Z codes are classified into _____ categories

Pain relief while still conscious is known as:

A. analgesia B. anesthesia C. therapeutic index D. inertness

Mr. Philips, a new patient, arrives for his appointment and has his service dog with him. Because he needs your assistance in completing the required forms due to blindness, he is said to have ________ needs. 

Fill in the blank(s) with the appropriate word(s).