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Radiology Midterm
Radiology Midterm
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In memory of Pharmacology and Immunology. May we never see those words again <3
Flashcards
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Questions
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Answers
1
Esophograms are minimally invasive and quick so patients
are allowed
to eat after midnight before the procedure.
True
False
2
Which of the following is true regarding Coronary Artery Calcification Scoring
Direct measure of cardiac function
Directly measures degree of stenosis
Amount of calcium in CA's is proportional to the amount of plaque
Gives an assessment of risk for significant stenosis
3
What is the correct description of the abnormal brain tissue in comparison to the rest of the brain matter?
Hyperdense/ Extra-Axial
Hypodense/ Intra -Axial
Hyperdense/ Intra -Axial
Hypodense/ Extra -Axial
4
Fluids like water and CSF usually have a density of 0 on the Hounsfield scale.
True
False
5
Which of the following are true regarding an Upper GI Series
Indicated with Epigastric pain
Includes stomach and duodenum in single and double contrast
Includes Esophagram
NPO after midnight
6
How many scans were perfomed to obtain these images
2
1
3
4
7
Which professional organizations provide information to RadiologyInfo.org
The Emporer's New School
Radiological Society of North America
Foster's Home for Imaginary Friends
American College of Radiology
8
A physician orders a US on the abdomen before a CT scan is performed and read. This is an example of?
The correct ordering of imaging in a clinical setting
A thorough physican.
A physcian following the appropriateness criteria
The shotgun approach
9
What would be an indication to perform a chest-xray
Symptoms such as cough/SOB/Chest pain
Confirm line placement
Evaluation for complications after tube placement
Trauma to thorax
10
In Coronary Artery Calcification Scoring, patients' scores are compared to those in their age/gender group
True
False
11
How many scans were perfomed to obtain these images
2
4
1
3
12
Which of the following is true regarding
interventional radiology
May require sedation
Extremely invasive
Does not include angiography
May be guided by CT or MRI
13
Fluoroscopy allows a physician to see a pt's anatomy + physiology (Lecture 1, slide 15)
True
False
14
Which of the following are seen on this image (Lecture 8 , Slide 53)
Mass Effect
Extra-Axial Mass
Hydrocephalus
Intra-Axial Mass
15
Which of the following is true regarding CT Angiography ?
Obtains scan during arterial phase
Uses oral contrast only
Can evaluate the aorta and pulmonary arteries
Uses IV contrast
16
Your patient is mildly allergic to Barium given for CT w/ contrast. Which of the following is an approproate solution
premedicate with steroids to prevent allergic rxn
Consider MRI with Gadolinium
There is no such thing as a barium allergy
Consider a non-contrast scan
17
Which imaging technique is referred to as a "real time X-ray"
Fluoroscopy
X-Ray w/ Contrast
Ultrasound
CT Scan
18
What does ALARA stand for?
A Las. A Real Lion
As Low As Reasonably Allowed
As Long As Reasonably Allowed
As Low As Reasonably Achievable
19
The following images were taken. What is the likely dx?
Solid mass (cancer)- The mass did not take up the dye
Solid mass (cancer)- The mass took up the dye and became more dense
Cyst - The mass took up the dye and became more dense
Cyst- The mass did not take up the dye
20
The image below is indicative of ____
Air in the pleural space
A normal chest X-Ray
Cardiac Tampanade
Lower Lobar Pneumonia
21
Which of the following is an adverse affect of IV contrast and needs to be monitored in high risk patients
gastrotoxicity
duodenaltoxicity
nephrotoxicity
hepatotoxicity
22
*pretend this is bowel* The proximal part is distended while the part distal to the transitional point is decompressed
False
True
23
Who is this
good boy
good boy
good boy
good boy
24
Which of the following are true regarding the modified barium swallow technique
indicated in PT with dysphagia
Involves barium mixed with different consistencies
Pefromed w/ speech therapist
Indicated in patient with stomach ulcer
25
Which of the following is the appropriate utilization of imaging.
