Which type of antihypertensive drug acts by relaxing smooth muscle in the blood vessels?

The purpose of an Advanced Beneficiary Notice is to:

a. remind the patient what is and is not covered by Medicare. b. confirm that the patient wants the procedure billed to Medicare. c. alert the patient that he or she may have to pay for the procedure. d. document the provider notifying the patient of the procedure's possible complications.

You have been called for a 25-year-old man who is experiencing difficulty breathing and sharp chest pain after moving some heavy furniture. The pain is located on the right side of the chest and seems to worsen on deep inspiration. With this information, you immediately suspect pneumothorax. Which of the following should you perform next to help confirm your suspicion?

A) Inquire about past lung problems B) Obtain and SpO2 reading C) Palpate for subcutaneous emphysema D) Auscultate all lung fields