The ABO Blood Group System

question 1 of 69 course: Biomedical Science(Degree)
question 1 of 69 course: Biomedical Science(Degree)

Q: The 'B-glycosyltransferase' enzyme adds D-galactose to the H antigen to create the B antigen.

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Curschmann's spirals are coiled strands of inspissated mucus that indicate chronic respiratory conditions such as asthma, chronic bronchitis, or long-term smoking. Their presence reflects mucus hypersecretion and impaired airway clearance. While not specific to any single disease, they serve as a marker of chronic airway irritation and inflammation. In clinical practice, finding Curschmann's spirals should prompt further evaluation for underlying chronic respiratory diseases and may guide therapeutic decisions regarding bronchodilators or mucolytic agents.

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