Correct Answers, 100% Correct| 2024/2025.
Roentgen
X-rays were discovered in 1895 by:
November 8, 1895
On what date were x-rays discovered?
Radiographs
What is the proper term for the "pictures" produced by x-rays?
American Registry of Radiologic Technologist (ARRT)
What organization establishes standards and provides certifications for radiologic technologists?
Registered technologist (radiography)
For what do the initials RT(R) stand?
JRCERT
Which national organization formally conducts accreditation of education programs in radiologic
technology?
Fluoroscopy
What is the imaging modality that provides real-time viewing of x-ray images in motion?
Sonography
Which of the following imaging modalities does not use ionizing radiation to produce the image?
Angiography
The imaging modality that uses contrast media to image blood vessels is called:
Radiologist
A specialist who interprets radiographs and performs special imaging procedures is called a:
Physicians
X-ray examinations are performed on orders issued by:
Tube port
X-rays that are traveling in a useful direction exit via the:
Central ray
, A line in the center of the x-ray beam and perpendicular to the long axis of the x-ray tube is called the:
Latent image
A film that has been exposed but has not yet been processed has a pattern of exposure that is called the:
More
Tissues with greater mass, such as bone, will absorb _____ radiation, as compared with less dense
tissues, such as fat.
Attenuation
The absorption of x-rays by matter is called:
Remnant
The pattern of _____ radiation creates the image on the film.
Cassette and the film
The image receptor (IR) usually consists of the:
Grid or Bucky
A device to protect the film from being fogged by scatter radiation is called a(n):
Patient
The principle source of scatter radiation is the:
The "building blocks" of matter
What are atoms?
K shell
What is the name of the innermost shell?
Ionized
When an electron is removed from an atom, the atom is said to be:
Electromagnetic energy
Which of the following energy types occurs in the form of a sine wave?
Wavelength
What term is applied to the distance from one crest to the next in a sine wave?
The distance from one crest to the next
How is the wavelength of a sine wave measured?
The number of times per second that a crest passes a given point