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Across 4. Within the living body. 6. Single-celled microorganisms that usually have a rigid cell wall and a round, rod-like, or spiral shape. 7. An agent that kills fungi. 9. Inflammation of a vein associated with a thrombus formation (clot in the circulatory system). 11. Toxic to the kidneys. 12. To make free of pathogens or make them inactive. 13. Within an artificial environment. 16. An agent that inhibits bacterial growth, impedes replication of bacteria, or kills bacteria 17. An agent that cleanses; especially effective against oils. 18. An agent that kills microorganisms or suppresses the multiplication or growth. 19. An agent capable of killing spores. 20. The extent to which a drug causes the intended effects in a patient. 21. An agent that causes harm to the developing fetus.

Down 1. An agent produced by a microorganism or semisynthetically that has the ability to inhibit the growth of or kill microorganisms. 2. An agent that inhibits the growth of fungi. 3. An agent that inhibits the growth or reproduction of bacteria. 5. Rapid breathing. 8. Enzymes that reduce the effectiveness of certain antibiotics, _________-I is penicillinase; _________-II is cephalosporinase. 10. Toxic to the ears. 13. An iodine compound with a lower activity period that results from the combination of iodine and a carrier molecule that releases iodine over time. 14. An organism that is microscopic (e.g., Bacterium, protozoan, Rickettsia, virus, & fungi). 15. An agent with the capability to kill bacteria.