The study of the effects of aging and age-related diseases in human beings is called:

The EMT is properly assessing the breathing of a 3-year-old when he:

A) counts the respiratory rate for 15 seconds and multiplies by 4. B) counts the respiratory rate for 30 seconds and multiplies by 2. C) counts the respiratory rate for 15 seconds and observes chest rise and fall. D) counts the respiratory rate for 10 seconds and multiplies by 6.

Volume 1 should be referred to by a coder:

A. after the correct main term and code have been located in Volume 2. B. before using Volume 2 to find the written description of a condition. C. only if the correct main term and code cannot be found in Volume 2. D. after the correct main term and code have been located in Volume 3.