Section 2: Pictorial section. Each question consists of a picture. Do the following: i) name the one or two phenomenon/a or the technique/s depicted therein - use the correct term/s- and ii) provide a short description of this/these, while indicating specifically how it/they relate/s to medical imaging.

(Mainly need help on 3-5)

1. (Two phenomena: encapsulated in green and red) K K. Kez Relative output Ky 0 30 40 50 GO 20 80 60 Energy (kV) 2. (One important aspect of an imaging modality, encapsulated in red) 1.0 x-y plane 0.5 Signal Amplitude 0.0 Time eceiver Coil -0.5 M -1.0 3. (One important concept) f(x,y) P P(p. 4. (One technique) O 0 0000 0 ...................... 5. (One imaging modality) Synapse Astrocyte Glutamate Gutamate Glucose Capillary 04 Gucose Glucose Less Hb Slower dephasing Stronger MRI signal More HD Faster dephasing Weaker MRI signal Hb-induced dephasing Excite Acquire image + MRI mission Time