Which of the following respiratory hazards causes superheated air to damage the respiratory tract?

The Latin phrase primum non nocere, or "First, do no harm," sums up the principle of:

a. autonomy. b. justice. c. beneficence. d. nonmaleficence.

What are two important sources for human motivation?

a. morals and ethics b. ethics and needs c. morals and values d. needs and values