Deck 8

Question 1

Aspergillus flavus

Answer 1

Produces alfatoxins – have hepatotoxic effect, causing necrotic damage to liver

Question 2

Phytomyces chartarum belong to

Answer 2

o Sporidesmium baceri – causes facial eczema
o Mycotoxins & photodynamic ? – produces sporidesmin

Question 3

Determination of paracetamol poisoning

Answer 3

Yellow stain on chromatographic plate

Question 4

Mode of penetration of insecticides

Answer 4

o Systemic insecticides – penetrate cellular fluids
o Per oral insecticides – through digestive tract
o Fumigate insecticides – through respiratory tracts
o Contact insecticides – through skin

Question 5

Fluorides inhibit

Answer 5

o Glycolysis enzymes
o Krebs cycle enzymes

Question 6

DDT nowadays

Answer 6

Is a forbidden insecticide

Question 7

Substance that irritate the CNS

Answer 7

Alkaloids – atropine (from plant Atropha belladona)

Question 8

Digitoxin is

Answer 8

Cordiotonic glycoside – used in treatment of congestive heart failure

Question 9

MCPB (methyl-chloro-phenoxy-butyric acid) – where does it belong to & it’s mechanism of action

Answer 9

o Herbicides of phenoxy fatty acid derivatives & crystalline substances with v. low solubility in water
o Damage to hormone regulation
o Inhibition of glycolysis
o Inhibited oxidative phosphate

Question 10

Glycosides division & effects

Answer 10

o Effect on heart
o Cyanide component
o Other glycosides