Which of the following would be the most appropriate way to collect a sample of blood?


A. Wet blood is allowed to first air dry before a scraping is taken.

B. Dried blood is carefully collected on a cotton swab.

C. Blood is placed in a tightly sealed glass jar in preparation for transport.

D. When found on an object, only the part of the object that contains blood should be collected.


- Sorry about the 'Subject' tab, I know Chemistry isn't the right subject, but they don't have one for Forensics.