This type of radiation detection device is most commly used to determine the amount of scatter produced in a room dring the irradiation of a patient.
What is an ionization-type survey meter?
100
The thickness of absorbing material necessary to reduce the x-ray intensity to half of its original value is known as this.
What is half-value layer thickness?
100
This tpe of grid pattern will result in an image with the least amount of primary beam cutoff.
What is a focused grid?
100
Projecting anteriorly from the upper scapula is a fingerlike process that serves for numerous muscle attachments.
What is the coracoid process?
100
This is the document which enables a trusted person to act on the behalf of an incapacitated individual.
What is a prior directive or healthcare power-of-attorney?
200
Because of environmental factors, the manufacturers recommend that this type of personal monitoring device should be worn for only one month.
What is a film badge?
200
These are the most common filtering materials used for the filtration of a diagnostic x-ray beam.
What are aluminum and lucite?
200
To decrease the amount of off-focus radiation reaching the image receptor is the primary function of this item in a collimator.
What is the upper or entrance shutters?
200
In a radiographic image of the hand, the hand is placed at a 45 degree angle to the plane of the image receptor for this projection.
What is a PA oblique projection?
200
The most effective treatment for the control of bacterial infections are this class of drugs.
What is an antibiotic?
300
This is the term to describe the amount of energy that is transferred to a material per unit length of travel in soft tissue.
What is LET or linear energy transfer?
300
This man first predicted the mass-energy equivalency of electromagnetic energy and matter.
Who was Albert Einstein?
300
A photon that has not yet hit any electron in the scattering object best describes this.
What is an incident photon?
300
To avoid crossing the radius and ulna during the radiographic evaluation of the forearm in the AP projection, the hand is positioned:
What is fully supinated.
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 operator standing in front of the fluoroscopic x-ray table is accomplished through the use of these devices.
What is a fluoroscopic drage and a Bucky slot cover?
400
During the x-ray production process the photons are created at a broad spectrum of energies. This is the term that best describes this type of emission spectrum.
What is heterogeneous?
400
A radiographic image showing a small degree differential attenuation is described as having this.
What is low radiographic contrast?
400
Radiographic images are to be obtained to evaluate the subtalar joint. These projections would be most commonly requested.
What is AP axial medial and lateral 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 represent a/an:
What is a subcutaneous administration or injection?
500
A gonadal shield of this thickness is able to attenuate approximately 88% of the incident x-rays for a 75 kVp beam.
What is .5 mm lead equivalent?
500
The atomic number of the material in the target of the x-ray tube has a significant effect on the energies produced during this type of x-ray production.
What is characteristic x-ray production?
500
Elongation and/or foreshortening of a radiographic image most likely occurs from this.
What is an angulation of the central ray?
500
A radiographic image of the cervical spine is obtained in the AP axial oblique projection. These projections are commonly used to evaluate this.
What is the intervertebral foramina farthest from the image receptor?
500
This form of dosage is normally associated with the highest speed of absorption into the body.