21. The Immune System
Clonal Selection
21. The Immune System
Clonal Selection
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- Textbook QuestionMultiple Choice More than one choice may apply. Which of the following antibody capabilities causes a transfusion reaction with A or B erythrocyte antigens? a. Neutralization b. Precipitation c. Complement fixation d. Agglutination394views1rank
- Multiple ChoiceWhich of the following statements is characteristic of a secondary humoral response?1084views
- Multiple Choice
The clonal selection theory states that:
145views1rank - Multiple ChoiceA vaccination works to establish __________.1645views
- Multiple ChoiceWhich of the following is NOT a mechanism of antibody action?1926views
- Textbook QuestionWhich of the following is not involved in the activation of a B cell? a. antigen, b. helper T cell, c. cytokine, d. cytotoxic T cell.423views1rank
- Textbook Question
Terrence has severe asthma and allergies, and is placed on a medication that blocks the functioning of IgE. How would this medication alleviate his symptoms?
327views - Textbook QuestionTed finds out that he has been exposed to measles. He is concerned that he might have contracted the disease, so he goes to see his physician. The physician takes a blood sample and sends it to a lab for antibody levels and titers. The results show an elevated level and activity of IgM antibodies to rubella (measles) virus but very few IgG antibodies to the virus. Has Ted contracted the disease?402views
- ActivityMechanisms of antibody action882views1rank
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