Increased pressure in the distal venous system is seen in secondary varicose veins because of all of the following EXCEPT:

When measuring the superficial veins for a venous insufficiency/incompetence study, the calipers are placed from inner wall to inner wall.

A viral disease that destroys the cells of the anterior (ventral) horn will    

Which statement lists the branches of the aortic arch in order from the first branch to last.

All the following are contraindications of a radial artery mapping except:

All the following statements regarding laminar flow are true EXCEPT:

Branches off the subclavian artery include: (Select all correct choices)

Clusters of RER (and free ribosomes) in neurons are called             A. Microglia      B. Neurofibrils      C. Synapses      D. Nissl bodies

Which of the following is a branch off the external carotid artery?

Light refraction takes place at the