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Chapter 14 Radiology and Diagnostic Imaging with complete solutions
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Chapter 14 Radiology and Diagnostic Imaging with complete solutions
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Chapter 14 Radiology and DiagnosticImaging
Radiology - correct answer ✔✔The branch of medicine that deals with the use of radiation and other
imaging techniques ( MRI, CT scans) in the diagnostic and treatment of disease
Radiologist - correct answer ✔✔A physician who specializes in the diagnosis and treatment of disease
using radiation and other imaging techniques
Who discovered X-ray? - correct answer ✔✔Whilhelm Konrad Roentgen
What is X-ray - correct answer ✔✔High-energy electromagnetic waves that are invisible and have a short
wavelength that enables them to penetrate solid material
What is function of X ray - correct answer ✔✔_ visualize internal structure and
-serve as a diagnostic aid in determining the presence of disease
-detecting abnormal conditions associated with skeletal system, fractures
-treatment of disease condition such as malignant neoplasm
What are the two ways that radiographs can be taken? - correct answer ✔✔-Conventional film method
-Digitally using a computer
Radiograph - correct answer ✔✔The permanent record of the picture produced on the radiographic film
Why is it important for a patient to prepare properly for a radiographic examination? - correct answer
✔✔If the patient does not prepare properly, the radiograph may be poor quality, and the procedure may
need to be rescheduled
, Radiography - correct answer ✔✔Taking the radiograph based on the differences in density between
various body structures to produce shadows of varying intensity on the radiographic film
What is the different between bone and flesh density in absorption X-ray? - correct answer ✔✔Bone
absorbs more X-ray and does not allow them to reach the radiographic film => which leaves that part on
film unexposed and causes white areas to appears on film
Radiolucent - correct answer ✔✔A structure ( lung tissue) permits the passage of X-rays
Radiopaque - correct answer ✔✔A structure ( bone) that obstructs the passage of X-ray and causes the
image to be cast on the film
contrast medium - correct answer ✔✔radiopaque chemical compound that cause the body tissue or
organ to absorb more radiation
Contrast medium is also known as - correct answer ✔✔Contrast agent
When is contrast medium is used - correct answer ✔✔- when the natural densities of two adjacent
organs and structure are similar
What is the function of a radiopaque contrast medium? - correct answer ✔✔Provides a contrast
densities between the tissue and organ and surrounding area => tissue or organs becomes visible and
appears white on the processed radiograph
What are the various ways in which contrast medium can be administered to a patient? - correct answer
✔✔- Orally
-injected into vein, IV line or enema
Name two compound are commonly used in radiopaque contrast media - correct answer ✔✔- Barium
sulfate( GI tract)
- Inorganic iodine ( Urinary tract and blood vessel)
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