Spin-echo :Which of the following would produce a T1-weighted image using spin-echo?

GRE weightings:A PD-weighted GRE image is achieved using:

GRE weightings: What is the Ernst angle?

K- space filling methods: What distinguishes spiral k-space filling?

Spin-echo: What is the main purpose of the 180° RF pulse in a spin-echo sequence?

Spin-echo: The time taken to rephase after the 180° RF rephasing pulse equals the time to dephase when the 90° RF excitation pulse is withdrawn. This time is called :

 GRE pulse sequences part II:What distinguishes SE-EPI from GE-EPI?

 Spin-echo :What parameter directly influences how many echoes are collected per TR in TSE?

Spin-echo pulse sequences: What additional benefit does triple IR provide over double IR?

GRE weightings:What is the purpose of using a short TE in T1-weighted GRE imaging?