How many key components determine the level of E&M code for an established patient?

Which of the four "Ds of Negligence" implies that a physician–patient relationship exists when the patient makes an appointment and comes in for treatment?

A) Duty B) Direct cause C) Dereliction of duty D) Damages

Hydrants should have a minimum of _____ outlets, one being at least 4 in. (101.6 mm) for pumper suction

a. three b. two c. five d. four