Quiz about APES Unit 8

Question 1

Liver disease that develops due to long-time use of alcohol and drugs would be an example of a(n)

Accepted Answer

chronic effect

Answer

synergistic effect

Answer

acute effect

Answer

additive effect

Answer

cumulative effect

Question 2

The reduction in coal burning to generate electricity would most likely have the biggest impact on reducing which of the following toxins?

Accepted Answer

Mercury

Answer

Phthalates

Answer

Vinyl chloride

Answer

Benzene

Answer

Radon

Question 3

Which statement best illustrates limitations to determining the toxicities of environmental chemicals?

Accepted Answer

Humans are not exposed to just one chemical; they are exposed to a mixture of chemicals that may produce synergistic effects.

Answer

It is too expensive to test toxins that could be harmful to humans.

Answer

The wide genetic variability of humans limits scientists' ability to determine toxicity trends.

Answer

Recent legislation has limited the amount of animal testing that can take place.

Answer

It is difficult to determine what types of chemicals humans are exposed to.

Question 4

Which of the following is used as insulation and is known to cause lung cancer?

Accepted Answer

Asbestos

Answer

Sulfur dioxide

Answer

Formaldehyde

Answer

Fiberglass

Answer

Plywood

Question 5

Much of the radiation emitted by the earth is captured and trapped in the

Accepted Answer

troposphere

Answer

stratosphere

Answer

lithosphere

Answer

asthenosphere

Answer

mesosphere

Question 6

A ship carrying gasoline runs into shore and spills large amount of gasoline.

Accepted Answer

Point

Answer

Non-Point

Question 7

A farmer stores containers of pesticides in the barn and the containers leak

Accepted Answer

Point

Answer

Non-Point

Question 8

Acid Rain

Accepted Answer

Non-Point

Answer

Point

Question 9

What is the meaning of the word "anoxic"

Accepted Answer

no oxygen

Answer

low oxygen

Answer

high oxygen

Answer

above average oxygen

Question 10

Which of the following adds DO to a body of water? (Select ALL that apply)

Accepted Answer

increasing aeration

Accepted Answer

decreasing temperature

Answer

increasing temperature

Answer

decreasing aeration

Question 11

How does photosynthesis by aquatic plants impact dissolved oxygen levels in the water?

Accepted Answer

the plants give off dissolved oxygen with photosynthesis and increase DO levels

Answer

the plants bring in dissolved oxygen with photosynthesis and reduce DO levels

Answer

the plants photosynthesis does not affect DO levels

Answer

photosynthesis increases the temperatures with decrease DO levels

Question 12

How can oxygen be removed from the water?

Accepted Answer

All of the above

Answer

Aquatic animals breathing during the day and night

Answer

Bacteria decomposing dead plants and animals and using dissolved   oxygen to do this

Answer

When temperature increases

Question 13

An excess of which of the following would most likely be associated with the formation of a dead zone?

Accepted Answer

Nitrogen

Answer

Carbon

Answer

Oxygen

Answer

Iron

Question 14

What does DO stand for?

Accepted Answer

Dissolved oxygen

Answer

Dissolved osmium

Answer

Dissolved ozone

Question 15

This term refers to an ecological imbalance caused by excess nutrients

Accepted Answer

Eutrophication

Answer

Nitrification

Answer

Decomposition

Answer

Photosynthesis

Question 16

The amount of oxygen a quantity of water uses over a period of time at specific temperatures.

Accepted Answer

Biological Oxygen Demand (BOD)

Answer

Dead zone

Answer

Maximum Contaminant Level (MCL)

Question 17

What is it called when coral loses its color?

Accepted Answer

bleaching

Answer

white out

Answer

colorization

Question 18

How are dead zones created?

Accepted Answer

Algal blooms remove O₂ from reefs

Answer

Algal blooms remove CO₂ from reefs

Answer

oil spills

Answer

over-fished reefs

Question 19

Which organism in the food web would

contain the highest concentration of chemical pollutants?

Accepted Answer

tertiary consumers

Answer

producers

Answer

primary consumers

Answer

secondary consumers

Question 20

Which type of tissue that is found in greater amounts in

top predators accounts most for the accumulation of chemical

toxins?

Accepted Answer

fat tissue

Answer

nervous tissue

Answer

muscle tissue

Question 21

Persistent organic pollutants (POPs)...

Accepted Answer

Accumulate in organisms over time & remain in the ecosystem

Answer

Break down easily

Answer

Do not persist in the environment

Answer

Will degrade over time naturally

Question 22

These are lakes in mountain regions with clear water and few nutrients.

Accepted Answer

oligotrophic

Answer

estuarine

Answer

eutrophic

Answer

marine

Question 23

These are lakes in lowland areas with green water from phytoplankton and rich in nutrients.

Accepted Answer

eutrophic

Answer

estuarine

Answer

oligotrophic

Answer

marine

Question 24

Which of the following are NOT examples of Endocrine Disruptors?

Accepted Answer

Nitrogen

Answer

BPA

Answer

PCBs

Answer

DDT

Question 25

Which of the following best describes an Endocrine Disruptor?

Accepted Answer

A chemical that disrupts the growth and development of organisms

Answer

A chemical that disrupts the digestion of organisms

Answer

A chemical that disrupts the blow flow of an organism

Answer

A chemical that disrupts the bone structure of an organism

Question 26

True or False: Humans are completely immune from Endocrine Disruptors.

