MEH 913 insect bites, stings, and lice

913 block 2 9/28/26

1. Q: What is the most common type of lice?

A: Head lice.

2. Q: How are head lice most commonly spread?

A: Head-to-head contact.

3. Q: When is head-lice activity most common?

A: August–November.

4. Q: Do head lice affect only certain socioeconomic groups?

A: No. They occur in all socioeconomic groups.

5. Q: Do head lice generally spread other diseases?

A: No. They generally do not spread infection or other diseases.

6. Q: Where do body lice live and lay eggs?

A: In clothing.

7. Q: What can body lice transmit?

A: Infections.

8. Q: Who commonly develops body lice?

A: People who do not shower or change clothing.

9. Q: What are pubic lice commonly called?

A: “Crabs.”

10. Q: How are pubic lice most commonly spread?

A: High-risk sexual contact.

11. Q: Where are pubic lice usually found?

A: Pubic area.

12. Q: What other areas can pubic lice infest?

A: Armpits, eyebrows, beards, and other areas.

13. Q: What do adult lice look like?

A: Small and difficult to locate.

14. Q: What do lice nits look like?

A: Grayish eggs attached to the hair shaft.

15. Q: What are lighter-colored nit casings?

A: Hatched nits.

16. Q: How do nits differ from dandruff or dirt?

A: Nits are more firmly attached to the hair shaft.

17. Q: What black finding may be seen with lice?

A: Black powdery specks from lice feces.

18. Q: What should you check when viewing a possible lice picture?

A: Background information because it may resemble fungal infection or dandruff.

19. Q: What is one way to prevent head-lice transmission?

A: Avoid physical contact with infected individuals.

20. Q: What personal items should not be shared with someone who has lice?

A: Personal items such as combs and brushes.

21. Q: How should non-washable items be treated for lice?

A: Seal them in a plastic bag for 2 weeks.

22. Q: How should clothing and bedding be treated for lice?

A: Wash in hot water and dry in a dryer.

23. Q: How should brushes and combs be treated?

A: Wash in hot water for 10 minutes or longer.

24. Q: What are the main exclusions for pyrethrin treatment?

A: Allergy/hypersensitivity and children under 2 years.

25. Q: What is the permethrin age exclusion listed?

A: Under 2 months.

26. Q: What lice infestation requires medical referral?

A: Infestation of the eyelids.

27. Q: When should pregnant or breastfeeding patients use synergized pyrethrins?

A: Only when prescribed by a provider.

28. Q: What other condition is listed as an exclusion to lice treatment?

A: Presence of active tumors.

29. Q: What resistance issue can affect lice treatment?

A: Regional resistance to pediculicides.

30. Q: What allergies are important when selecting some lice treatments?

A: Allergy to chrysanthemums or ragweed.

31. Q: What should be avoided in patients allergic to chrysanthemums?

A: Synergized pyrethrins.

32. Q: What options are listed for a patient allergic to chrysanthemums?

A: Permethrin, Cetaphil, and medical referral.

33. Q: What lice treatments were listed for a patient with a penicillin allergy?

A: Synergized pyrethrins, permethrin, and Cetaphil.

34. Q: How long should permethrin remain in contact with the hair?

A: 10 minutes.

35. Q: How long should synergized pyrethrins remain in contact with the hair?

A: 10 minutes.

36. Q: What should be done after the 10-minute contact time?

A: Rinse the hair.

37. Q: What is ivermectin used for?

A: Topical treatment of head lice.

39. Q: What is the minimum age for topical ivermectin?

A: 6 months.

40. Q: How is ivermectin lotion applied?

A: Apply enough to completely coat dry hair and scalp.

41. Q: What is the maximum amount of ivermectin lotion used?

A: Up to 1 tube.

42. Q: How long should ivermectin remain on the hair?

A: 10 minutes.

43. Q: What should be done after ivermectin's 10-minute application?

A: Rinse with water.

44. Q: How many times is ivermectin applied?

A: Once.

45. Q: What should be done with unused ivermectin lotion?

A: Discard it

46. Q: What are adverse effects of ivermectin lotion?

A: Conjunctivitis, eye irritation, dandruff, dry skin, and burning.

47. Q: How does permethrin compare with synergized pyrethrins?

A: A single permethrin application is more effective.

48. Q: When is a second permethrin application needed?

A: Only if active lice remain after 7–10 days.

49. Q: How young can permethrin be used?

A: As young as 2 months.

50. Q: What is synergized pyrethrin made of?

A: Pyrethrins plus piperonyl butoxide.

51. Q: What lice are synergized pyrethrins approved to treat?

A: Head and pubic lice.

