Connect with a knowledgeable community and get your questions answered on IDNLearn.com. Get accurate and comprehensive answers to your questions from our community of knowledgeable professionals.

When should urine be collected to provide the most concentrated sample?
A. Any urine sample taken throughout the day will be the same, so it doesn't matter when it's collected.
B. At the end of the day
C. First urination of the day
D. Shortly after drinking a bowl of water