Question 1

Which of the following complement components is an opsonin that binds to complement receptor 1 (CR1)on macrophages?

Accepted Answer

A) C3b 
B) C3a 
C) Bb 
D) Ba 
E) C3bBb. 
A) C3b 
B) C3a 
C) Bb 
D) Ba 
E) C3bBb.

Question 2

Why is it important to expose the hydrophobic sites of C7 and C8 during the formation of the membrane-attack complex?

Accepted Answer

The hydrophobic sites of C7 and C8 enabl

Question 3

The plasma proteins that counteract the activity of factor P by inactivating C3 convertase through the cleavage of C3b are _____.

Accepted Answer

A) factor B and factor H 
B) factor H and factor I 
C) factor B and factor I 
D) decay-accelerating factor and factor H 
E) decay-accelerating factor and membrane cofactor protein. 
A) factor B and factor H 
B) factor H and factor I 
C) factor B and factor I 
D) decay-accelerating factor and factor H 
E) decay-accelerating factor and membrane cofactor protein.

Question 4

Which of the following are important in anchoring the membrane-attack complex to the membrane?

Accepted Answer

A) C3 and C5 
B) C5 and C6 
C) C6 and C7 
D) C7 and C8 
E) C8 and C9. 
A) C3 and C5 
B) C5 and C6 
C) C6 and C7 
D) C7 and C8 
E) C8 and C9.

Question 5

Explain the steps that take place when a bacterium is opsonized via C3b:CR1 interaction between the bacterium and a resident macrophage in tissues.

Accepted Answer

The CR1 on the macrophage can bind to C3

Question 6

Identify the incorrectly paired molecular association.

Accepted Answer

A) iC3: factor B 
B) CR4: iC3b 
C) properdin: C3bBb 
D) membrane cofactor protein: C3b2Bb 
E) decay-accelerating factor: C3bBb. 
A) iC3: factor B 
B) CR4: iC3b 
C) properdin: C3bBb 
D) membrane cofactor protein: C3b2Bb 
E) decay-accelerating factor: C3bBb.

Which of the following complement components is an opsonin that binds to complement receptor 1 (CR1)on macrophages?

Why is it important to expose the hydrophobic sites of C7 and C8 during the formation of the membrane-attack complex?

The plasma proteins that counteract the activity of factor P by inactivating C3 convertase through the cleavage of C3b are _____.

Which of the following are important in anchoring the membrane-attack complex to the membrane?

Explain the steps that take place when a bacterium is opsonized via C3b:CR1 interaction between the bacterium and a resident macrophage in tissues.

Identify the incorrectly paired molecular association.

Elements of the Immune System and Their Roles in Defense

Innate Immunity: the Induced Response to Infection

Antibody Structure and the Generation of B-Cell Diversity

Antigen Recognition by T Lymphocytes

The Development of B Lymphocytes

The Development of T Lymphocytes

T Cell-Mediated Immunity

Immunity Mediated by B Cells and Antibodies

Preventing Infection at Mucosal Surfaces

Immunological Memory and Vaccination

Coevolution of Innate and Adaptive Immunity

Failures of the Bodys Defenses

Ige-Mediated Immunity and Allergy

Transplantation of Tissues and Organs

Disruption of Healthy Tissue by the Adaptive Immune Response

Cancer and Its Interactions With the Immune System

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Exam 2: Innate Immunity: the Immediate Response to Infection

Which of the following complement components is an opsonin that binds to complement receptor 1 (CR1)on macrophages?

Why is it important to expose the hydrophobic sites of C7 and C8 during the formation of the membrane-attack complex?

The plasma proteins that counteract the activity of factor P by inactivating C3 convertase through the cleavage of C3b are _____.

Which of the following are important in anchoring the membrane-attack complex to the membrane?

Explain the steps that take place when a bacterium is opsonized via C3b:CR1 interaction between the bacterium and a resident macrophage in tissues.

Identify the incorrectly paired molecular association.

Elements of the Immune System and Their Roles in Defense

Innate Immunity: the Induced Response to Infection

Antibody Structure and the Generation of B-Cell Diversity

Antigen Recognition by T Lymphocytes

The Development of B Lymphocytes

The Development of T Lymphocytes

T Cell-Mediated Immunity

Immunity Mediated by B Cells and Antibodies

Preventing Infection at Mucosal Surfaces

Immunological Memory and Vaccination

Coevolution of Innate and Adaptive Immunity

Failures of the Bodys Defenses

Ige-Mediated Immunity and Allergy

Transplantation of Tissues and Organs

Disruption of Healthy Tissue by the Adaptive Immune Response

Cancer and Its Interactions With the Immune System

Filters