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11 Exercises

  1. Congo. A man is bitten by a cobra. He rushes to the hospital. After arrival he has absolutely no symptoms. Also over the following three days he displays absolutely no anomalies. Explanation?
  2. Gabon. A child was bitten by a snake 3 hours ago. There is an obvious painful swelling on the arm. The dead snake is available for inspection and the head is still intact. In the wide-open mouth there are long hinged teeth at the front. Do you expect respiratory paralysis? Do you administer neostigmine/atropine?
  3. A Thai farmer has a tooth pulled by the dentist. Afterwards he continues to bleed. He never bled like this earlier. He remembers that he was bitten by a snake several days ago. Could this be a significant fact?
  4. Tanzania. A python was chased away from the chicken coop. A child was bitten. What do you think?
  5. Antwerp. A man in a café tells how he earlier caught rattlesnakes in India and how he narrowly escaped a Russellīs viper bite in the jungle of Brazil. What do you think? Is the scar on his right arm really attributable to a viper bite in Madagascar?
  6. Angola. In the morning a woman was bitten in the left hand by a snake. A tight tourniquet was quickly applied above the elbow. In the afternoon she reaches the hospital. Her general condition is good, yet the woman can no longer move her fingers. Her hand is cold and numb. What do you think?
  7. Zimbabwe. The mobile vaccination team calls you urgently on the radio. A snake has just spat in the eyes of a child. What advise do you give them?
  8. India. One hour ago a man was bitten by a snake, species unknown. He is seeing double when he arrives a little later at your small hospital. He can scarcely keep his eyes open. What do you think?
  9. Burma. Two weeks ago a woman was bitten on the arm by a snake. There were no major consequences, but she still has local pain. An X-ray shows a white spot in the arm. What could this be?
  10. Liberia. A man was treated for a saw-scaled viper bite (Echis carinatus). He received antibiotics, wound cleaning and antiserum. Several weeks later he develops back pain and a fever. There is also itching and joint pain. Urine contains albumin. What do you think?
  11. Is there a direct link between the size of a snake and the danger it poses?
  12. A snake can always be correctly identified on the basis of the colour of its scales. Is this statement correct?