CPT Main Terms are always ________, with each word beginning with a capital letter

For security purposes, after saving a patient's demographic information, the social security number displays ____________.    

A. only the first 3 numbers B. only the last 4 numbers C. only the patient's name and address D. xxx-xx-xxxx

Which of these occurs when air leaves the lungs? 

A. Air pressure in the lungs is higher than atmospheric pressure, and the diaphragm relaxes. B. Thoracic pressure decreases. C. The diaphragm contracts, enlarging the thoracic cavity. D. The intercostal muscles raise the ribs.