ANSWERS (VERIFIED ANSWERS) ALREADY GRADED A+
Which of the following is true in regard to antigen-antibody
interactions? Ans✓✓✓Antibodies can only respond to the exact antigen
they were made for
The arrows are pointing to which cells? Ans✓✓✓Mast cells
The arrow is pointing to which cell? Ans✓✓✓plasma cell
Which of the following is correct when a lymph node responds to an
antigen? Ans✓✓✓B lymphocytes proliferate in the germinal centers,
move out of the nodule, differentiate into plasma cells which will then
make antibodies.
Which of the following best describes an antigen and the immune
system's response? Ans✓✓✓A molecular structure present on cells, and
antibodies made to this antigen will be specific.
Which image of the lymph node represents one that is responding to a
vaccine? Ans✓✓✓A
Which of following are part of the innate immune system?
all of the above
, Skin & pH
Mucosa & Apical modifications like cilia
none Ans✓✓✓all of the above
Which cell is indicated by the arrows below? Ans✓✓✓epithelial
reticular cell
Which of the following is FALSE about the thymus?
it is avascular
it is lobulated
it is the site of maturation into CD4 or CD8 T cells
it has consistent structure across species Ans✓✓✓it is avascular
Which of the following is true about the cells in the thymus cortex?
thymocytes are very densely packed