Sample Questions (RVS)

1. What mechanism is primarily responsible for returning blood to the heart while walking:
   
   1. Gravity
   2. Venous valves
   3. Skeletal muscle
   4. Arterial pressure
2. A TIA of the left anterior hemisphere of the brain will MOST likely affect:
   1. Entire body
   2. Left side of the body
   3. Right side of the face
   4. Right side of the body
3. Intracranial circulation is a:
   1. Low-flow, low resistance system
   2. Low-flow, high resistance system
   3. High-flow, low resistance system
   4. High-flow, high resistance system
4. Failure to produce augmentation of a Doppler signal in the common femoral vein following thigh compression suggests obstruction of what vein?
   1. Popliteal
   2. External iliac
   3. Greater Saphenous
   4. Superficial Femoral
5. Which of the following factors has the greatest effect on resistance to laminar flow through a blood vessel?
   1. Vessel radius
   2. Vessel length
   3. Blood velocity
   4. Blood viscosity

Answers
1. c  2. d   3. c   4. d   5. a