Ordering an ultra sound, CT, and MRI even if not indicated
Ordering 45 CT scans in the past decade even tho they're all negative
Ordering an X-Ray to determine if a bone is fractured
Using the shotgun approach on every patient.
26
Which of the following are true regarding Small Bowel Series
Can be done after UGIS as a follow through.
NPO after midnight
Requires 2 cups of barium and may take several hours to appear in colon
Can be done solo as SBS
27
Patients scans come back and you notice alot of outpouching structures. What is the likely diagnosis?
Diverticulosis
Chrons Disease
GERD
Peptic Ulcer Disease
28
In the evolving field of radiology, IVP has now been replaced by
non-contrast CT
False
True
29
The scan below was obtained by a VCUG in a 10 y/o boy with frequent UTI. The dilation of the left ureter indicates _
Vesico-Ureteral Reflux
Kidney Stones
Nephrotoxicty
Early Kidney Failure
30
The dark band indicated by the arrow is likely _______
Fat/fluid
Bone
Adenocarcinoma
Air
31
Which of the following imaging techniques uses radiation?
Ultrasound
Fluoroscopy
CT Scan
X-Ray
32
Since radiologists don't actively see patients, the Pt's clinical history is
not
relevant.
False
True
33
The following patient was shot in the head. Which of the following best describes this image?
Scout image
Post oral contrast
Delayed Contrast
Post IV contrast
34
Which of the following has the highest level of spatial resolution
Nuclear Medicine
Plain Radiographs
PET scans
MRI
35
X-Rays take cross sectional images whereas CT scans only produce planar images
True
False
36
Which of the following terms are paired correctly
Fistula = Blind ending
Sinus tract = blind ending
Fistula = abnormal connection between two structures
Extravasation = Leak
37
A surgical resident places the following order, why was John from Radiology pissed off?
The appropriate order is CT Scan with out contrast
The appropriate order is CT Scan with contrast
MRI's are an inappropriate modality for viewing kidney stones
This is the correct order for the given diagnosis
38
Most kidney stones are radio-opaque whereas most gallstones are radio-lucent
False
True
39
How was the image on the right obtained?
Adjusting the bone window
Switching out radiology residents
Taking multiple scans
Image taken after oral contrast given
40
Which of the following is true regarding PA and Lateral (two-view chest) technique?
Should be ordered unless PT can not be positioned for it
Taken on full inspiration
Minimizes anatomic distortion
Can be obtained in ED on portable machine
41
Painful and Painless Hematuria would both be indications for ordering an Intravenous Pyelogram
True
False
42
Your Rad Tech tells you the patient likely has Renal Colic (Painful Hematuria), what did they likely see on the IVP?
Hydronephrosis (Dilation of the collecting system)
Diminished enhancement
Delayed Excretion
vibes
43
You want to evalulate the lower urinary tract. Which test is most appropriate?
Retrograde Pyelogram
CT w/ Contrast
IVP
CT w/o contrast
44
Which of the following are true regarding the condition shown in the radiograph?
This is a surgical emergency
Dx- Pneumoperitoneum
Dx- Pneumothorax
Indicates a perforation in the GI Tract
45
Which imaging modality would allow you to
best
see a patients
physiology only
X-Ray
MRI
Nuclear Medicine
CT Scan
46
It is best to evaluate for pneumothorax on
expiration
as the lung decreases in volume
False
True
47
A patient just watched Chernobyl Diaries and is concerned about getting X-Rays. What should you tell them?
It's ok! X-Rays are safe and emit a miniscule amount of radiation.
X-Rays are directly linked to adult cancers like Leukemia.
X-Rays are not useful, go home and rest
It's ok! X-Rays do not emit radiation
48
What is wrong with this order?
The physician should have ordered a high resolution study
This is an appropriate order
There is no indication for the order to be "STAT"
All CT scans are spiral, there is no need to write it.
