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Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692

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BuyFindarrow_forward

Chemistry In Focus

7th Edition
Tro + 1 other
Publisher: Cengage Learning,
ISBN: 9781337399692
Chapter 17, Problem 13E
Textbook Problem
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Why can antibiotics lose their effectiveness over time?

Interpretation Introduction

Interpretation:

The reason behind antibiotics losing their effectiveness over time is to be explained.

Concept Introduction:

Most of the diseases are caused by bacteria, microorganisms that reproduce themselves in our body.

Antibiotics are the drugs that fight the diseases caused by bacteria.

Explanation of Solution

The bacteria that initially responded to the antibiotics, built resistance, overt...

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Chapter 17 Solutions

Chemistry In Focus
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Ch. 17 - Explain how antibiotics were discovered.Ch. 17 - How do penicillins and cephalosporins kill...Ch. 17 - How do tetracyclines kill bacteria?Ch. 17 - Why can antibiotics lose their effectiveness over...Ch. 17 - Explain the difference between bacteria and...Ch. 17 - What is a retrovirus?Ch. 17 - How do nucleoside/nucleotide analogs kill viruses?Ch. 17 - Explain the role of AZT in the battle against...Ch. 17 - How do protease inhibitors work? What is their...Ch. 17 - Why is the multidrug approach important in...Ch. 17 - What is a hormone?Ch. 17 - What is the role of testosterone in males?Ch. 17 - What is the role of estrogen and progesterone in...Ch. 17 - How does the birth control pill work? What are its...Ch. 17 - What is the mini pill? How is it different from...Ch. 17 - What are steroids? Give three examples of steroids...Ch. 17 - What do cortisone and prednisone do? What are the...Ch. 17 - What do the anabolic steroids do? What are the...Ch. 17 - What is the difference between cancerous cells and...Ch. 17 - What are the side effects of chemotherapy?Ch. 17 - How do cancer-fighting chemicals target cancerous...Ch. 17 - Explain how each of the following cancer drugs...Ch. 17 - What is a depressant? What are the effects of...Ch. 17 - Where and how fast is ethanol metabolized?Ch. 17 - What are the risks associated with heavy drinking?Ch. 17 - What are the symptoms of alcoholism?Ch. 17 - How do barbiturates and benzodiazepines work? Give...Ch. 17 - List some common depressant inhalants used for...Ch. 17 - What are the dangers associated with...Ch. 17 - What are the side effects of inhaling the vapors...Ch. 17 - What is a narcotic? Give some examples.Ch. 17 - How do narcotics work?Ch. 17 - Where does morphine come from, and what are its...Ch. 17 - What are the effects of codeine and heroin? How do...Ch. 17 - What are agonists and antagonists?Ch. 17 - How do drugs like naltrexone and methadone help a...Ch. 17 - What are endorphins?Ch. 17 - What is a stimulant? Give some examples.Ch. 17 - What are the effects of cocaine and amphetamine?...Ch. 17 - How does caffeine produce its stimulant effect?Ch. 17 - What are the side effects of caffeine?Ch. 17 - How does nicotine produce its stimulant effect?Ch. 17 - What are the side effects of smoking?Ch. 17 - What is a hallucinogen? Give some examples.Ch. 17 - How do hallucinogens produce their...Ch. 17 - Who discovered LSD? How?Ch. 17 - What are the primary effects of LSD and of...Ch. 17 - What are the side effects of LSD?Ch. 17 - What is the active ingredient in marijuana?Ch. 17 - What are the primary effects of marijuana? What...Ch. 17 - What qualifies a depressed state as one requiring...Ch. 17 - How do Prozac and Zoloft produce their...Ch. 17 - Draw the chemical structure of aspirin, and...Ch. 17 - Draw the chemical structure of ibuprofen, and...Ch. 17 - Childrens Tylenol is a solution containing 32...Ch. 17 - Childrens ibuprofen is a solution containing 20...Ch. 17 - A childs dose of the antibiotic Amoxicillin is 25...Ch. 17 - A childs dose of the antibiotic Azithromycin is 25...Ch. 17 - The toxicity of many drugs is quantified by a...Ch. 17 - The LD50 (see problem 68) of cocaine in rats is...Ch. 17 - The growth in our knowledge of the chemical origin...Ch. 17 - Our senses produce a chemically mediated signal...Ch. 17 - A continuing debate in our society is over the...Ch. 17 - Although our society has condoned the recreational...Ch. 17 - A controversial book called Listening to Prozac...Ch. 17 - The life expectancy in the United States has risen...Ch. 17 - The cost of health care in the United States...Ch. 17 - Write down the last five prescription or over-the-...Ch. 17 - Survey 30 classmates, asking them to recall the...

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