GUIDEWIRES AND VASCULAR
CATHETERS EXAM QUESTIONS WITH
CORRECT ANSWERS
What is the length of straight tips? - Answer-Fixed core straight - 3cm
Movable core straight - 10 to 15cm
What is the radius of J shaped tips? - Answer-3mm to 3 cm
What is the length of a short guidewire? - Answer-30-50 cm
What is the length of an average sized guidewire? - Answer-100-150 cm
What is the length of a long guidewire? - Answer-260 cm
What are the units for measuring the diameter of guidewires? - Answer-Fractions of an
inch or milimeter
What is the diameter of a typical guidewire? - Answer-0.35mm to 1.32 mm
What is the most common diameter used for adult guidewires? - Answer-0.89mm to
0.97mm
What are the factors taken in to consideration when choosing a guidewire? - Answer-
Needle Gauge
Vessel Size
Size of the lumen of vascular catheter
What are the two reasons why the guidewire does not advance smoothly? - Answer-
Tortous vessel
Position of needle
What are the precautions when using guidewires? - Answer-Bevel up
Avoid cleaning guidewire too often
Discard used guidewires as you go
Long hollow thin tube with one to several holes at the distal end which serves as a
pipeline through which contrast can be injected? - Answer-Vascular catheters
What are vascular catheters made up of? - Answer-Teflon
Polyethylene
Polyurethane
Dacron
CATHETERS EXAM QUESTIONS WITH
CORRECT ANSWERS
What is the length of straight tips? - Answer-Fixed core straight - 3cm
Movable core straight - 10 to 15cm
What is the radius of J shaped tips? - Answer-3mm to 3 cm
What is the length of a short guidewire? - Answer-30-50 cm
What is the length of an average sized guidewire? - Answer-100-150 cm
What is the length of a long guidewire? - Answer-260 cm
What are the units for measuring the diameter of guidewires? - Answer-Fractions of an
inch or milimeter
What is the diameter of a typical guidewire? - Answer-0.35mm to 1.32 mm
What is the most common diameter used for adult guidewires? - Answer-0.89mm to
0.97mm
What are the factors taken in to consideration when choosing a guidewire? - Answer-
Needle Gauge
Vessel Size
Size of the lumen of vascular catheter
What are the two reasons why the guidewire does not advance smoothly? - Answer-
Tortous vessel
Position of needle
What are the precautions when using guidewires? - Answer-Bevel up
Avoid cleaning guidewire too often
Discard used guidewires as you go
Long hollow thin tube with one to several holes at the distal end which serves as a
pipeline through which contrast can be injected? - Answer-Vascular catheters
What are vascular catheters made up of? - Answer-Teflon
Polyethylene
Polyurethane
Dacron
