Visakhapatnam

Yes, M.Sc Nutrition courses are available in American University in Visakhapatnam, but for that you need to qualify your exam that too with a good merit of your the earliest studies.

Kindly visit this link:
https://www.shiksha.com/b-tech/resources/ts-eamcet-college-predictor

It is difficult to get a seat in deemed university according to your EAMCET rank, but you may get a seat in other universities.

Yes, with the rank of 685 in AUCET 2018 exam, you will definitely get admission in AU Visakhapatnam for Mac. Best of luck for your future.

Yes, you may have chance, please contact counselling authorities.

Andhra Pradesh-EAMCET 2018 College Predictor:
Use your Andhra Pradesh-EAMCET 2018 rank to see where you can get admission at the link provided below:
See the courses, colleges & rounds you may crack
The result is based on admissions data of Andhra Pradesh-EAMCET 2017
Get resources & insights on colleges & courses
https://www.shiksha.com/b-tech/resources/ap-eamcet-college-predictor.

Admission to this course is through counseling based on the rank obtained in Andhra University Common Entrance Test (AUCET). Eligible candidates need to appear for Andhra University Common Entrance Test (AUCET). Regards.

Admission is through counseling based on the marks obtained in 10+2.