Which of the following would be the most appropriate way to store or transport 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.

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