NBME 23 Sand fly (NBME Answers)

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Retired NBME 23 Answers

nbme23/Block 2/Question#22 (reveal difficulty score)
A 42-year-old man comes to the physician ...
Sand fly 🔍 / 📺 / 🌳 / 📖
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submitted by ∗sympathetikey(1600)

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Believe this question is referring to Visceral Leishmaniasis.

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gabeb71 The give away is the Fever, Pancytopenia, and Hepatosplenomegaly after being bitten by an insect and developing the sore. +16

tallerthanmymom I got this question directly after the other visceral leishmania question and it made me second guess everything I thought I knew. +11

qball Don't forget they like to infect macrophages. +1

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submitted by ∗almondbreeze(110)

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other answer choices

black fly - onchocera volvulus (river blindness) tsetse fly - trypanosoma brucei (african sleepling sickness) deer fly - F. tularensis

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peridot Also, deer fly can transmit loa loa (FA 2019 p.159) in addition to F. tularensis +

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submitted by ∗paulkarr(73)

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Visceral Leishmaniasis aka. "Kala-Azar"

Caused by Leishmania Donovani. (an intracellular protozoan)

Transmitted via the Phlebotomine Sand Fly.

Treated with Amphoterrible B. Can also use Sodium Stibogluconate, miltefosine, or paromomycin.

Will commonly be seen with pancytopenia, fever, and splenomegaly are the three big clues. Other symptoms you can see are night sweats, blackening of the skin, scaly skin, weakness, and substantial weight loss. This will kill ya if you don't get treatment.

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usmlecharserssss i got 2 leishmania questions 38 and 39 in 3rd block , both got incorrect because i thought no way they can do that ((((((( +6

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