Bios276

Chapter 1: Page 19, questions 3, 4, and 5

3) Describe the three medical uses for drugs and give examples.

1. Preventive use: are used to prevent the occurrence of disease or conditions the administration of preventive drugs is known as prophylaxis.

Examples:

* Drugs taken prior to traveling to prevent motion sickness

* Contraceptive drugs taken to prevent pregnancy

* Vaccinations given to immunize children or adults against certain diseases such as polio, diphtheria, or influenza

2. Diagnostic Use: are used by themselves or in conjunction with radiologic procedures and other types of medical tests provide evidence of a disease process.

Examples:

* Radiopaque contrast dyes used during x-ray procedures

* Drugs that mimic the cardiac effect of exercise in patients who cannot undergo regular cardiac exercise stress testing.

3. Therapeutic use: The majority of drugs are used to control, improve or cure symptoms, signs, conditions or diseases of physiologic or psychological nature.

Examples:

* Antibiotic drugs to kill bacteria and cure an infection

* Analgesic drugs to control the pain and inflammation of arthritis

* Insulin to treat diabetes

4) Give the meaning of and describe the linguistic origin of the symbol Rx.

5) Give the name of a drug in current usage that originated from the natural sources listed below.

a. foxglove plant

________________

b. sheeps’ wool

________________

c. rose hips

________________

d. poppy

________________

e. mold

________________

f. periwinkle ________________

Chapter 2: Pages 33-34, questions 4, 7, and 8

4) Describe four ways in which a new drug can be discovered or created

7.What types of drug characteristics/effects are studied during each of the three phases of human testing of a drug prior to FDA approval?

8.How do computers assist in the designing of new drugs?

Chapter 3: Page 44, questions 1, 4, 7, and 10

1) What is the reason for manufacturing a drug as an enteric-coated tablet?

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