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</p> Signup and view all the answers

    Which family of snakes injects vasculotoxic venom?

    <p>Viperidae</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</p> Signup and view all the answers

    What is the first neurological sign of Elapid snake bite?

    <p>Ptosis</p> Signup and view all the answers

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

    <p>Dysphonia</p> Signup and view all the answers

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

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

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

    <p>Photophobia</p> Signup and view all the answers

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

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

    What is a common local effect of Viper snake bite?

    <p>Erythema</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</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</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</p> Signup and view all the answers

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

    <p>Blindness</p> Signup and view all the answers

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