Venomous Snakes and Their Toxic Action Quiz

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Questions and Answers

What percentage of snake bites involve venomous snakes?

  • 5% to 10% (correct)
  • 40% to 50%
  • 60% to 70%
  • 20% to 30%

Which type of venom is secreted by Elapidae?

  • Neurotoxic venom (correct)
  • Hemotoxic venom
  • Vasculotoxic venom
  • Myotoxic venom

What is the effect of phospholipase enzyme in Viperidae venom?

  • It causes destruction of RBCs leading to haemolysis (correct)
  • It simulates neurotoxic venom
  • It produces paralysis of motor nerve endings
  • It causes respiratory failure

What is the result of myoglobinuria in Hydrophidae venom?

<p>Respiratory and renal failure (A)</p> Signup and view all the answers

Which family of snakes injects vasculotoxic venom?

<p>Viperidae (A)</p> Signup and view all the answers

What is the characteristic of neurotoxic venom?

<p>It has a curare-like action causing paralysis of motor nerve endings (C)</p> Signup and view all the answers

What is the first neurological sign of Elapid snake bite?

<p>Ptosis (B)</p> Signup and view all the answers

What is a possible symptom of Elapid snake bite that affects speaking?

<p>Dysphonia (C)</p> Signup and view all the answers

Which systemic effect is not typically associated with Elapid snake bite?

<p>Hypovolemic shock (A)</p> Signup and view all the answers

What is a characteristic symptom of Ophthalmic effects due to Cobra venom entering the eyes?

<p>Photophobia (B)</p> Signup and view all the answers

Which of the following is a sign of Ophthalmic effects from Cobra venom?

<p>Excessive lacrimation (D)</p> Signup and view all the answers

What is a common local effect of Viper snake bite?

<p>Erythema (C)</p> Signup and view all the answers

Which of the following symptoms is more characteristic of Elapid snake bites than Viper snake bites?

<p>Blindness (D)</p> Signup and view all the answers

What might be a symptom of Viper snake bite that could be confused with the symptoms of Elapid snake bite?

<p>Painful swelling (B)</p> Signup and view all the answers

Which systemic effect is more likely to be seen with Viper snake bites than Elapid snake bites?

<p>Nausea (A)</p> Signup and view all the answers

What effect is more characteristic of Elapidae venom than Viperidae venom?

<p>Blindness (A)</p> Signup and view all the answers

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