Crude Drugs, Preparation And Its Evaluation

Question 1

Are vegetable or animal drug that contains natural substances

Answer 1

Crude drugs

Question 2

Crude drugs natural substances have undergone what process

Answer 2

Collection and drying

Question 3

They are used as medicine for human being and animals internally and externally

Answer 3

Crude drugs

Question 4

What is the importance of evaluation of crude drugs

Answer 4

To ensure identity of drugs and determine the quality and purity of drugs

Question 5

It refers to the identification of biological source of drug

Answer 5

Identity

Question 6

It refers to the quantity of active constituent present

Answer 6

Quality

Question 8

It refers to the extent of foreign organic materials present in crude drugs

Answer 8

Purity

Question 9

Main reasons of evaluation of crude drugs

Answer 9

•Biochemical variation
•Effect of treatment and storage
•Adulteration and substitution

Question 10

Five methods of evaluation of crude drugs

Answer 10

•organoleptic evaluation
•microscopical evaluation
•chemical evaluation
•physical evaluation
•biological evaluation

Question 11

Evaluation by means of organ of senses knowing the color odor taste size shape and special features like texture

Answer 11

Organoleptic evaluation

Question 12

It refers to the study of form of drugs

Answer 12

Morphology

Question 13

It refers to the study of description of form

Answer 13

Morphography

Question 14

Evaluation for identification of pure powdered drug

Answer 14

Microscopic evaluation

Question 15

It allows more detail examination of a drug and their identification by their known histological character

Answer 15

Microscopical evaluation

Question 16

It is used to confirm the structural detail of drugs from plant origin

Answer 16

Microscope

Question 17

Three types of microscopical evaluation methods

Answer 17

•Microscopic linear measurements
•determination of leaf constant
•quantitative microscope

Question 18

A method of microscopical evaluation which includes size of starch grains, length and width of fibers and trichomes

Answer 18

Linear measurements

Question 19

Two first scientists to investigate leave drugs for stomatal number and stomatal index

Answer 19

Timmerman and rowson

Question 20

Is the average number of stomata per square millimeter of epidermis of the leaf

Answer 20

Stomatal number

Question 21

Is the percentage which the numbers of stomach form to the total number of epidermal cells

Answer 21

Stomatal index