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E BIO - Chapter 3 Post-Quiz
Terms in this set (19)
The ability to distinguish between reliable and unreliable sources of information is called __________.
Many blogs, websites, and some news shows that provide additional commentary on reports from the popular press are considered ________.
Which source is the most likely to perpetuate errors that have previously appeared?
Consumer groups called for a ban on BPA, suggesting that financial interests from companies who profit from BPA-made products cause them to suppress data that might show BPA to be harmful. Which common logical fallacy is at work here?
Ad Hominem Attack
Which common logical fallacy draws a broad conclusion based on too little evidence?
The claims that BPA must be completely avoided or is totally safe for everyone is which type of common logical fallacy?
Why is knowledge about the persistence of a chemical important when considering its toxicity?
Persistence measures how long a chemical remains in its present state in an area and therefore how long it might be a health concern.
Why are water soluble chemicals sometimes safer for humans but not for the environment?
Humans can excrete water soluble chemicals in their urine but environments are "stuck" with them.
What is the difference between bioaccumulation and biomagnification?
Bioaccumulation is the buildup of substances within one organism while biomagnification involves these substances moving up the food chain as one organism eats another.
The time it takes for a substance to decay in the environment is called ________.
Chemicals that can pass easily through cell membranes are called ________.
In vivo data from male mice with BPA levels of 2 parts per billion (ppb) indicates that their prostates are 20% larger than male mice without BPA exposure. What is the best conclusion from this experiment?
BPA levels of 2 ppb can cause mice prostate glands to enlarge.
Which of the following describes chemicals that work together in the body to produce toxic effects greater than the sum of their individual effects would predict?
What is the rule of thumb that calls for leaving a safety margin when the data about a particular substance's potential for harm are uncertain and where the substance may cause unexpected or unpredictable effects?
Which of the following LD50 scores (dose in ppm) indicates the highest level of toxicity?
A. LD50 = 19
B. LD50 = 250
C. LD50 = 96
D. LD50 = 8
E. LD50 = 550
D. LD50 = 8
How does BPA cause its endocrine disruptor effects?
It binds to the estrogen receptors on the cells which will cause the same results that actual estrogen would.
Which endocrine organ secretes the hormone that BPA mimics?
How do steroid hormones and their mimics do their work?
They enter the membrane, bind to a receptor, and activate a gene causing the production of a protein.
Why is it trickier to determine LD50 and to draw dose-response curves for endocrine disruptors?
They may be more dangerous at low doses than at high doses.
THIS SET IS OFTEN IN FOLDERS WITH...
E BIO - Chapter 2 Post-Quiz
E BIO - Chapter 7 Post Quiz
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E BIO - Chapter 2 Pre-Quiz
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