Methods Of Vector Control Quiz: Trivia!

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| By Andrew Blanshard
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Andrew Blanshard
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Quizzes Created: 9 | Total Attempts: 38,649
Questions: 20 | Attempts: 816

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Methods Of Vector Control Quiz: Trivia! - Quiz


Questions and Answers
  • 1. 

    Which of these would be a rapid way to reduce the housefly population.

    • A.

      Packing rubbish tips tightly

    • B.

      Ultra low volume deltamethrin fogging.

    • C.

      Ventilated pit latrines

    • D.

      Bacillus thurnigiensis

    Correct Answer
    B. Ultra low volume deltamethrin fogging.
    Explanation
    All others are viable but not as quick as fogging.

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  • 2. 

    Temephos is used to target adult blackfly populations.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Temephos is a larvicide introduced to running water environments to kill blackfly larvae. This is the main option for blackfly control.

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  • 3. 

    Acaricide-treated livestock is a good way to control hard ticks.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This is true as they are hosts to hard ticks. Soft ticks are found indoors and are controlled by the regular sweeping of floors, IRS, raising beds, and better quality housing.

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  • 4. 

    Infection with which 2 of these can be prevented by ironing clothes.

    • A.

      Pediculis humanis corporis

    • B.

      Soft ticks

    • C.

      Cordylobia anthropophaga aka Tumbu/Mango fly.

    • D.

      Fleas

    Correct Answer(s)
    A. Pediculis humanis corporis
    C. Cordylobia anthropophaga aka Tumbu/Mango fly.
    Explanation
    Ironing clothes can prevent infection with Pediculis humanis corporis (body lice) and Cordylobia anthropophaga (Tumbu/Mango fly). Ironing clothes at high temperatures can kill the eggs, larvae, and adult insects present on the fabric, reducing the risk of infestation and subsequent infection. However, ironing clothes may not be effective in preventing infection with soft ticks or fleas, as these parasites are usually found in the environment rather than on clothing.

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  • 5. 

    Indoor residual spraying for Anopheles has had a good effect on controlling sandflies in areas which they are found together.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    This has helped reduced leishmania transmission in many areas with both malaria and leishmania. Phlebotomus papatasi and Lutzomyia longipalpis are both endophiles of note.

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  • 6. 

    Deltamethrin-treated dog collars are ineffective at controlling Leishmania infection.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    They have had a good local effect in some areas.

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  • 7. 

    Regular vacuuming, washing duvets, and airing rooms is a good control method for...

    • A.

      Leptotrombidium

    • B.

      Dermatophagoides

    • C.

      Demodex follicularum

    • D.

      Tunga penetrans

    Correct Answer
    B. Dermatophagoides
    Explanation
    Regular vacuuming, washing duvets, and airing rooms is a good control method for Dermatophagoides. Dermatophagoides refers to dust mites, which are tiny insects that commonly live in household dust, bedding, and upholstery. These mites can cause allergies and respiratory problems in some individuals. By vacuuming regularly, washing duvets, and airing rooms, it helps to reduce the number of dust mites and their allergens in the environment, providing a healthier living space for individuals who are sensitive to dust mites.

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  • 8. 

    Control of tsetse flys is generally aimed at...

    • A.

      Eggs

    • B.

      Larvae

    • C.

      Pupae

    • D.

      Adults

    Correct Answer
    D. Adults
    Explanation
    Control is aimed at adults because the larvae is retained by the female for most of its life and the pupae are buried in the soil. It doesn't lay eggs - it gives birth to a live larvae.

    Viable control methods are Sterile insect technique and targets and traps impregnated with pyrethroids. There is no known problem with tsetse resistance to insecticides, so these will likely form the mainstay of control in the future, with drug therapy for those infected.

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  • 9. 

    Most malaria control campaigns are focused on larvae.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    They are mostly focused on adults.

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  • 10. 

    DDT is not endorsed by the WHO for spraying indoors to control malaria.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Although DDT has severe environmental impacts, the WHO endorsed it in 2006 for use in IRS. Some areas have resistance to it however, and it is banned in some countries.

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  • 11. 

    Long-lasting insecticide treated bednets can remain effective for up to...

    • A.

      2 years

    • B.

      5 years

    • C.

      6 months

    • D.

      10 years

    Correct Answer
    B. 5 years
    Explanation
    They are good in areas in which there is not resistance to pyrethroids.

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  • 12. 

    If a disease has been eliminated, control methods are no longer needed.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    False - this is only true for eradication. In elimination, measures are still needed to ensure that disease transmission does not re-occur.

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  • 13. 

    Shaving of body hair is a viable control method for...

    • A.

      Head lice

    • B.

      Body lice

    • C.

      Pubic lice

    • D.

      Ticks

    Correct Answer(s)
    A. Head lice
    C. Pubic lice
    Explanation
    Head lice could be controlled this way, although many wouldn't want to do this.

    Body lice are found on clothes, so washing clothes at a high temperature or treating them with insecticidal lotions (e.g. 1% permethrin, 5% carbaryl) kills the lice. Shaving doesn't help.

    Treatment of pubic lice can be with shaving, but insecticidal lotions are now commonly used.

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  • 14. 

    When treating scabies, it is advisable to treat all those who have close contact with the patient.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    When treating scabies, it is advisable to treat all those who have close contact with the patient because scabies is highly contagious and can easily spread from one person to another through close contact. Even if someone does not have any symptoms, they may still be carrying the mites that cause scabies and can pass it on to others. Treating everyone who has close contact with the patient helps to prevent the spread of scabies and ensures that everyone is effectively treated, reducing the risk of reinfestation.

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  • 15. 

    Which of the following can be used as a treatment for scabies infection:

    • A.

      Benzyl benzoate painted from the neck down.

    • B.

      Single dose oral ivermectin

    • C.

      Permethrin creams

    • D.

      Malathion lotion

    • E.

      Anti-histamine

    Correct Answer(s)
    A. Benzyl benzoate painted from the neck down.
    B. Single dose oral ivermectin
    C. Permethrin creams
    D. Malathion lotion
    Explanation
    Permethrin cream is often the first choice, but care must be taken when given to pregnant women or young children.

    Malathion lotion must also be given cautiously to children aged 6 and under.

    Benzyl benzoate is the traditional treatment and is painted from the neck down. It is still used if the other creams are too costly or unavailable.

    Anti-histamine may help with the itchiness of scabies and could be prescribed with cream treatment, as the itching will continue for some while after the mites have been killed.

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  • 16. 

    Burning of mite islands is done to control leptotrombidium.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Burning of mite islands is a method used to control the population of leptotrombidium, which are mites that can transmit diseases to humans. By burning the islands where these mites reside, their habitat is destroyed, leading to a decrease in their population. This helps in controlling the spread of diseases that these mites may carry. Therefore, the statement is true.

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  • 17. 

    T.brasiliensis was the target species of a bug for the Southern Cone Initiative.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The target species was T.infestans. Chile, Uraguay and Brazil are now declared free.

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  • 18. 

    Targeting larvae of culicoides midges for control is easy.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    This is difficult because the larval habitats are so extensive. Spraying and fogging has been done in some areas with limited effect. Deet gives limited personal protection. Bed nets without insecticides are unlikely to stop midges biting.

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  • 19. 

    Chrysops is easily controlled.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Control is difficult because of extensive larval habitats. Insect repellants give some protection.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 07, 2013
    Quiz Created by
    Andrew Blanshard
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