Chapter 16 Online Study Guide

14 Questions | By AndrewBrinker | Last updated: Mar 20, 2022 | Total Attempts: 221

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You have 45 minutes and 1 attempt (14 questions - 1 essay) Do not give or receive answers! READ THE CHAPTER BEFORE YOU try the study guide!

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1.

Read the Spotlight on page 406. Answer both cricitcal thinking questions. Each answer should be SEVERAL sentences long.
2.

Approximately how many Americans are killed each day due to cigarette smoking?
- A.
  
  4,000
- B.
  
  1,180
- C.
  
  27,400
- D.
  
  478
3.

From section 16-1. The bodies of most human beings contain small amounts of about _____ synthetic organic chemicals - whose health effets are mostly unkown - that did not exist in 1920. (the actuall number is probably doubled since your textbook was pulbished)
- A.
  
  50
- B.
  
  100
- C.
  
  500
- D.
  
  250
4.

When you go to Lake Worth in the Northwest corner of Fort Worth there are signs posted that say it is unsafe to eat fish caught in the lake due to PCB's. In the section on Toxicology it mentions where PCB's come from. Which of the following is the main source of PCBs?
- A.
  
  Electrical transormers
- B.
  
  Refrigerators
- C.
  
  Washing machines
- D.
  
  Cell phones
5.

Legally, a poison is a chemical that has an LD50 of ___ milligrams or less per kilogram of body weight.
- A.
  
  5
- B.
  
  10
- C.
  
  50
- D.
  
  100
- E.
  
  25
6.

Look at Table 16-1. Notice that nicotine is classified as extremely toxic. Study this table for a few seconds and then choose which of the following has the lowest LD50.
- A.
  
  Sulfuric acid
- B.
  
  Lead salts
- C.
  
  DDT
- D.
  
  Botulism toxin
- E.
  
  Glycerin
7.

Look at section 16-3. After reading you will see there are several types of dangerous chemicals including mutagens, teratogens and carcinogens. Which of the following would be a teratogen?
- A.
  
  Cigarette smoke
- B.
  
  Hemophilia
- C.
  
  Cystic fibrosis
- D.
  
  Lead
- E.
  
  Mercury
- F.
  
  Both lead and mercury are teratogens
8.

Carcinogens promote the growth of a malignant tumor. Many ancerous tumors spread by _______ when malignant cells break off from tumores and travel in body fluids to other parts of the body. (spelling counts!)
9.

Look at the paragraph on neurotoxins. Which of the following is a neurotoxin?
- A.
  
  Teratogen
- B.
  
  Metastasis
- C.
  
  Nicotine
- D.
  
  Lead
- E.
  
  Endocrine
10.

In Section 16-3 it talks about how little we really know about the harmful effects of chemicals. Currently, fedaral and state governments do not regulate about _____% of the commercially used chemicals in the United States. These are the chemicals that end up in our streams, lakes and rivers (which provide us with drinking water!).
- A.
  
  75
- B.
  
  99.5
- C.
  
  80
- D.
  
  50
11.

IN section 16-4 it mentions the world's seven deadliest infectious dieseases. #7 is
- A.
  
  Malaria
- B.
  
  Measles
- C.
  
  Hepatities B
- D.
  
  Tuberculosis
12.

Now that you are an expert on viral and bacterial diseases (after reading 16-4). Which of the following is not a viral disease?
- A.
  
  Ebola
- B.
  
  Rabies
- C.
  
  HIV
- D.
  
  Cholera
13.

Approximately how many people die each year from the flu (in the United States)?
- A.
  
  20,000
- B.
  
  1 million
- C.
  
  500,000
- D.
  
  Less than 10,000
14.

After reading the section on HIV/AIDs. The WHO estimates that between 2000 and 2010 AIDS would kill as many people as all the ____ in the 20th century combined
- A.
  
  Diseases
- B.
  
  Car accidents
- C.
  
  Natural disasters
- D.
  
  Wars