immuno class quiz 2-3

Effector molecules encoded by interferon-stimulated genes induce the antiviral state. Which of the following is not a feature of the antiviral state?

A. Enhanced mitosis

B. RNA degradation

C. Blockade of endocytosis

D. Inhibition of protein translation

A. Enhanced mitosis

2. An extracellular pathogen is most likely to be recognized by which of the following pattern recognition receptors?

A. Nod-like receptor (NLR)

B. RIG-I-like receptor (RLR)

C. Toll-like receptor (TLR)

D. CGAS receptor

C. Toll-like receptor (TLR)

3. 3a, C4a, and C5a induce which of the following effector functions?

A. Opsonization

B. Immune complex formation

C. Membrane attack complex formation

D. Anaphylatoxin-induced inflammation

D. Anaphylatoxin-induced inflammation

Which of the following is not a function of traditional chemokine receptors?

1. Pro-survival signaling

2. Ligand scavenging

3. Cytoskeletal reorganization

4. Induction of gene expression

1. Ligand scavenging

5. Which of the following pathways of complement fixation is initiated by antibodies?

1. Lectin

2. Classical

3. Modern

4. Alternative

2. Classical

6 Which of the following modalities of cell death is characterized by the maintenance of cell membrane integrity after death?

A Necrosis

B Necroptosis

C Apoptosis

D. Pyroptosis

C Apoptosis

Claudin, ZO-1, and Occludin constitute which of the following?

1. Tight junctions, a physical barrier to infection 

2. Tight junctions, a chemical barrier to infection 

3. Defensins, a physical barrier to infection 

4. Defensins, a chemical barrier to infection

1. Tight junctions, a physical barrier to infection 

8. Which of the following cell types uses specialized granules that enhance the function of phagolysosomes?

A. Tcells

B. Macrophages

C. Mast cells

D. Neutrophils

D. Neutrophils

What type of molecule is STAT?

1. Receptor 

2. Kinase

3. Cytokine

4. Transcription factor

1. Transcription factor

10. Interleukin-2 (IL2) promotes proliferation of cytotoxic T cells for clearing viral infection.

IL2 also promotes proliferation of regulatory T cells for immune tolerance. This is an example of which of the following?

1. Pleiotropy

2. Synergy

3. Redundancy

4. Antagonism

1. Pleiotropy