In MRI, which type of spatial frequencies correspond to a patient’s overall image contrast versus fine detail?

As echo train length (ETL) is increased, the effective TE fills less of the central portion of k-space resulting in:

A technique that uses differences in magnetic susceptibility between tissues to generate image contrast is called:

A weakening and bulging in the artery, that occurs as a congenital defect or as a result of trauma or infection is called  _____________________.      

This procedure is used for surgical access through the superficial tissues of the scalp, bony cranium nad neural tissues is a __________________________.

Upon craniotomy closure, the bone flap is secured  with all the following EXCEPT:

Who was awarded the Nobel prize for the discovery of the virus that causes AIDS, HIV?

The viral protein responsible for attachment of HIV to the target host cell is:

In what year was the HIV virus discovered and where was it discovered?

The final step of the HIV replication cycle is: