8. Some patients with severe emphysema have constant high levels of Co, because of inadequate ventilation. The central nervous system breathing center in these patients
becomes insensitive to CO, and more dependent on the level of O2, which is low. These
patients are said to have "oxygen-dependent respiratory drive". What might happen if you
give such a person high levels of supplemental O2?

In multiple sclerosis, the immune system destroys the substance that coats and protects nerve fibers in the brain and spinal cord. this causes inflammation and injury to the nerves, and the axons don't conduct impulses as well.

Wheeled coach ambulance uses an interactive computer program to develop and document its products. what is it called?

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants