question: in the case that your doo file doesn't open, it is highly likely that you do not have the correct software application installed on your pc to view or edit doo file extensions.
Capitalize this past sentence correctly.
A: In the case that your DOO file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit DOO file extensions.

question: revision 2.2.4 1645 downloads, released on 2011-08-15
Capitalize this past sentence correctly.
A: Revision 2.2.4 1645 Downloads, Released on 2011-08-15

question: when ointments containing nitroglycerin are applied to the anal canal, the nitroglycerin diffuses across the anoderm and relaxes the internal sphincter and reduces the pressure in the anal canal.
Capitalize this past sentence correctly.
A: When ointments containing nitroglycerin are applied to the anal canal, the nitroglycerin diffuses across the anoderm and relaxes the internal sphincter and reduces the pressure in the anal canal.