Lec 8: Meds From Stems, Leaves And Flowers

Question 1

Three types of meristematic tissue (regions of active cell division)

Answer 1

Apical meristem, vascular cambium, axillary buds

Question 2

Apical meristem

Answer 2

Forms tissues required to increase stem height (primary growth)

Question 3

Vascular cambium

Answer 3

Involved in increasing stem diameter in woody plants

Question 4

Axillary buds

Answer 4

Form leaves, branches, and flowers

Question 5

Tree Stems contain a

Answer 5

Lateral meristem called vascular cambium

Question 6

Lateral growth of a tree is due to

Answer 6

Vascular cambium

Question 7

Tree bark consists of

Answer 7

Outer bark and inner bark

Question 8

Outer bark is called

Answer 8

Periderm

Question 9

Inner bark is called

Answer 9

Secondary phloem

Question 10

Molecules with medicinal value found in

Answer 10

Inner bark

Question 11

Cork cells contain

Answer 11

Lignin, suberin, phenolics, terpenes

Question 12

Pacific yew tree treats

Answer 12

Cancer as it’s inner bark contains paclitaxel

Question 13

Pacific yew is poisonous in

Answer 13

Most parts but the arils due to taxine

Question 14

Taxine causes

Answer 14

Dizziness, and cardiac or respiratory failure

Question 15

Taxol prevents

Answer 15

Tumor cells from dividing

Question 16

Quinine is found within inner bark of

Answer 16

Cinchona tree

Question 17

Quinine is an

Answer 17

Alkaloid used to flavour tonic water as it is bitter

Question 18

Quinine relieves

Answer 18

muscle cramps and is antimalarial

Question 19

Malaria means

Answer 19

Bad air in Italian

Question 20

Maria is caused by

Answer 20

A parasite carried by a mosquitoe

Question 21

Malaria symptoms are produced as

Answer 21

Parasites invade red blood cells and release toxins that red blood cdsandcajse fever and chill

Question 22

Malaria infects

Answer 22

300 - 500 mill people per year

Question 23

Malaria kills

Answer 23

3 mill people each year ( most of which are children under the age of 5)

Question 24

Sweet wormwood

Answer 24

Source of antimalarial artemisinin

Question 25

Dandelion derived from

Answer 25

French expression for lions tooth

Question 26

Dandelion leaves used for

Answer 26

Jaundice and detoxification

And as a diuretic

Question 27

St John’s wort used for

Answer 27

Herbal medicine and antidepressant through elevating serotonin

Question 28

St John’s wort contains

Answer 28

A photo toxin harmful to livestock

Question 29

Effects of st John’s wort

Answer 29

• serotonin syndrome
• can decrease levels of prescribed meds in bloodstream
• some drugs are ineffective