52. Q: How are synergized pyrethrins applied?

A: Apply for 10 minutes, rinse, and comb.

53. Q: When should synergized pyrethrins be repeated?

A: In 7–10 days.

54. Q: What are adverse effects of synergized pyrethrins?

A: Irritation, erythema, itching, and swelling.

55. Q: What type of drug is permethrin?

A: A synthetic pyrethroid.

56. Q: What type of lice does permethrin treat?

A: Head lice only.

57. Q: What are adverse effects of permethrin?

A: Pruritus, burning, stinging, and irritation.

58. Q: How should pediculicides be rinsed off?

A: Over a sink with warm, not hot, water.

59. Q: Why rinse pediculicides over a sink?

A: To reduce skin exposure and absorption.

60. Q: When should shampoo be used after pediculicide application?

A: Wait 24 hours after application.

61. Q: What is the Nuvo Method?

A: A lice treatment using Cetaphil Gentle Skin Cleanser.

62. Q: How much Cetaphil is used in the Nuvo Method?

A: A full 8 oz

63. Q: How is Cetaphil applied?

Apply to dry hair until the hair is saturated and dripping.

64. Q: How long is Cetaphil left on initially?

A: 2 minutes.

65. Q: What is done after applying Cetaphil for 2 minutes?

A: Comb out excess cleanser.

66. Q: What is done after combing out excess Cetaphil?

A: Blow dry the hair.

67. Q: How long should the dried Cetaphil remain on the scalp?

A: At least 8 hours, usually overnight.

68. Q: What hair products should be avoided during the Nuvo Method?

A: Mousse, spray, and other hair products.

69. Q: How is the Nuvo Method completed?

A: Wash with shampoo.

70. Q: How often is the Nuvo Method repeated?

A: Once weekly for 3 treatments.

71. Q: How is 100% dimethicone used?

A: Apply to dry hair and wait 10 minutes.

72. Q: What is used after applying dimethicone?

A: A nit comb.

73. Q: What is done after using the nit comb with dimethicone?

A: Wash with shampoo.

74. Q: How often can dimethicone be repeated?

A: Daily for 3 days.

75. Q: What is known about tea tree oil for lice?

A: Some evidence supports efficacy, but evidence is limited.

76. Q: What is a concern with tea tree oil?

A: Potential allergic reactions.

77. Q: How should tea tree oil be diluted?

A: To a 1–10% concentration.

78. Q: How long may repeated alternative lice treatment be needed?

A: Up to 3 weeks.

79. Q: How is Natrum muriaticum applied?

A: To dry hair and scalp, especially the nape and behind the ears.

80. Q: How should Natrum muriaticum be applied to the hair?

A: Saturate all hair and scalp and massage it in.

81. Q: How long should Natrum muriaticum remain on the hair?

A: 15 minutes.

82. Q: What is done after Natrum muriaticum treatment?

A: Use a nit comb and wash it out.

83. Q: Can Natrum muriaticum treatment be repeated?

A: Yes.

84. Q: When should a patient with lice be referred for medical attention?

A: Significant irritation/adverse effects or persistent symptoms after the full regimen.

85. Q: What should be done if lice symptoms persist after completing treatment?

A: Refer for medical attention.

86. Q: What should be done if significant irritation occurs from treatment?

A: Refer for medical attention.

87. Q: What should DEET be used for?

A: Prevention of insect bites.

88. Q: How often can DEET be reapplied according to the notes?

A: Every 4–8 hours

89. Q: How can DEET adverse effects be reduced in children?

A: Use a lower concentration.

90. Q: Where should DEET NOT be sprayed?

A: directly on face that hits the Eyes and mucous membranes.

91. Q: How should DEET be applied to the face?

A: Spray onto hands and rub onto the face.

92. Q: Where should DEET be applied on the body?

Exposed skin, not underneath clothing.

93. Q: What should be done with DEET after showering?

A: Wash it off.

94. Q: How should a tick be removed?

A: Use tweezers and remove the entire tick.

95. Q: How soon should a tick be removed according to the notes?

A: Within 36 hours.

96. Q: How can insect stings be prevented?

A: Avoid perfumes/scented lotion, wear long sleeves, and clean spilled food.

97. Q: What should be done for standing water to reduce mosquito bites?

Remove standing water.

98. Q: What should be done if there is a large red mark with an outer red ring?

See a doctor; a bullseye rash can indicate a tick-borne illness.

100. Q: What should be considered when a suspected insect bite has many fluid-filled vesicles?

It may be allergic contact dermatitis rather than a simple insect bite.

ypu need to add more info to these cards but it’s a good start