Contemporary Issues in Biology Exam 3 Sawey, TCU Exam Questions and Answers 100% Pass

Contemporary Issues in Biology Exam 3 Sawey, TCU Exam Questions and Answers 100% Pass Until malaria and AIDS, what was the most devastating plague? - Answer- The Black Death How did 17th century doctors treat the plague? - Answer- They inspected patients with pointers and would use spice-filled pomanders to fend it off. What feeds off on blood of mammals such as rats and birds, in which they spread the bacteria that causes plagues? - Answer- Fleas How do people normally get the plague? - Answer- From being bitten by a rodent flea that is carrying the bacterium or by handling infected animals. True or false: Modern antibiotics isn't effective against plague. - Answer- FALSE what feeds on human blood usually at night while the person sleeps? - Answer- bedbugs True or false:Only the adult stage of bedbugs feed on human blood. - Answer- FALSE What stage of the bed bug bites obtain blood? - Answer- larva and adults Its the most deadly diseases in human history.Caused by a parasite transmitted by female anopheles mosquitos. - Answer- Malaria True or false: adult female anopheles mosquitoes feed on blood for protein to make eggs. - Answer- TRUE What are some historic efforts to defeat Malaria? - Answer- -draining wetlands to reduce habitat -Control of mosquitoes using DDT Consequences of trying to cure malaria through hurting the mosquito population? - Answer- -We lost wetlands -DDT bioaccumulated and hurt birds -killed beneficial insects How many people are sick from malaria per year? How many people does it kill per year? - Answer- 219,000,000 per year Kills 600,000 per year, mostly children What age is malaria most common in? - Answer- under the age of 5 What part of the world does Malaria impact the most? - Answer- Africa What is the protozoan that causes malaria and destroys red blood cells? - Answer- plasmodium (4 diff. types)