11 Foods That Soothe a Sore Throat Many fruits, vegetables, and herbs are capable of saving the day with their antioxidant-rich powers and can sometimes help you avoid that trip to the doctor. iStock/Thinkstock
RAST stands for radioallergosorbent test. This is a blood test used to diagnose allergies. Your blood is drawn and a lab will analyze your blood sample for the level of antibodies that cause allergies.
The rapid strep test (RST), or rapid antigen detection test (RADT), is a rapid diagnostic test that is widely used in clinics to assist in the diagnosis of bacterial pharyngitis caused by group A streptococci (GAS), sometimes termed strep throat.he rapid strep test (RST), or rapid antigen detection test (RADT), is a rapid diagnostic test that is widely used in clinics to assist in the diagnosis of bacterial pharyngitis caused by group A streptococci (GAS), sometimes termed strep throat.