A poster bed is a bed that has four vertical columns at each corner. They are pretty sturdy and are rather traditional beds. They're not necessarily better than other beds though - it's a stylistic thing.
Yes, you have the patient face the film so that the ray shoots from the posterior to the anterior. Then also lateral. Other films are taken AP, such as extremities.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.