You have a patient who makes autoantibodies against his own red blood cells, leading to hemolysis. Which one of the following mechanisms is MOST likely to explain the hemolysis?
A. Neutrophils release proteases that lyse the red cells.
B. Perforins from cytotoxic T cells lyse the red cells.
C. Complement is activated, and membrane attack complexes lyse the red cells.
D. Interleukin-8 binds to its receptor on the red cells, which results in lysis of the red cells.
Select your answer:
Topics:
Genes, Chromosomes and Genome Health - Nutrition Factors Affecting Health Diseases Key Terms Dental Caries Biotechnology Plasmid Dyslexia Cardiovascular Med Terms Motor Neuron Disease Biochemistry: Carbohydrates and Lipids Human Organs Reproductive System Vocabulary Human Eye and Colourful World Body SystemOther quiz:
Essential Nutrients › ViewWhich option is NOT true about Fat?
A. Our body is mostly made of fat
B. Fat is the body’s stored energy
C. Fat is needed for vitamin absorption
D. Unsaturated fats are healthy for the body
Cell Membrane and Transport › View
Scientist drop sugar into a water solution. Overtime the sugar diffuse in the evenly in the water solution. Why did this happen and what type of transport is this?
A. This happens because when sugar molecules are in low concentration they move into a high concentration. This is an example of active transport.
B. This happens because when sugar molecules are in low concentration they move into a high concentration. This is an example of passive transport.
C. This happens because when sugar molecules are in a high concentration they move into a low concentration. This is an example of active transport.
D. This happens because when sugar molecules are in a high concentration they move into a low concentration. This is an example of passive transport.