C
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Which type of natural immunoglobulins are responsible for the type I serious allergic reactions to rubber-containing items?
a. IgA b. IgE c. IgG d. IgM
When a pregnant patient must undergo a radiographic procedure, which of the following practices will minimize radiation exposure?
a. Selecting technical exposure factors that are appropriate for the part of the body to be radiographed b. Opening the x-ray beam collimator shutters as wide as possible to ensure complete coverage of the image receptor c. Precisely collimating the radiographic beam to include only the anatomic area of interest and shielding the lower abdomen and pelvis when this area does not need to be included in the area to be irradiated d. A and C