Understanding Viral Testing Techniques

Which type of sample is NOT typically used for PCR testing?

• Nose or throat swabs

• Blood

• Feces

• Urine

What is the main purpose of using fluorescent probes in PCR testing?

• To identify the type of virus

• To amplify the DNA

• To reverse transcribe RNA to DNA

• To detect the presence of viral genetic material

What does PCR stand for in the context of viral testing?

• Protein Case Response

• Polymerase Chain Reaction

• Protein Chain Reaction

• Polymer Case Response

Which antibodies indicate a recent infection in immunoassays?

• IgE antibodies

• IgA antibodies

• IgG antibodies

• IgM antibodies

What indicates that someone has recovered from a virus according to immunoassays?

• Presence of IgM antibodies

• Presence of IgG antibodies

• Absence of any antibodies

• Presence of viral RNA

What is the potential use of blood plasma from individuals who have recovered from a virus?

• For creating new viruses

• As a vaccine

• For genetic research

• As a treatment for currently infected individuals

Which type of PCR quantifies individual pieces of target DNA?

• Digital PCR

• Analog PCR

• Quantitative PCR

• Qualitative PCR

Which country developed an immunoassay for SARS-CoV-2 before COVID-19 was declared a pandemic?

• USA

• China

• Singapore

• Italy