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WorksheetsAdv mod 3
Total questions: 38
Worksheet time: 19mins
A foreign or obstructive material, such as plaque, attached to the vascular wall altering blood flow.
Thrombosis
Hematoma
Aneurysm
Embolism
Form of arteriosclerosis in which deposits of fibrofatty plaque (thickening) form in the intima (lining) of the arteries:
Myocardial
obstruction
Atherosclerosis
Coronary Artery Disease
Thrombosis
Select the angiographic procedure most likely indicated for deep vein thrombosis
Lower limb venogram
Upper extremity venogram
Lower limb arteriogram
Upper extremity arteriogram
Congenital birth defect, a variant in the septum allowing the premature mixture of oxygen-rich and oygen-poor blood from the right and left cardiac atria.
Amplatzer
septal occluder
Fenestrated fontan
Atrial septal defect
Patent Ductus Arteriosus
The input phosphor converts _____ to _____.
light, electrons
x-rays, light
x-rays, electrons
electrons, light
Light produced at the output phosphor of the image intensifier has been increased _____ times in intensity.
20-35
100-300
5-10
50-75
The source-to-skin distance must be no less than _____ cm on stationary fluoroscopes.
42
30
48
38
Occurs when coronary arteries that supply the heart muscle become partially blocked causes:
Angina
Myocardial infarction
Stroke
Heart Attack
Often used interchangeably with the term obstruction, this term describes the cessation (prevention) of vascular blood flow due to a foreign material, native obstacle (dissection), thrombus/embolus, or spasm/stenosis (select the best answer):
Angioma
Occlusion
deobstruction
Aneurysm
Brightness gain is typically in the range of _____.
5,000-30,000
100-1,000
3,000-4,000
50-75
Implanted endovascularly through a catheter, into inferior vena cava to specifically prevent life-threatening pulmonary emboli:
IVC Filters
Gelfoam slurry
Coils
Vascular Stent
Automatic brightness control (ABC) maintains the brightness of the image by varying _____.
monitor settings
kVp and mA
monitor bandwidth
frequency
The _____ in the image intensifier emits electrons when it is stimulated by light photons.
electron gun
photocathode
output phosphor
input phosphor
The fluoroscopic exposure control switch is always a(n) _____ type.
rheostat
on-off
deadman
automatic
The intensity of scatter radiation 1 meter from the patient is approximately _____ of the intensity of the incident beam at the patient.
0.01%
10%
0.1%
50%
The output phosphor of the image intensifier is composed of _____.
zinc cadmium sulfide
graphite
cesium iodide
antimony
Viewing the fluoroscopic image in magnification mode increases _____.
contrast resolution
spatial resolution
patient dose
all of the above
Is the Seldinger Technique in the correct sequence?
1. Identify and assess the desired vessel to used for access. 2.
Use a single wall puncture with the access needle. 3.
Remove the obturator/stylet (to allow blood flow from needle hub).
4. Observe for arterial/venous blood identifiers appropriately. 5.
Insert the guidewire. 6.
Remove needle 7. Introduce sheath/catheter
true
false
X-rays that exit the patient and enter the image intensifier first interact with the _____.
anode
photocathode
output phosphor
input phosphor
Balloon angioplasty is:
used to cure artherosclerosis
performed to prevent restenosis
employed to dilate blockages and stenosis of the vessel
typically performed prior to the diagnostic angiogram
Deoxygenated blood mainly travels through the ______ of the heart.
veins
arteries
systemic side
both (a) and (c)
General term describing the radiologic examination of vascular structures (arteries & veins) under fluoroscopic guidance with the use of contrast media:
Angiography
Venography
Arteriography
Lymphography
Blood clots can travel from the lower extremities and eventually become pulmonary emboli.
true
false
Right heart catheterization is commonly used to measure:
Pulmonary artery pressure
Left atrial pressure
Hepatic venous pressure
Left ventricular pressure
A charge-coupled device used in digital fluoroscopy provides high _____.
spatial resolution
signal-to-noise ratio
detective quantum efficiency
all of the above
__________ is cut into small pieces, placed into a syringe and mixed with a contrast solution then injected into the area of concern.
Gelfoam
copper wire
styrofoam
mesh wire
Fluoro: X-rays that exit the patient and enter the image intensifier first interact with the _______.
output phospher
photocathode
input phospher
anode
One of the most common arterial access sites is through the:
Femoral artery
Coronary Artery
Common Carotid Artery
Inferior Vena Cava
What is the milliamperage used during conventional fluoroscopy?
1- 5 mA
100- 200 mA
10 - 50 mA
1 mA and below
The _____ is the product of the minification gain and the flux gain.
horizontal resolution
contrast resolution
brightness gain
flux gain
The _____ in the retina are stimulated by _____ light; the _____ are stimulated by _____ light.
rods, low; cones, low
rods, bright; cones, low
rods, bright; cones, bright
rods, low; cones, bright
Electrons hit the __________ after exiting the anode.
output phospher
tube housing
photocathode
focusing lenses
Gastrostomy is considered _______ and ____________.
diagnostic, nonvascular
therapeutic, nonvascular
diagnostic, vascular
therapeutic, vascular
Left heart catheterization is performed to:
measure pulmonary artery pressure
image the coronary arteries
Hepatic venous pressure
image the thoracic aorta
The bucky slot opening in the side of the table must be automatically covered with _____ mm Pb during fluoroscopy.
1.25
1.0
0.5
0.25
A cumulative timer is designed to _____ of fluoroscopy beam-on time.
prevent more than 10 minutes
turn off the radiation every 5 minutes
shut down the system after 15 minutes
make the radiologist aware
Electrons hit the _____ after exiting the anode.
tube housing
output phosphor
focusing lenses
photocathode
In an obstructed kidney, ________ is used to provide drainage or to allow retrieval of a calculus.
intrauterine catheter
Quinton catheter
Percutaneous Nephrostomy Tube
Foley catheter
