Podcast
Questions and Answers
What is the primary purpose of performing a wash in laboratory tests?
What is the primary purpose of performing a wash in laboratory tests?
- To change the pH of the solution
- To increase the concentration of solutions
- To remove excess binding and particles (correct)
- To enhance the visibility of antigens
How is sensitivity defined in the context of a diagnostic test?
How is sensitivity defined in the context of a diagnostic test?
- The probability that the test will be positive in a patient who has the disease (correct)
- The probability that the test will be negative in a patient who has the disease
- The ability of the test to correctly identify patients without the disease
- The measure of how well the test can distinguish between two different diseases
What does the term avidity refer to in antibody interaction?
What does the term avidity refer to in antibody interaction?
- The specific affinity of an antibody for a single epitope
- The speed at which an antibody binds to an antigen
- The overall strength of interaction due to multiple binding sites (correct)
- The likelihood of a false positive result in testing
In a precipitation reaction, what occurs in the zone of antibody excess?
In a precipitation reaction, what occurs in the zone of antibody excess?
Which immunoglobulin molecule is preferred for testing due to its high valence and avidity?
Which immunoglobulin molecule is preferred for testing due to its high valence and avidity?
What are the two critical metrics in evaluating the reliability of a diagnostic test?
What are the two critical metrics in evaluating the reliability of a diagnostic test?
Which of the following describes the function of preliminary immunological tests?
Which of the following describes the function of preliminary immunological tests?
In the context of antibody-antigen interactions, what is a primary concern when interpreting test results?
In the context of antibody-antigen interactions, what is a primary concern when interpreting test results?
What is the significance of the three zones in the precipitin reaction?
What is the significance of the three zones in the precipitin reaction?
Which scenario would necessitate using a qualitative test instead of a quantitative test?
Which scenario would necessitate using a qualitative test instead of a quantitative test?
What does sensitivity measure in a diagnostic test?
What does sensitivity measure in a diagnostic test?
What is indicated by a false positive outcome in a diagnostic test?
What is indicated by a false positive outcome in a diagnostic test?
Which of the following statements about specificity is true?
Which of the following statements about specificity is true?
Which of the following components are used to calculate sensitivity and specificity?
Which of the following components are used to calculate sensitivity and specificity?
What is a true negative outcome in a diagnostic test?
What is a true negative outcome in a diagnostic test?
Why is it important to understand the reliability of a test before diagnosis or treatment?
Why is it important to understand the reliability of a test before diagnosis or treatment?
How can false negative results affect patient diagnosis?
How can false negative results affect patient diagnosis?
What is primarily disrupted during agglutination of particulate antigens?
What is primarily disrupted during agglutination of particulate antigens?
Which assay method is NOT typically associated with soluble antigens?
Which assay method is NOT typically associated with soluble antigens?
In indirect agglutination, which component is used to facilitate cross-linking?
In indirect agglutination, which component is used to facilitate cross-linking?
Which of the following scenarios represents an example of hemagglutination?
Which of the following scenarios represents an example of hemagglutination?
Which method is primarily used for quantifying epitopes by/using antibodies?
Which method is primarily used for quantifying epitopes by/using antibodies?
What type of hypersensitivity is assessed through allergy skin testing?
What type of hypersensitivity is assessed through allergy skin testing?
Which component is leveraged in radioimmunoassay for quantifying substances?
Which component is leveraged in radioimmunoassay for quantifying substances?
Which of the following techniques can be used for both particulate and soluble antigens?
Which of the following techniques can be used for both particulate and soluble antigens?
What is the role of IgM antibodies in direct agglutination?
What is the role of IgM antibodies in direct agglutination?
What phenomenon is described when too much antibody inhibits agglutination?
What phenomenon is described when too much antibody inhibits agglutination?
What is the purpose of using serial dilutions of antibody in agglutination reactions?
What is the purpose of using serial dilutions of antibody in agglutination reactions?
In indirect agglutination, what enhances the sensitivity of detecting low concentrations of antibodies?
In indirect agglutination, what enhances the sensitivity of detecting low concentrations of antibodies?
What does the term 'titer' refer to in the context of agglutination?
What does the term 'titer' refer to in the context of agglutination?
What are soluble antigens expected to do during a quantitative precipitin reaction?
What are soluble antigens expected to do during a quantitative precipitin reaction?
Which method is NOT commonly used for visualization of immune precipitates?
Which method is NOT commonly used for visualization of immune precipitates?
Why might human antibodies not directly agglutinate antigen-bearing particles?
Why might human antibodies not directly agglutinate antigen-bearing particles?
