An organ such as a kidney used for transplant needs to be tested for compatiblity with the person who is to recieve the organ. if this is not done, the a) donated organ might attack body b) immune system might attack donated organ c) immune system might attack its own body cells d) donated organ might attack the immune system .

Read the following scenario to answer the following question. in some zoos, rare crosses between a male lion and a female tiger have produced hybrid offspring called "ligers." male ligers are sterile but some female ligers are fertile. in the wild, lion and tiger ranges do not naturally overlap, making such a cross unlikely. furthermore, the solitary behavior of tigers and the social organizations of lions create behavioral differences. applying the biological species concept, the sterility of ligers reveals that a. lions are probably a subspecies of tigers b. tigers and lions are the same species c. a new species called "ligers" is forming d. tigers and lions are separate species

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

What is the problem in this article? what solution does the article propose?