Because of environmental fators, the manufacturers of this type of personal monitoring device recommend that it should not be worn for more than one month:
What is a film badge?
100
The thickness of absorbing material necessary to reduce the x-ray intensity to half of its original value is termed this:
What is half-value layer thickness?
100
It is a radiographic image that is produced showing a small degree of differential attentuation.
What is low radiographic contrast?
100
A 45 degree angle of the plane of the hand best describes this:
What is a PA oblique projection of the hand?
100
A document which enables a trusted person to act on the behalf of an incapacitated individual is call this:
What is a prior directive or healthcare power-of-attorney?
200
The amount of energy that is transferred to a material per unit length of travel in soft tissue is termed this:
What is LET or linear energy transfer?
200
These are the two most common filtering materials used for a diagnostic x-ray beam:
What is aluminum and lucite?
200
This is a photon twhich has not yet hit any electron in the scattering object.
What is an incident photon?
200
To avoid crossing the radius and ulna during the radiographic evaluation of the forearm the hand should be placed in this:
What is full supination?
200
The most effective treatment for the control of bacterial infections are this class of drugs:
What is antibiotics?
300
This radiation detection device is most commonly used to determine the amount of scatter produced in a room during irradiation of a patient:
What is an ionization-type survey meter?
300
This man was the first to predict mass-energy equivalency of electromagnetic energy and matter:
Who is Albert Einstein?
300
These types of radiographic image distortion are most likely to occur from angulation of the centray ray.
What is elongation and foreshortening?
300
Projecting anteriorly from the upper scapula is a fingerlike process that serves for numerous muscle attachments:
What is the coracoid process?
300
This surgical procedure is performed to help relieve a severe blockage of the upper respiratory tract:
What is a tracheostomy?
400
The reduction of the exposure level to the operating standing in front of the x-ray table is accomplished through the use of this:
What is a fluoroscopic drape and Bucky slot cover?
400
During the x-ray production process the photons are created at a broad spectrum of energies. This term best describes this type of emission spectrum:
What is heterogeneous?
400
The reduction of primary radiation reaching the image receptor is primarily controlled by this item in the collimator.
What is the upper or entrance shutters?
400
Radiographic images are to be obtained to evaluate the subtalar joint. This projection would be the most commonly requested:
What is AP axial oblique projections of the ankle?
400
A 25-guage hypodermic needle containing 1 ml of medication is injected at a 45 degree angle into the tissue beneath the skin. This represents:
What is a subcutaneous administration or injection?
500
To attenuate appproximately 88% of the incident x-rays for a 75 kVp beam a gonal shield with this amount of lead equivalent is necessary:
What is .5 mm lead equivalent?
500
The atomic number of the material in the target of the x-ray tube will have a significant effect on the energies produced during this type of x-ray production:
What is characteristic radiation?
500
This type of grid pattern results in a radiographic image with the least amount of primary beam cutoff.
What is a focused grid?
500
A radiographic image of the cervical spine is obtained in the AP axial oblique projection. This projection is commonly used for the evaluation of this:
What is the intervertebral foramina farthest from the image receptor?
500
This dosage form is normally associated with the highest speed of absorption into the body: