Podcast
Questions and Answers
What is the role of the complement system in the immune system?
What is the role of the complement system in the immune system?
- It produces antibodies against foreign substances.
- It helps in blood clotting.
- It regulates hormonal balance in the body.
- It provides a defense mechanism against microbial invaders. (correct)
Why is ANA testing not suitable as a screening test for rheumatic or nonrheumatic diseases in asymptomatic individuals?
Why is ANA testing not suitable as a screening test for rheumatic or nonrheumatic diseases in asymptomatic individuals?
- It is expensive.
- It is time-consuming.
- It requires specialized equipment.
- It has low specificity. (correct)
Which diseases can result in hypocomplementemia due to the formation of immune complexes?
Which diseases can result in hypocomplementemia due to the formation of immune complexes?
- Diabetes and hypertension
- SLE and RA (correct)
- Osteoarthritis and gout
- Influenza and common cold
Why should new complement test results be compared with previous test results rather than reference ranges?
Why should new complement test results be compared with previous test results rather than reference ranges?
What does the CH50 test measure?
What does the CH50 test measure?
Which complement protein appears to be more sensitive to small changes in complement activation?
Which complement protein appears to be more sensitive to small changes in complement activation?
What is the normal value for Rheumatoid factor (RF)?
What is the normal value for Rheumatoid factor (RF)?
What does a titer of > 1:20 or a conc > 20 international units / mL generally indicate?
What does a titer of > 1:20 or a conc > 20 international units / mL generally indicate?
Which part of IgG do Rheumatoid factors (RFs) abnormally target?
Which part of IgG do Rheumatoid factors (RFs) abnormally target?
What is the most common disease associated with Rheumatoid factors (RFs)?
What is the most common disease associated with Rheumatoid factors (RFs)?
What is the significance of having both positive RF and positive anti-CCP antibody?
What is the significance of having both positive RF and positive anti-CCP antibody?
What is the normal value for anti-CCP antibodies?
What is the normal value for anti-CCP antibodies?
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