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WorksheetsFundamentals of Radiological Sciences Assessment 2
Total questions: 23
Worksheet time: 25mins
Radiation monitoring devises prevents unnecessary radiation exposure to heath care workers.
True
False
Hmm
I don't know
Photoelectric and Compton scattering interactions poses exposure threats to patients and operators
True
False
hmm
I don't know
Nerve cells are said to be more resistant to radiation.
True
False
hmm
I don't know
Electrons collide with the cathode in the X-Ray tube to create X-RAYS.
True
False
hmm
I don't know
Computed Radiography utilizes chemicals to process film within the cassette.
True
False
Intensifying screen sensitivity have no relation to radiation exposure.
True
False
Copper and aluminum are the metals of choice for the composition of the anode within the X-ray tube.
True
False
The ROTOR and The STATOR enables the anode to rotate.
True
False
The base of a radiographic film contains necessary compounds to capture the image
True
False
120 volts - 240 volts are required for the production of x-rays
True
False
List three (3) ways how X-Rays interact with matter.
Describe the process of two (2) of the interaction listed in Question 11.
List three (3) effects of radiation on the human cell
The steps in digital radiography are:
a. Processing - Image Generation - Processing - Archiving
b. Image Generation - Presentation - Processing-Archiving
c. Image Generation - Processing - Archiving - Presentation.
d. Processing - Imaging Generation - Archiving-Processing
In CR and DR radiography, the purpose of Image Processing is:
a. Generate an image
Generate hard copies.
Adjust exposure factors
Improve image quality
Question 6: Which of the following imaging methods is least flexible with respect to post processing of images.
a. Computed Radiography
b. Direct Digital
c. Film Screen Radiography
d. Digital Radiography
Which of the following interactions produces most of the x-ray photons used in diagnostic radiography?
a. Compton
b. Bremsstrahlung
c. Photodisintegration
d. Photoelectric
he biological effects of radiation exposure results mainly from damage to the
a. membrane
b. cytoplasm
C. DNA
d. RNA
In digital radiography, the detector absorb the x-ray photons and convert them to a/an.
a. heat
b. electrical signal
c. latent image
d. pixel
The crystals found in the intensifying screens are of what element?
a. Phosphor
b. Calcium
c. Carbon
d. Sulfur
Which of the following tissue would absorb more X-ray photons?
a. Muscle
b. Lung
c. Brain
d. Bone
A decrease in ×-ray beam photons quality would result in
a. less photons absorbed by tissues
b. more photons absorbed by tissues
c. more photons transmitted
d. less beam attenuated
Which part of the X-ray tube function to absorb scatter rays when x-rays are produced?
a. Focussing cup
b. Protective housing
c. Glass window
d. Filters
