6

Question 1

Exposure to carbon monoxide (CO) causes formation of?

Answer 1

Carboxyhemoglobin

Question 2

Carbon monoxide?

Answer 2

Has about 300-times higher affinity to hemoglobin than oxygen

Question 3

The mechanism of action of cyanide is?

Answer 3

The inhibition of the enzyme cytochrome oxidase

Question 4

The mechanism of action for MCPA and chloridazone in animals is?

Answer 4

The inhibition of oxidative phosphorylation

Question 5

The most susceptible animals to phenols are?

Answer 5

Cats

Question 6

Fluoroacetates are after absorption converted to fluorocitrate, which blocks?

Answer 6

The tricarboxylic acid cycle (by competitive inhibition of the enzyme aconitase)

Question 7

DDT, chlordane, dieldrin, aldrin, heptachlor, lindane belong to?

Answer 7

Chlorinated hydrocarbon insecticides

Question 8

Alfatoxin G1 and G2 fluoresce with?

Answer 8

Green colour

Question 9

An antidote in selenium intoxication is?

Answer 9

Arsenic

Question 10

Pentavalent arsenates (As⁺⁵) are?

Answer 10

Less toxic than trivalent arsenite (As⁺³)

Question 11

The inhibition of protein synthesis (particularly incorporation of cysteine) which may account for the symptom of alpecia 14 days after exposure, is characteristic for?

Answer 11

Thallium

Question 12

Facial eczema (Phitomycotoxicosis) occurs after exposure to?

Answer 12

Sporodesmins

Question 13

Plants that contain cardiac glycosides are?

Answer 13

Digitalis purpurea, Nerium oleander