what is the most common cause of arterial stenosis
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What is the most common cause of arterial stenosis?
A. atherosclerosis
B. aplasia
C. hematoma
D. ischemia - ANSWER A
What is the name given the innermost wall of an artery? - ANSWER The Intima
Which of the following indicates the normal range for partial thromboplastin time (PTT)?
A. 5-10 sec
B. 10-15 sec
C. 20-35 sec
D. 60-90 sec - ANSWER C
PTT is normally 20-35 seconds
For what purpose is acetylcholine used?
A. vasoconstriction
B. vasodilation
C. anti-inflammation
D. anti-hypertension - ANSWER B
Which of the following can be achieved with different types of balloon catheters?
,1. temporary occlusion
2. permanent occlusion
3. angioplasty
A. 1 only
B. 2 only
C. 3 only
D. 1, 2, and 3 - ANSWER D
Different types of balloon catheters are used in permanent and temporary occlusion as
well as angioplasty.
Which of the following is the most important part of an angioplasty procedure?
A. advancement of the guidewire and catheter through the lesion
B. hemorrhage at the puncture site
C. balloon dilatation of the lesion
D. removal of the balloon catheter - ANSWER A
Which of the following are long term occluding materials?
1. gianturco coil
2. polyvinyl alcohol foam
3. gelfoam
A. 1 and 2 only
B. 1 and 3 only
C. 2 and 3 only
D. 1, 2, and 3 - ANSWER A
Long term occluding materials include a Gianturco coil and polyvinyl alcohol foam.
Gelfoam is a temporary occluder.
Which of the following procedures is initiated by advancement of a wire guide through a
,stenosed segment of artery?
A. vasodilator infusion
B. intravascular thrombolysis
C. percutaneous transluminal angioplasty
D. embolectomy - ANSWER C
Percutaneous transluminal angioplasty A wire guide is first passed through a narrowed
area of an artery. A catheter is then passed over the wire guide through the stenosis in
order to begin the dilation process.
Which of the following agents may be used both before and after an angioplasty
procedure?
A. gelfoam
B. heparin
C. vasopressin
D. epinephrine - ANSWER B
Where does the ascending aorta terminate?
A. brachiocephalic trunk
B. descending aorta
C. left ventricle
D. arch of the aorta - ANSWER D
Which of the following is a direct puncture of the aorta?
A. intravenous aortography
B. translumbar aortography
C. percutaneous transhepatic aortography
D. percutaneous catheter aortography - ANSWER B
, How long should compression remain following removal of an arterial catheter?
A. 2 min
B. 5 min
C. 10 min
D. 30 min - ANSWER C
Which of the following is a separation of the walls of the aorta?
A. aneurysm
B. dissection
C. stenosis
D. insufficiency - ANSWER B
What is the correct angioplasty balloon diameter compared to the measured diameter of
the vessel?
A. 1.5 - 2.5 mm smaller
B. 0.5 - 1.5 mm smaller
C. the same size as the area adjacent to the stenosis
D. 0.5 - 1.5 mm larger - ANSWER C
An angioplasty balloon should be the same size as the measuring diameter of the vessel
adjacent to the stenosis.
Which of the following has been defined as a focal saccular or fusiform dilation of the
aorta?
A. aneursym
B. dissection
C. stenosis
D. insufficiency - ANSWER A
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