microorganisms and infection CONT. 6

Question 1

Parasitic benefit by

Answer 1

establishing a symbiosis w/another species

Question 2

parasitic infections range from

Answer 2

unicellular protozoa to large worms.

Question 3

Parasitic & protozoal
infections rarely transmitted from

Answer 3

human to human

Question 4

parasitic and protozoal infections are mainly spread by

Answer 4

vectors

Question 5

examples of parasitic infections spread by vectors

Answer 5

malaria by mosquito bites, trypanosomes by
the tetse fly, & leishmania by sand fleas.

Question 6

other parasitic and protozoal infections are found in

Answer 6

contaminated water & food include G. lamblia.

Question 7

parasitic and protozoal infection will result in what type of WBCs being recruited/produced in response to defend

Answer 7

eosinophils

Question 8

what is the most common parasitic infection worldwide

Answer 8

malaria

Question 9

malaria is transmitted through

Answer 9

bite of an infected Anopheles mosquito

Question 10

how does malaria infect the body

Answer 10

Parasite enters the bloodstream, survives in the liver, and invades the parenchymal cells.

After several rounds of division, the liver cell ruptures, and thousands of parasites enter the blood, infecting the red blood cells