The lac operon is a(n) ___ operon, meaning that gene expression is turned ___ when lactose is present. 

What is the difference from Unethical to Illegal?

What are the 3 branches of government?

Your patient undergoes carotid endarterectomy. Six months later, a Carotid Duplex is performed due to neurologic symptoms. Findings reveal the operated carotid is significantly narrowed with thickened vessel walls. The most likely cause of this finding is:

A patient presents to the vascular lab with a choke lesion. The ICA presents with antegrade and dampened flow. What findings would you expect to document within the ECA?

When vessels in a network are arranged in parallel, how does this affect the overall resistance of the network?

Connection between artery and vein using polytetrafluoroethylene (PTFE) material or other synthetic material. It includes two anastomotic sites. 

Which vessel or vessels provide the primary arterial supply to carotid body tumors?

What are Hollenhorst plaques?

What is the general acceptable size for upper extremity arteries for fistula creation?