Please capitalize where necessary: so always check for the doctor’s opinion before giving any medication to the child.
A: So always check for the doctor’s opinion before giving any medication to the child.

Please capitalize where necessary: chose the largest visible cervical lymph node in each side of the mouse neck.
A: Chose the largest visible cervical lymph node in each side of the mouse neck.

Please capitalize where necessary: now there are certain factors that come into play when you are using the outlook application.
A: Now there are certain factors that come into play when you are using the Outlook application.

Please capitalize where necessary: your advanced search criteria will automatically default to your match criteria.
A:
Your Advanced Search criteria will automatically default to your Match criteria.