Which of the following proteins is NOT involved as an acute phase reactant? A) Complement proteins B) Albumin C) Immunoglobulins D) C-reactive protein (CRP)
Understand the Problem
The question is asking to identify which protein listed is not involved as an acute phase reactant, which typically includes proteins that increase in concentration during inflammation.
Answer
Albumin
Albumin is not involved as an acute phase reactant.
Answer for screen readers
Albumin is not involved as an acute phase reactant.
More Information
Albumin is a plasma protein whose levels decrease during the acute phase response, hence it is considered a 'negative' acute phase reactant. Unlike complement proteins, immunoglobulins, or C-reactive protein (all positive acute phase proteins), albumin does not increase during inflammation.
Tips
A common mistake is assuming all proteins involved in acute phase response increase in concentration, while some, like albumin, decrease.
Sources
- Acute-phase protein - Wikipedia - en.wikipedia.org
- Acute Phase Protein - an overview | ScienceDirect Topics - sciencedirect.com
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