What type of energy is defined as the amount of energy needed to remove an electron from its orbital shell?

Base stations:

a. usually have more power than mobile or portable radios b. have higher, more efficient antenna systems c. allow for communication with field units at much greater distances d. all of the above

Indications for directed coughing include which of the following?

1. Enhance other airway clearance therapies. 2. Help patients with tuberculosis clear secretions. 3. Help prevent postoperative pulmonary complications. 4. Obtain sputum specimens for diagnostic analysis. a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 1, 3, and 4 only