The patient with a sore throat has tested positive for group A beta-hemolytic Streptococcus pyogenes. The nurse educates the patient to complete the entire course of antibiotics in order to prevent which complications? Select all that apply.

The 62-year-old male patient presents to the office complaining of difficulty urinating, with a weak stream, waking multiple times in the night to urinate, and the feeling of not completely emptying the bladder that has been occurring for months. Which test must be performed first for this patient? 

Which patients are at an increased risk for Raynaud’s phenomenon? Select all that apply.