If you try to create a brush from your current document but nothing is selected:

To temporarily draw freehand with the Polygonal Lasso, you:

How do you delete a saved selection?

NOT a Duotone option?

What happens on pressing the arrow keys while holding shift?

How can you view the Photoshop Splash Screen again after Photoshop has been started and has finished loading?

A layer in an open document, A, can be duplicated into another open document, B, by

Which one is NOT a text warp option?

The brush parameter known as 'spacing' refers to...

How can you make the opacity and blend mode of an applied filter editable after the fact?

Key command to bring up the last used Filter to apply again, but also show the options dialogue box? (Only applies to Filters that have options).