No the HIV test is not a medical examination. It is a blood test.

No, HIV is not checked in routine blood tests. The test must be specifically ordered.

You can not conform the presence of HIv with the blood test, you need to go with ELISA, tridot and also western blotting.

An HIV blood test can tell if you are pregnant. When doctors get results back from a blood test, though they may be testing for a specific thing other things will get flagged as well. For example, when you take a home-pregnancy test and then go to the doctor's to confirm you are pregnant, often they will run blood tests to determine pregnancy. An HIV blood test will show whether or not you have HIV, but will also show whether or not you are pregnant.
No; a HIV blood test won't tell if you are pregnant.

If the blood test is for HIV and syphilis, it will not detect herpes.