Rad Review Easy Part 5
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What is the approximate ESE for the average upright PA chest radiograph using 115 kVp and a grid?
Which unit of exposure is described as 100 ergs of energy per gram of irradiated absorber?
Place the following tissues into order from lowest weighting factor (Wt) to highest weighting factor
- Bone marrow
Which of the following anomalies is (are) possible if an exposure dose of 40 rad (400 mGy) were delivered to a pregnant uterus in the third week of pregnancy?
The recommendation of "elective booking"
states that elective abdominal radiographic examinations on women of reproductive age should be limited to the
10 days following the onset of menses
The contraction and expansion of arterial walls in accordance with forceful contraction and relaxation of the heart are called
What unit of measurement expresses the amount of energy deposited in tissue?
Which of the following interactions between x-ray photons and matter involves a high-energy photon and the ejection of an outer shell electron?
Which of the following illustrates the inverse square law?
Distance is a most effective protection from radiation
Aluminum filtration has its greatest effect on
low-energy x-ray photons
Which of the following legal phrases defines a circumstance in which both the health care provider's and the patient's actions contributed to an injurious outcome?
Which of the following barium-filled anatomic structures is best demonstrated in the LPO position?
An advantage of coupling the image intensifier to the TV camera or CCD via a fiber-optic coupling device is its
Which projection of the foot will best demonstrate the longitudinal arch?
Place the following structures into order from superior to inferior.
- Gastroesophageal junction
- Incisure angularis
For which of the following conditions is operative cholangiography a useful tool?
- Patency of the biliary ducts
- Biliary tract calculi
Low-kv exposure factors usually are indicated for radiographic examinations using
- water-soluble, iodinated media
- negative contrast agent
Which of the following radiation exposure responses exhibit a nonlinear threshold dose-response relationship?
- Skin erythema
- Hematologic depression
A 15% decrease in kilovoltage accompanied by a 50% increase in milliampere-seconds will result in a(n)
shorter scale of contrast
The ionization chamber is located _____ the IR
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