Medical Imaging Exam #1 UPDATED Exam
Questions and CORRECT Answers
distortion - CORRECT ANSWER - ___ occurs when the object isn't perpendicular to the
x-ray beam
plain films - CORRECT ANSWER - ___ are the most common diagnostic x-ray format
fluoroscopy - CORRECT ANSWER - ___ is used for watching real-time motion; used for
viewing motion of the heart, diaphragm, or abdomen. Essentially real time images on x-ray
contrast agents - CORRECT ANSWER - ___ are radiopaque materials in various liquid
preparations that are often used with plain films to highlight adjacent structures of similar
densities
GI tract
urinary system
blood vessels - CORRECT ANSWER - What some indications for plain films WITH
contrast?
hx of reaction to contrast material
Poor kidney function if contrast goes through the kidneys - CORRECT ANSWER - What
are some contraindications for contrast use?
Barium - CORRECT ANSWER - ___ is a contrast used mostly in GI studies
water-soluble - CORRECT ANSWER - ___ agents are often used in urography
Biliary contrast agents - CORRECT ANSWER - ___ are absorbed in the gut and excreted
in the bile
,Gadolinium - CORRECT ANSWER - What substance is often used as an MRI
enhancement agent?
oil-soluble - CORRECT ANSWER - ___ contrast agents are often used as contrast agents
for inhalation in bronchograms
barium swallow - CORRECT ANSWER - hypopharynx and esophagus
Upper GI study - CORRECT ANSWER - esophagus, stomach, proximal small bowel
small bowel follow through - CORRECT ANSWER - Small bowel
barium enema - CORRECT ANSWER - colon and rectum
lung, kidneys, and bony structures - CORRECT ANSWER - What is tomography most
useful in evaluating?
eval of:
internal organs
injuries
mass
suspected tumors - CORRECT ANSWER - What are indications for use of CT?
-more expensive than plain films
-often needs IV contrast
-increased exposure to radiation - CORRECT ANSWER - What are some disadvantages of
CT?
, as if looking at patient from feet lying on their back - CORRECT ANSWER - How is a CT
read?
recurrent or persistent pneumonia
abdominal masses
sinus anatomy
single pulmonary nodule
lung masses
empyema
abscesses
pulmonary emboli
eval of soft tissues - CORRECT ANSWER - What are some uses for CT w/contrast?
Acute Cerebral Swelling
Cranial/facial fractures
renal stones - CORRECT ANSWER - What are some uses for CT w/o contrast?
spiral CT
CT angiogram (CTA)
Cardiac CTA (CCTA)
PET - CORRECT ANSWER - What are some special types of CT?
Eval physiology of organs such as bone, heart, lungs, thyroid, and kidneys - CORRECT
ANSWER - What are some indications for nuclear imaging radionuclide scans?
pregnancy
known patient sensitivity to nuclear contrast - CORRECT ANSWER - What are some
contraindications for nuclear imaging radionuclide scans?
Questions and CORRECT Answers
distortion - CORRECT ANSWER - ___ occurs when the object isn't perpendicular to the
x-ray beam
plain films - CORRECT ANSWER - ___ are the most common diagnostic x-ray format
fluoroscopy - CORRECT ANSWER - ___ is used for watching real-time motion; used for
viewing motion of the heart, diaphragm, or abdomen. Essentially real time images on x-ray
contrast agents - CORRECT ANSWER - ___ are radiopaque materials in various liquid
preparations that are often used with plain films to highlight adjacent structures of similar
densities
GI tract
urinary system
blood vessels - CORRECT ANSWER - What some indications for plain films WITH
contrast?
hx of reaction to contrast material
Poor kidney function if contrast goes through the kidneys - CORRECT ANSWER - What
are some contraindications for contrast use?
Barium - CORRECT ANSWER - ___ is a contrast used mostly in GI studies
water-soluble - CORRECT ANSWER - ___ agents are often used in urography
Biliary contrast agents - CORRECT ANSWER - ___ are absorbed in the gut and excreted
in the bile
,Gadolinium - CORRECT ANSWER - What substance is often used as an MRI
enhancement agent?
oil-soluble - CORRECT ANSWER - ___ contrast agents are often used as contrast agents
for inhalation in bronchograms
barium swallow - CORRECT ANSWER - hypopharynx and esophagus
Upper GI study - CORRECT ANSWER - esophagus, stomach, proximal small bowel
small bowel follow through - CORRECT ANSWER - Small bowel
barium enema - CORRECT ANSWER - colon and rectum
lung, kidneys, and bony structures - CORRECT ANSWER - What is tomography most
useful in evaluating?
eval of:
internal organs
injuries
mass
suspected tumors - CORRECT ANSWER - What are indications for use of CT?
-more expensive than plain films
-often needs IV contrast
-increased exposure to radiation - CORRECT ANSWER - What are some disadvantages of
CT?
, as if looking at patient from feet lying on their back - CORRECT ANSWER - How is a CT
read?
recurrent or persistent pneumonia
abdominal masses
sinus anatomy
single pulmonary nodule
lung masses
empyema
abscesses
pulmonary emboli
eval of soft tissues - CORRECT ANSWER - What are some uses for CT w/contrast?
Acute Cerebral Swelling
Cranial/facial fractures
renal stones - CORRECT ANSWER - What are some uses for CT w/o contrast?
spiral CT
CT angiogram (CTA)
Cardiac CTA (CCTA)
PET - CORRECT ANSWER - What are some special types of CT?
Eval physiology of organs such as bone, heart, lungs, thyroid, and kidneys - CORRECT
ANSWER - What are some indications for nuclear imaging radionuclide scans?
pregnancy
known patient sensitivity to nuclear contrast - CORRECT ANSWER - What are some
contraindications for nuclear imaging radionuclide scans?
