The terminal ICA bifurcates into the ______ and ______.

Which intracranial artery is typically imaged at a depth of 80-120 mm?

Click the NUMBER pointing to the vertebral artery.

___________ velocities are used when performing a transcranial doppler ultrasound.

New plaque appears hyperechoic on ultrasound.

Which vessel has bi-directional flow?

Click the NUMBER pointing to the posterior communicating artery. 

Transient Ischemic Attacks last ____ hours. 

At a depth of 110 mm in the transforaminal window, which vessel is most likely visualized? 

Scenario: A nurse is providing contraceptive counseling to a couple who prefers to use barrier methods for family planning. They are interested in learning about the effectiveness of various options when used correctly and consistently.   Question: During the counseling session, the nurse explains that some barrier methods are more effective than others when used consistently and correctly. Which method has the lowest failure rate under these conditions?