1|Page
TCU (2026) COMPLETE QUESTIONS With 100%
Contemporary Issues in Biology Exam 3
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
pg. 1
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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
pg. 2
, 3|Page
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)
A protozoan is a single celled organism
Order of Malarial parasite life cycle ......ANSWER......transmitted by bug
to human-->enters blood steam and goes into liver where red blood
cells multiply-->eggs reproduce and destroy cells
What is Chloroquine and what happened with its use?
......ANSWER......It is a medication to treat/prevent malaria; parasites
became resistant
New treatment of malaria and where it comes from?
......ANSWER......Pyrethrin - comes from chrysanthemums. Responsible
for saving more than a million lives
pg. 3
TCU (2026) COMPLETE QUESTIONS With 100%
Contemporary Issues in Biology Exam 3
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
pg. 1
,2|Page
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
pg. 2
, 3|Page
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)
A protozoan is a single celled organism
Order of Malarial parasite life cycle ......ANSWER......transmitted by bug
to human-->enters blood steam and goes into liver where red blood
cells multiply-->eggs reproduce and destroy cells
What is Chloroquine and what happened with its use?
......ANSWER......It is a medication to treat/prevent malaria; parasites
became resistant
New treatment of malaria and where it comes from?
......ANSWER......Pyrethrin - comes from chrysanthemums. Responsible
for saving more than a million lives
pg. 3
