CPL250 BEAKER CLINICAL PATHOLOGY
ADMINISTRATION EXAM 2025/2026
UPDATED EXAM WITH VERIFIED
SOLUTIONS.
Which has a higher albedo?
A.) Water
B.) Ice
C.) Grass
D.) Hardened lava - correct answer -B.) Ice
What causes ocean acidification?
A.) Acid rain that has not been cleansed
B.) Point-source pollutants such as waste-water pipes
C.) CO2 diffusing from the atmosphere into the ocean
D.) Leaching from ancient ship wrecks - correct answer -C.) CO2
diffusing from the atmosphere into the ocean
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Why are Bromine and Chlorine a concern in the stratosphere?
A.) They are carcinogens
B.) They undergo chemical reactions that destroy ozone
C.) They cause hypoxia
D.) They interfere with convection - correct answer -B.) They
undergo chemical reactions that destroy ozone
What is the oxygen concentration of the water in hypoxic ("dead")
zone?
A.) 100 ppm (parts per million)
B.) 50 ppm
C.)10 ppm
D.) Less than 2 ppm - correct answer -D.) Less than 2 ppm
Why do we care what the oxygen concentration of water in the
hypoxic zone is?
A.) The CAA forbids it
B.) Scientists are crybabies
C.) Fish and other animals in the water need oxygen to live
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D.) Climate change is an important issue - correct answer -C.)
Fish and other animals in the water need oxygen to live
One reason it is hard to solve the dead zone issue is because the
pollution comes from non-point sources. What is a non-point
source?
A.) Something like a pipe where wastewater from a factory is
discharged
B.) Something like a farm where fertilizer washes off in the rain
C.) A source that is originally not polluting, but becomes polluting
D.) A source that is originally polluting, but becomes non-polluting
- correct answer -B.) Something like a farm where fertilizer
washes off in the rain
The EPA's limit on Arsenic in drinking water is 50 mg/L. Why
might this be too high?
A.) It was determined for plants instead of people
B.) The levels were calculated for people 5'8" and 140 lbs
C.) The levels were calculated for infants
D.) Arsenic reacts with hydroxyl radicals forming more toxic
compounds - correct answer -B.) The levels were calculated for
people 5'8" and 140 lbs
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What is the best option for reducing MSW?
A.) Burning it
B.) Waste-to-energy technology
C.) Reduction at the source
D.) Shipping it to China - correct answer -C.) Reduction at the
source
Something that causes birth defects when pregnant women are
exposed to it is a(n)
A.) Carcinogen
B.) Mutagen
C.) Teratogen
D.) Ambien - correct answer -C.) Teratogen
It's fine to flush unwanted medication because it can be removed
in waste water treatment
A.) True