DMSU 241 MODULE 11 QUESTIONS
WITH 100% CORRECT ANSWERS |
ALREADY PASSED
Although papers report varying rates of abnormalities at carotid endarterectomy sites,
Barnes reported abnormalities of the internal carotid artery were seen in what
percentage of cases?
A.20%
B.6%
C.33%
D.1% - Answer- 6%
Stent angioplasty produces which of the following changes?
A. Weakness in the vessel wall and dilation
B.A decrease in vessel wall compliance
C.A decrease in vessel wall collagen
D. An increase in vessel capacitance - Answer- A decrease in vessel wall compliance
Which of these features is not included with the documentation of a preoperative vein
examination?
A. Number of valves
B. Wall thickness
C. Presence of calcification or thrombus
D. Vessel depth - Answer- Number of valves
Ultrasound examination of veins prior to vascular access device function includes
assessment of all of the following except
A. Vein patency
B. Venous pressure
C. Vein location
D. Vein diameter - Answer- Venous pressure
The appropriate tip position for a central vascular access device is
A. The distal third of the superior vena cava
B. The lower third of the right atrium
C. The innominate vein
D. The subclavian vein - Answer- The distal third of the superior vena cava
Collateral veins
, A. Are seen most often in patients with underlying malignancy
B. Are optimally used for arteriovenous fistula formation in patients with kidney disease
C. Develop in response to poorly controlled hypertension
D. Enlarge in the setting of neighboring larger vein stenosis or thrombus - Answer-
Enlarge in the setting of neighboring larger vein stenosis or thrombus
What is the length of time it takes for an arteriovenous fistula to mature?
A.2 to 4 weeks
B.4 to 6 weeks
C.12 to 16 weeks
D.8 to 12 weeks - Answer- 8 to 12 weeks
This vein can be more commonly used in neonates and children for an access site.
A.The great saphenous vein
B.The radial vein
C.The brachial vein
D.The external jugular vein - Answer- The great saphenous vein
When performing an intraoperative ultrasound on an infrainguinal bypass, this is often
used to minimize the effects of vasospasm
A.Papaverine
B.Cilostazol
C.Heparin
D.Mannitol - Answer- Papaverine
Because of the medial location of the basilic vein
A.It must be transposed and juxtaposed to an artery in order to be used
B.It must be completed harvested and moved to the lateral aspect of the upper arm.
C.It is rarely selected for use in a fistula
D.It is only used if no other vein is available - Answer- It must be transposed and
juxtaposed to an artery in order to be used
When calculating volume flow which of the following is correct?
A.A high wall filter should be used
B.A wide sample gate should be used
C.The average velocity should be measured using one cardiac cycle
D.A fast sweep speed should be used - Answer- A wide sample gate should be used
An intimal flap at a carotid endarterectomy site is
A.Is only revised if it produces a PSV in excess of 250 cm/s
B.Revised if greater than 1 mm in length
C.Always revised
D.Revised if greater than 2 mm in length - Answer- Revised if greater than 2 mm in
length
Arteriovenous fistulae have 2-year primary patency rates of approximately
WITH 100% CORRECT ANSWERS |
ALREADY PASSED
Although papers report varying rates of abnormalities at carotid endarterectomy sites,
Barnes reported abnormalities of the internal carotid artery were seen in what
percentage of cases?
A.20%
B.6%
C.33%
D.1% - Answer- 6%
Stent angioplasty produces which of the following changes?
A. Weakness in the vessel wall and dilation
B.A decrease in vessel wall compliance
C.A decrease in vessel wall collagen
D. An increase in vessel capacitance - Answer- A decrease in vessel wall compliance
Which of these features is not included with the documentation of a preoperative vein
examination?
A. Number of valves
B. Wall thickness
C. Presence of calcification or thrombus
D. Vessel depth - Answer- Number of valves
Ultrasound examination of veins prior to vascular access device function includes
assessment of all of the following except
A. Vein patency
B. Venous pressure
C. Vein location
D. Vein diameter - Answer- Venous pressure
The appropriate tip position for a central vascular access device is
A. The distal third of the superior vena cava
B. The lower third of the right atrium
C. The innominate vein
D. The subclavian vein - Answer- The distal third of the superior vena cava
Collateral veins
, A. Are seen most often in patients with underlying malignancy
B. Are optimally used for arteriovenous fistula formation in patients with kidney disease
C. Develop in response to poorly controlled hypertension
D. Enlarge in the setting of neighboring larger vein stenosis or thrombus - Answer-
Enlarge in the setting of neighboring larger vein stenosis or thrombus
What is the length of time it takes for an arteriovenous fistula to mature?
A.2 to 4 weeks
B.4 to 6 weeks
C.12 to 16 weeks
D.8 to 12 weeks - Answer- 8 to 12 weeks
This vein can be more commonly used in neonates and children for an access site.
A.The great saphenous vein
B.The radial vein
C.The brachial vein
D.The external jugular vein - Answer- The great saphenous vein
When performing an intraoperative ultrasound on an infrainguinal bypass, this is often
used to minimize the effects of vasospasm
A.Papaverine
B.Cilostazol
C.Heparin
D.Mannitol - Answer- Papaverine
Because of the medial location of the basilic vein
A.It must be transposed and juxtaposed to an artery in order to be used
B.It must be completed harvested and moved to the lateral aspect of the upper arm.
C.It is rarely selected for use in a fistula
D.It is only used if no other vein is available - Answer- It must be transposed and
juxtaposed to an artery in order to be used
When calculating volume flow which of the following is correct?
A.A high wall filter should be used
B.A wide sample gate should be used
C.The average velocity should be measured using one cardiac cycle
D.A fast sweep speed should be used - Answer- A wide sample gate should be used
An intimal flap at a carotid endarterectomy site is
A.Is only revised if it produces a PSV in excess of 250 cm/s
B.Revised if greater than 1 mm in length
C.Always revised
D.Revised if greater than 2 mm in length - Answer- Revised if greater than 2 mm in
length
Arteriovenous fistulae have 2-year primary patency rates of approximately