What is a typical outcome when a quantitative precipitin reaction is performed?
What is a typical outcome when a quantitative precipitin reaction is performed?
Flashcards
Office Hours (Tuesday)
Office Hours (Tuesday)
Virtual office hours will be held Tuesday from 4:00 PM to 5:00 PM.
Office Hours (Thursday)
Office Hours (Thursday)
In-person office hours will be held Thursday from 4:00 PM to 5:00 PM in 3 16 j.
Module 4 Lecture Topics
Module 4 Lecture Topics
Module 4 will cover immunological techniques, vaccines, primary and secondary immunodeficiencies.
Wednesday Lecture
Wednesday Lecture
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Friday Exam
Friday Exam
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Asynchronous Monday Lecture
Asynchronous Monday Lecture
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Review Paper
Review Paper
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Primary/Secondary Immunodeficiencies
Primary/Secondary Immunodeficiencies
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Asynchronous Research Day
Asynchronous Research Day
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Bonus Point Opportunity
Bonus Point Opportunity
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Marion Research
Marion Research
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Transplantation
Transplantation
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Immune Pharmacotherapy
Immune Pharmacotherapy
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Hypersensitivity
Hypersensitivity
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Thanksgiving Break
Thanksgiving Break
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Autoimmune Disorders
Autoimmune Disorders
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Case Studies
Case Studies
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Final Debrief
Final Debrief
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CD40 deficiency
CD40 deficiency
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Sensitivity and Specificity
Sensitivity and Specificity
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Diagnostic Equations
Diagnostic Equations
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True Positive
True Positive
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True Negative
True Negative
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Antibody-Antigen Interaction
Antibody-Antigen Interaction
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Affinity
Affinity
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Precipitin Reaction
Precipitin Reaction
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Quantitative Curve
Quantitative Curve
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Zone of Equivalence
Zone of Equivalence
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Zone of Antigen Excess
Zone of Antigen Excess
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Zone of Antibody Excess
Zone of Antibody Excess
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Qualitative Tests
Qualitative Tests
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Quantitative Tests
Quantitative Tests
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Sensitivity
Sensitivity
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Specificity
Specificity
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True Positive
True Positive
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True Negative
True Negative
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False Positive
False Positive
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False Negative
False Negative
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Valence
Valence
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Avidity
Avidity
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Prozone
Prozone
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Diagnostic Sensitivity
Diagnostic Sensitivity
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Diagnostic Specificity
Diagnostic Specificity
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Antibody-Antigen Affinity
Antibody-Antigen Affinity
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Precipitin Reaction
Precipitin Reaction
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Quantitative Curve
Quantitative Curve
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Zone of Equivalence
Zone of Equivalence
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Qualitative Test
Qualitative Test
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Quantitative Test
Quantitative Test
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Sensitivity
Sensitivity
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Specificity
Specificity
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True Positive
True Positive
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True Negative
True Negative
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False Positive
False Positive
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False Negative
False Negative
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2x2 table
2x2 table
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Direct Agglutination
Direct Agglutination
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Indirect/Passive Agglutination
Indirect/Passive Agglutination
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Radial Immunodiffusion
Radial Immunodiffusion
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Immunoelectrophoresis (IEP)
Immunoelectrophoresis (IEP)
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Epitope Detection
Epitope Detection
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Particulate Antigens
Particulate Antigens
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Soluble Antigens
Soluble Antigens
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Agglutination
Agglutination
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Hemagglutination
Hemagglutination
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Direct Agglutination
Direct Agglutination
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IgM Antibody
IgM Antibody
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Prozone effect
Prozone effect
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Titer
Titer
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Indirect/Passive Agglutination
Indirect/Passive Agglutination
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Quantitative Precipitin Reaction
Quantitative Precipitin Reaction
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Radial Immunodiffusion
Radial Immunodiffusion
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Double Diffusion
Double Diffusion
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Immunoelectrophoresis (IEP)
Immunoelectrophoresis (IEP)
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Study Notes
Lecture Location Change
- Lecture will be held in the professor's office today.
- Audio/video equipment more reliable in the office.
Office Hours
- Tuesday 4:00 PM - 5:00 PM - Virtual
- Thursday 4:00 PM - 5:00 PM - In person (location 316J)
Course Information
- Current module: Immunology Techniques
- Wednesday's lecture: Vaccines
- Thursday's lecture: Immuno techniques
- Friday: Exam
Personal
- Professor will be out of town at a wedding Thursday morning and Monday.
- Email or campus messaging best for contact.
Assignments
- Review paper due Monday (documentary analysis) - 2-page double-spaced.
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