3RD+MIDTERM+KEY+2007

3RD MIDTERM KEY 2007 - VM PMI 126 1 3RD MIDTERM EXAMINATION WINTER 2007 Where in the body would you expect to find developing B lymphocytes a Blood

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
VM PMI 126 3 RD MIDTERM EXAMINATION WINTER 2007 1. Where in the body would you expect to find developing B lymphocytes? a. Blood b. Spleen c. Bone marrow d. Lymph node e. All of the above 2. What would be the outcome if an immature B lymphocyte bound its’ target antigen? a. Antibody class switch b. B cell proliferation c. B cell apoptosis d. B cell necrosis e. a and b only 3. Which of the following would you expect to be expressed by a B lymphocyte that has just completed the maturational process and has not yet engaged its’ specific antigen ( naïve B cell)? a. IgM b. IgD c. CD40 d. Ig-α/Ig-β e. All of the above 4. Relative to generating an antibody response, which of the following would typically be associated with a T- dependent antigen? a. Induction of an IgM antibody response b. Induction of class switching to IgA or IgG c. Affinity maturation d. All of the above e. None of the above 5. Relative to generating an antibody response, which of the following would typically be associated with a T- independent antigen? a. Induction of an IgM antibody response b. Induction of class switching to IgA or IgG c. Affinity maturation d. All of the above e. None of the above 6. A single B lymphocyte residing in a lymph node germinal center can simultaneously express antibodies with different specificities? a. True b. False 7. A single B lymphocyte residing in a lymph node germinal center can simultaneously express antibody with more than one isotype (class)? a. True b. False 8. Relative to the process of affinity maturation of antigen specific lymphocyte receptors, where would you expect this to occur? a. Germinal centers of lymph nodes b. Thymus c. Blood d. All of the above e. None of the above 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
9. Which of the following cell types are considered to be phagocytes (capable of phagocytosis)? a. Lymphocytes b. Red blood cells c. Neutrophils d. Natural killer cells e. None of the above 10. Which of the following are true of naïve B lymphocytes that bind a T-dependent antigen via their surface Ig? a. Will proliferate immediately in the absence of any additional receptor ligand interactions. b. Will proliferate following a 2 nd signal transduction event mediated by CD2 binding LFA-3 c. Will proliferate following a 2 nd signal transduction event mediated by CD40 binding CD40L d. Will undergo necrosis even in the presence of multiple signaling e. None of the above 11. Which of the following receptor-ligand interactions would you expect to develop between an activated T H lymphocyte and an activated B lymphocyte
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/16/2008 for the course PMI 126 taught by Professor Stott,jeffrey during the Winter '08 term at UC Davis.

Page1 / 6

3RD MIDTERM KEY 2007 - VM PMI 126 1 3RD MIDTERM EXAMINATION WINTER 2007 Where in the body would you expect to find developing B lymphocytes a Blood

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online