Silver bromide precipitates out when silver nitrate reacts with

The thymus gland and the spleen are part of the lymphatic system

Indicate whether the statement is true or false

Answer the following statement(s) true (T) or false (F)

1. Contrast medium is used to make anatomical structures within the body, not normally visible on an image, become visible. 2. Contrast medium does not cause allergic reactions. 3. Water-soluble iodinated contrast agents are more viscous than fat-soluble iodinated contrast agents. 4. The higher the atomic number of a tissue (bone), the more radiation absorption. 5. Barium, with an atomic number or Z of 56, is a negative contrast agent.