49
A surigcal resident thinks his previously healthy PT has an enlarged heart. What does the attending tell him?
Bruh
Double check the studies. Cardiac Silhouttes are magnified by AP imaging.
Double check the studies. Cardiac Silhouttes are magnified by PA imaging.
Book an OR
50
You want to rule out a malabsorptive disorder in your patient. Which is the most appropriate imaging to order?
Esophogram
CT of Pelvis
Small Bowel Series
Upper GI Series
51
Imaging orders should be specific for a body cavity and not include "extra anatomy"
True
False
52
Which are paired correctly
Lytic = denser (whiter) than bone
Blastic/Sclerotic= more lucent (darker than bone)
Lytic = more lucent (darker than bone)
Blastic/Sclerotic = denser (whiter) than bone
53
Americans are exposed to 3 mSv of radiation per year
False
True
54
Which of the following would be an indication for performing a single contrast study to evaluate the lumen
Obstructions
Strictures
Outpouching
Masses/Mass Effect
55
Which of the following are true regarding the AP (single-view) X-Ray?
Must be obtained in Radiology lab only, not bedside
There is no indication
Used when patient is too ill for PA & LAT
Poorer image quality
56
Gallstones should be evaluated
with
contrast
True
False
57
How would you describe this lesion in comparison to bone?
Blastic
Lytic
58
Spatial Resolution refers to the ability to distinguish adjacent small structures as seperate from eachother
False
True
59
Nuclear Medicine relies on
contrast
(such as barium) to see patient's physiology. (Lecture 1, slide 22)
False
True
60
Which of the following is true regarding Voiding Cystourethrograms
Monitored during voiding ONLY
Monitored during filling AND voiding
Indicated in children with frequent UTI's
Contrast instilled into bladder via catheter
61
The Radiology Technician notices a spot on the liver below the normal density . What is likely the cause?
Air
Kidney stones
Fatty Infiltration
Diabetes
62
The following patient was scanned several times during a contrast study. At which point was this image taken?
Pre Contrast
Delayed
Post Contrast
Let me check lecture 7, slide 23
63
Which of the following are indications for a barium enema
Large Bowel Obstruction
Colon Cancer
Evaluate IBD
Polyp screening
64
You are trying to get a clear Chest X-Ray but keep getting images like the one below. What might be the reason?
Image was taken with good inspiration
Patient has cystic fibrosis
Patient likely has TB
Image was taken with poor inspiration
65
How would you describe these lesions in comparison to bone?
Lytic
Hypodense
Hyperdense
Blastic
66
Which of the following are true regarding densities on a radiograph
Bone = White
Air= Black
Air= White
Fat = Dark Gray
67
What is true of the X-Ray obtained in the following view?
Makes use of gravity
Named by the "Down" side
Can replace upright view for patients who can't stand or sit up
Allows fluid to sink, air to rise
68
Which of the following conditions would result in
localized
extraluminal air
GI perforation
Abscess
Pneumobilia
Diverticulitis
69
The effective dose of radiation is measured in _________
joules/kg
millivolts
ohms
millisieverts
70
The compression of the bowel in this image is reffered to as?
Lipohemarthrosis
Diverticulitis
Spatial Resolution
Mass Effect
71
What type of contrast was administered?
Can not be determined
IV
Neither
Oral
72
Oh no, this guy was absoutely yeeted and broke his femur. How would you describe his fracture?
Varus Deformity
Medial Angulation
Valgus Deformity
Lateral Angulation
73
Which of the following procedures would allow for Mucosal Coating
No contrast
Double contrast
Scout Film
Single Contrast
74
Which of the following modalities would be appropriate for a "Left Scrotal Mass"
Pet Scan
X-Ray
Fluoroscopy
Ultrasound / MRI
75
Which of the following do NOT use radiation
Nuclear Medicine
Ultrasound
MRI
CT Scan w/ contrast
