click below
click below
Normal Size Small Size show me how
SCI220
| Question | Answer |
|---|---|
| Which of these substances operate(s) immune mechanisms? | all of the above |
| Which antibody is synthesized by immature B cells and then inserted into their plasma membranes? | immunoglobulin M |
| Which organ has several functions, including defense, hematopoiesis, red blood cell and platelet destruction, and blood reservoir? | spleen |
| During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
| The lymphatic system serves various functions in the body. The two most important functions of this system are | fluid balance and immunity. |
| The primary organ of the lymphatic system is the | thymus |
| Which protein interferes with the ability of viruses to cause disease? | interferon |
| Lymphatics in the villi of the small intestines are called | lacteals. |
| Bean-shaped structures located at certain intervals along the lymphatic system are | lymph nodes. |
| _____ refers to a phenomenon in which the genetic characteristics common to a particular kind of organism provide defense against certain pathogens. | Species resistance |