What are used to report product-specific HCPCS codes to obtain reimbursement for biologicals, devices, drugs, and other items associated with implantable device technologies?

Consider the following equation: y = 2x Which of the following is the proportionality constant?

A) 2 B) 4 C) x D) y

You are treating a 54-year-old male complaining of crushing chest pressure. He states that the pain started about 45 minutes ago and has gotten worse in the last 20 minutes. He also complains of nausea and is pale and sweaty. These signs and symptoms are consistent with:

A) congestive heart failure. B) heartburn. C) myocardial infarction. D) angina pectoris.