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Week 6-12
Week 13 Assignment
| Question | Answer |
|---|---|
| Neurons in the CNS have less chance of regenerating for all of the following reasons except: | microglia lay down scar tissue. |
| The hormone produced by the heart | increases the excretion of sodium in the urine. |
| Fluid filling the posterior segment of the eye. | vitreous humor |
| The functions of the lymph nodes are | defense and hematopoiesis. |
| Bean-shaped structures located at certain intervals along the lymphatic system are | lymph nodes. |
| Recognition of antigens by antibodies occurs when an | antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site. |
| Lymphatics in the villi of the small intestines are called | lacteals. |
| Each cortical nodule is composed of packed lymphocytes that surround a less dense area called a | germinal center. |
| The movement of phagocytes from blood vessels to an inflammation site is called | diapedesis. |
| During their residence in the thymus, pre-T cells develop into _____, cells that proliferate as rapidly as any in the body. | thymocytes |
| In the right lung, the superior and middle lobes are separated by the: | horizontal fissure. |
| The approximate length of the trachea, or windpipe, is _____ cm. | 11 |
| Which of the following is not a function of the respiratory system? | Distributes oxygen to cells |
| The structures that deflect air as it passes through the nose are called: | conchae. |
| Which salivary gland produces only a mucous type of saliva? | sublingual |
| The structure that permits material to pass from the ileum into the large intestine is the | ileocecal valve. |
| All of the following are classified as accessory organs of the digestive system except the: | mouth. |