Marine Biology Exam 3 Questions and Answers |Complete Solutions Graded A+|100% Correct
Our bodies minimize the effects of toxic compounds by all of the following accept
antagonistic reactions
In which of the following tissues is more likely to develop cancers? Skin, because there is a
high cellular reproduction rate to replace injured cells
The saying "the dose makes the poison" means that nearly anything can be toxic at some
level
The dose response curve shows that some exposure is necessary before most individuals
respond
LD50 is a dose of toxic chemicals that kill half of the population
Acute effects of toxins appear immediately after exposure
Chronic effects of a toxic response can last a long time or be permanent
As a society, we usually focus attention on health risks that are most well publicized and
frightening
Food security has to do with the ability of a population to obtain food on a day-to-day basis
_____ Percent of adults are overweight 64
Food policies of rich nations can exacerbate famine and hunger problems in poor nations
because the local farmers of the poor nations are forced out of business by the free cheap
food and the economy cannot stabilize properly
, Famines are most often serious when there is armed conflict and political oppresion
Obesity affects primarily wealthy, developed nations
People can suffer malnourishment if they consume large amounts of ____ instead of _____.
Fat and sugar; vitamins and protein
Anemia is a common disease resulting from a shortage of dietary Iron
Vitamin A deficiencies are associated with blindness
What are two common diseases that result from protein deficiences? Marasmus and
Kwashiokor
Three crops that humans rely on for the majority of nutrients and calories are wheat rice
and maize
Most humans rely on just a few of the world's animal and plant species for food because only a
few food types are what we are accustomed to eating
Which of the following does not describe the status of the world's wild fisheries? Fish
farming has allowed some fish to recover worldwide
If fishing demands continue at the current rate, by which year will the world's major fisheries
collapse? 2050
A drawback of aquaculture in net pens is _____. All of these are correct
Our bodies minimize the effects of toxic compounds by all of the following accept
antagonistic reactions
In which of the following tissues is more likely to develop cancers? Skin, because there is a
high cellular reproduction rate to replace injured cells
The saying "the dose makes the poison" means that nearly anything can be toxic at some
level
The dose response curve shows that some exposure is necessary before most individuals
respond
LD50 is a dose of toxic chemicals that kill half of the population
Acute effects of toxins appear immediately after exposure
Chronic effects of a toxic response can last a long time or be permanent
As a society, we usually focus attention on health risks that are most well publicized and
frightening
Food security has to do with the ability of a population to obtain food on a day-to-day basis
_____ Percent of adults are overweight 64
Food policies of rich nations can exacerbate famine and hunger problems in poor nations
because the local farmers of the poor nations are forced out of business by the free cheap
food and the economy cannot stabilize properly
, Famines are most often serious when there is armed conflict and political oppresion
Obesity affects primarily wealthy, developed nations
People can suffer malnourishment if they consume large amounts of ____ instead of _____.
Fat and sugar; vitamins and protein
Anemia is a common disease resulting from a shortage of dietary Iron
Vitamin A deficiencies are associated with blindness
What are two common diseases that result from protein deficiences? Marasmus and
Kwashiokor
Three crops that humans rely on for the majority of nutrients and calories are wheat rice
and maize
Most humans rely on just a few of the world's animal and plant species for food because only a
few food types are what we are accustomed to eating
Which of the following does not describe the status of the world's wild fisheries? Fish
farming has allowed some fish to recover worldwide
If fishing demands continue at the current rate, by which year will the world's major fisheries
collapse? 2050
A drawback of aquaculture in net pens is _____. All of these are correct
