This device is electrically powered and operates on the piezoelectric principle and is capable of high output

Which of the following mechanisms facilitate venous return to the heart? 1. Sodium/potassium pump 2. Sympathetic venomotor tone 3. Cardiac suction 4. Skeletal muscle contraction

a. 1 and 2 only b. 2, 3, and 4 only c. 1, 2, 3, and 4 d. 3 and 4 only

The packing slip for a supply shipment is usually sealed in a clear plastic envelope and attached to the outside of the box. It might also be packed with the supplies

Indicate whether the statement is true or false