Final answer:
The pulse sequence that uses a flip angle between 15 and 60 degrees in MRI is Gradient Echo. It is faster than spin-echo sequences and is used to create T2* weighted images.
Step-by-step explanation:
The pulse sequence that utilizes a flip angle between 15 degrees and 60 degrees is B) Gradient Echo. This type of sequence is used in magnetic resonance imaging (MRI) to generate T2* weighted images and can acquire images faster than conventional spin-echo sequences. The flip angles in gradient echo sequences are typically lower than those used in traditional spin-echo sequences, which usually employ a 90-degree flip angle followed by a 180-degree refocusing pulse.