Accepted Answer

False

Answer

True

Question 27

Water that has been used by humans, but doesn't contain sanitary waste is called ________________.

Accepted Answer

gray water

Answer

septic water

Answer

potable water

Answer

none of these

Question 28

"Turbidity" is the measure of a body of water's ____________________________.

Accepted Answer

cloudiness

Answer

eutrophication

Answer

temperature change

Answer

flocculation

Question 29

What is the first step in the water treatment process?

Accepted Answer

filtration

Answer

coagulation

Answer

flocs

Answer

concentation

Question 30

During secondary treatment in the aeration tanks, what is working on the sewage waste?

Accepted Answer

micro-organisms

Answer

humans

Answer

air titration

Answer

oxidation/reduction

Question 31

What happens after second filtration?

Accepted Answer

chlorination

Answer

coagulation

Answer

first filtration

Answer

flocs

Question 32

What are two things that water treatment plants need to do?

Accepted Answer

Clean and disinfect the water

Answer

Boil and evaporate the water

Answer

Remove the animals and plants

Answer

Add chemicals and remove pesticides

Question 33

Bacteria in landfills perform anaerobic respiration as they decompose materials very slowly. This process creates

Accepted Answer

methane

Answer

leachate

Answer

CO2

Answer

oxygen

Question 34

Which soil is best to have under a landfill?

Accepted Answer

clay

Answer

sand

Answer

silt

Answer

loam

Question 35

Lethal dose (LD50) values are determined by the amount of a substance that:

Accepted Answer

kills at least 50% of the test population exposed to the substance

Answer

kills at least 50 individuals of the test population exposed to the substance

Answer

kills a test population when given at least 50 ml of the substance

Answer

kills a test population when given at least 50g of the substance

Question 36

Toxicity is determined by

Accepted Answer

chemical form of the substance

Accepted Answer

how it enters the body

Accepted Answer

body weight of the victim

Accepted Answer

dosage

Question 37

In what units are Lethal Dose50 (LD50) expressed?

Accepted Answer

mg/kg

Answer

oz/lb

Answer

mg/lb

Answer

oz/kg

Question 38

The LD50 for Vitamin A is 2000mg/kg, how many chewable vitamin tablets would a 10kg child have to consume to reach the LD50 if each tablet contains 1mg of Vitamin A

Accepted Answer

20000 tablets

Answer

2000 tablets

Answer

1000 tablets

Answer

10000 tablets

Question 39

Something, like PCBs, that causes cancer is called a

Accepted Answer

carcinogen

Answer

mutagen

Answer

pathogen

Answer

teratogen

Question 40

Something, like thalidomide, that causes malformed embryos, is called a

Accepted Answer

teratogen

Answer

mutagen

Answer

pathogen

Answer

carcinogen

Question 41

What is not true about heavy metals?

Accepted Answer

They can cause mutations to your DNA

Answer

They can leach into groundwater

Answer

They can be found in e-waste

Answer

They are potent neurotoxins

Question 42

Which type of pollutant does not require direct contact

Accepted Answer

Radiation

Answer

Heavy Metals

Answer

POPs

Answer

Acids

Question 43

What is the LD50 for Toxin B?

Accepted Answer

25 mg

Answer

10 mg

Answer

13 mg

Answer

50 mg

Question 44

Which pathogen is non-living?

Accepted Answer

Virus

Answer

Bacteria

Answer

Fungi

Answer

Parasite/Protist

Answer

They are all alive

Question 45

Which pathogen reproduces using binary fission (Asexual Reproduction)?

Accepted Answer

Bacteria

Answer

Virus

Answer

Fungi

Answer

Parasite/Protist

Question 46

Ticks are an example of this way of transmitting (spreading) disease

Accepted Answer

Vector

Answer

Air-borne

Answer

Touching a surface

Answer

Contaminated food or water

Question 47

Viruses reproduce themselves by...

Accepted Answer

making host cells reproduce copies of the viruses

Answer

dividing into two identical copies

Answer

causing cells to transform into viruses

Answer

planting eggs inside host organisms

Question 48

Vaccines work by...

Accepted Answer

helping antibodies build immunity against a specific pathogen

Answer

killing pathogens that are already infecting a host

Answer

causing the body to expel pathogens faster than normal

Answer

preventing a specific pathogen from entering the body

Question 49

How do people get infected dysentery?

Accepted Answer

They have to come in contact with fecal matter

Answer

They play outside with no coat

Answer

They didn't eat enough garlic

Answer

Eating lunch less than one hour after swimming

Question 50

Which of the following could someone experience if they put insulation in houses?

Accepted Answer

Mesothelioma

Answer

Hormone disruption

Answer

Decreased sperm count

Answer

Liver cancer

APES Unit 8

50 questions

Liver disease that develops due to long-time use of alcohol and drugs would be an example of a(n)

The reduction in coal burning to generate electricity would most likely have the biggest impact on reducing which of the following toxins?

Which statement best illustrates limitations to determining the toxicities of environmental chemicals?

Which of the following is used as insulation and is known to cause lung cancer?

Much of the radiation emitted by the earth is captured and trapped in the

A ship carrying gasoline runs into shore and spills large amount of gasoline.

A farmer stores containers of pesticides in the barn and the containers leak

Acid Rain

What is the meaning of the word "anoxic"

Which of the following adds DO to a body of water? (Select ALL that apply)

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