Under What Conditions Would You Adjust The Diaphragm. Because a paralyzed diaphragm is higher than usual it compresses the lung and prevents the patient from taking a normal breath. You should always remember when you use the coarse adjustment to used to focus the microscope but only used it with the low power objective.

The diaphragm is located directly under the stage or platform where user places the specimen or slide. Liver supports right diaphragm from the bottom which adapts diaphragm shape like a dome and this support from liver makes right diaphragm easier to contract and relax enabling breathe deeply. Paralysis of the diaphragm.
Used to vary the intensity and size of cone of light that hits the slide.
Paradoxically a paralyzed diaphragm moves up and further compresses the lung. Liver supports right diaphragm from the bottom which adapts diaphragm shape like a dome and this support from liver makes right diaphragm easier to contract and relax enabling breathe deeply. It also places pressure on the esophagus to prevent acid. You can adjust the diaphragm by turning it clockwise to close it or counterclockwise to open it.