Sources of Drugs

Question 1

Oldest source of drugs used empirically

leaves, seeds, flowers, roots, bark, etc.

Answer 1

NATURAL

Question 2

Different Sources of Drugs

Answer 2

Natural
Semi-Synthetic
Synthetic

Question 3

Types of Natural Drugs

Answer 3

Plants
Animals
Minerals

Question 4

Metals, metalloids, non-metal substances and their compounds

Answer 4

Minerals

Question 5

When the nucleus of drug obtained from natural source is retained but the chemical structure is altered

Answer 5

Semi-Synthetic

Question 6

Done in pharmaceutical laboratory

Organic or inorganic or combination of both compounds

Answer 6

Synthetic

Question 7

Involves cleavage of DNA by enzyme restriction endonucleases

Answer 7

Recombinant DNA technology

Question 8

Problems of Plants used as drugs.

Answer 8

Identification of plant
Climatic and social conditions of area
Season of collection
Condition of storage
Standardization of active principle
Purity of active ingredient
Maintenance of supply line
Active principle is synthesized after detection

Question 9

Types of drugs under plants

Answer 9

Leaves
Flowers
Fruits
Roots
Seeds
Bark

Question 10

VARIOUS FORMS OF PLANT DRUG

Answer 10

Extract, infusions, decoction, powders, etc.

Chemicals (alkaloids, glycosides, oil, resins, tannins, gums etc.) isolated from different forms are used for humans and animals

Question 11

Examples of Minerals

Answer 11

iron, calcium, magnesium, aluminum, sodium, potassium, sulphur, lithium

Question 12

Examples of Semi-Synthetic Drugs

Answer 12

6-aminopencillanic acid (fungus), semi-synthetic human insulin (pork insulin)

Question 13

Examples of Synthetic Drugs

Answer 13

chloroform, ether, nitrous oxide, chloral hydrate

Question 14

Examples of Recombinant DNA

Answer 14

Human insulin, human proinsulin gene to form insulin

Growth hormone, tissue plasminogen activator, vaccines, interferon, erythropoitins, G-colony stimulating factor