How many times should the lavender-topped blood collection tube be inverted after blood collection?

Which of the following are reasons why the foot should be dorsiflexed to a 90-degree angle with the lower leg for a lateral ankle projection?

1. It places the tibiotalar joint in a neutral position. 2. It prevents the patient from rotating posteriorly. 3. It allows the anterior pretalar fat pad to be used to detect joint effusion. 4. It positions the talar domes on top of each other. a. 1 and 3 only b. 1, 2, and 3 only c. 3 only d. 1 and 4 only

Nuclear medicine is also known as ____. 

A. radionuclide imaging B. ultrasound C. radiation therapy D. CT scanning E. magnetic resonance imaging