Sweep, fan, slide: do not trust the still image

Question 1What does sweeping do?

1. aMoves the probe sideways across the target to see neighbouring slices
2. bRotates the probe 90 degrees
3. cTilts the probe in one spot
4. dChanges the gain

Question 2What does fanning do?

1. aIncreases the depth
2. bMoves the probe to the other side of the body
3. cTilts the probe through an arc from one point on the skin
4. dSlides the probe along a vessel

Question 3Why is one normal frame not enough?

1. aUltrasound images are three-dimensional
2. bThe frame is always blurred
3. cPathology can sit a few millimetres outside the slice
4. dSaved images are deleted

Question 4When should you freeze the image?

1. aNever
2. bBefore placing the probe
3. cAfter surveying the whole target, to record the finding
4. dAt the first view you obtain

Question 5You find a small collection. What next?

1. aSweep through it to define its edges, then confirm it in two planes
2. bTurn up the gain until it disappears
3. cFreeze immediately and stop
4. dIgnore it