When typing a business letter, the sender's name is entered ____ space(s) below the closing

Even when the body is at rest, the chemical and physical activities that take place in the body produce

a. heat. c. sweat. b. radiation. d. calories.

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

1. Ionic and nonionic contrast agents are used primarily for radiographic examinations of the urinary system. 2. Port-a-cath or venous access ports are infusion ports and used for long-term use. 3. PICC lines are large catheters inserted into a vein in the anterior part of the elbow. 4. Hickman catheters are double lumen catheters usually placed in the superior vena cava. 5. Cathartics are contrast agents used in radiographic imaging.