A 28-year-old woman presents with a sore throat and swollen lymph nodes. A rapid
Practice Questions
Q1
A 28-year-old woman presents with a sore throat and swollen lymph nodes. A rapid strep test is positive. What is the most likely causative agent?
Streptococcus pyogenes
Streptococcus pneumoniae
Haemophilus influenzae
Corynebacterium diphtheriae
Questions & Step-by-Step Solutions
A 28-year-old woman presents with a sore throat and swollen lymph nodes. A rapid strep test is positive. What is the most likely causative agent?
Correct Answer: Streptococcus pyogenes
Step 1: A 28-year-old woman has a sore throat and swollen lymph nodes.
Step 2: A rapid strep test is performed to check for a specific bacteria.
Step 3: The rapid strep test comes back positive.
Step 4: The positive test indicates that a certain type of bacteria is likely causing her symptoms.
Step 5: The most common bacteria that causes a sore throat (pharyngitis) and is detected by this test is called Streptococcus pyogenes.
Pharyngitis – Pharyngitis is an inflammation of the throat, commonly caused by infections, with Streptococcus pyogenes being a leading cause.
Rapid Strep Test – A rapid strep test is a diagnostic tool used to quickly identify the presence of Streptococcus pyogenes in patients with symptoms of pharyngitis.
