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WorksheetsNaturally Occurring Toxins V
Total questions: 16
Worksheet time: 7mins
The poison produced by animals is called a ____________.
phytotoxin
zootoxin
bacteriotoxin
animotoxin
What kind of poison makes the puffer fish so dangerous?
Amatoxins
Urushiol
Tetrodotoxin
Oxalic acid
The platypus that is poisonous during the mating season is the __________.
male
female
Which of the following is an example of a viperine snake?
Cobra
Mamba
Rattlesnake
Blue racer
Venomous animals ________________.
deliver poison directly into the victim
have specific glands to produce venom
use their poison only to immobilise prey
are usually very large
A man was bitten by a cobra, which injected α neurotoxin into his bloodstream. What mechanism of action should the effective antivenom have?
Dissociate toxin acetylcholine receptor complex
Inhibit cholinesterase
There is no effective anti venom for α neurotoxin
Regenerate terminal axons
Which of the following is CORRECT regarding tetrodotoxin?
Inhibits G protein coupled receptors
Unique to puffer fish
Blocks action potentials in cardiac muscle cells
Causes hallucinations and delirium before death
How do you feel at the moment?
Help, I'm clueless!!!
I'm actually enjoying this!
End fast-fast, pretty please?
Zzzzz....
Which of the following animals produce a toxin that contains serotonin, nucleotidases, and phosphodiesterases; and may cause extreme pain and tissue death?
Name the toxin that is produced in this animal's tissues, which affected island natives consuming its meat.
(a)
What is snake antivenom comprised of?
Purified antibody fractions from hyperimmune serum
Highly diluted pool of snake venom
Purified antigens extracted from snake venom
Which of the following is a drug derived from snake venom?
Capoten (Captopril)
Tectin
Margatoxin
Capsaicin
A customer at a Japanese restaurant decided to try raw pufferfish sashimi for lunch. He was unaware that there were traces of TTX in the meat. Which part of his body would be affected first?
(a)
Which of the following are compounds contain peptides unique to platypus venom?
C type natriuretic peptides (OvCNPs)
Phosphodiesterases
Defensin like proteins (OvDLPs)
A man experienced painful burning pain during a swim in the sea. He was sent to the hospital and developed heart failure along the way. Which of the following marine animals did he encounter?
Hawskbill sea turtle
Blue
ringed octopus
Irukandji
box jellyfish
Pufferfish
How is snake venom used in haematology laboratory diagnosis?
To measure blood cell counts
To distinguish factor
VII and X deficiency
As a reagent for blood typing analysis
To measure blood clotting time
