Exam 52: Blood and Tissue Filarialnematodes

A skin snip is performed, and microfilariae with tapered tails, no nuclei, and unsheathed are microscopically observed.The recommended therapy for this infection is:

The definitive host and reservoir for Wuchereria bancrofti is:

A 36-year-old man who has been traveling through the orient is experiencing a tender region in the inguinal region.A blood film is made, and sheathed microfilariae with four to five subterminal nuclei and two terminal nuclei in the tail are identified using Giemsa stain.The organism is most likely:

MATCHING Match the organism with the vector of transmission. Answers may be used more than once. -Loa loa

MATCHING Match the organism with the vector of transmission. Answers may be used more than once. -Mansonella spp.

Chyluria is a result of lymphatic rupture and fluid entering the urine.Another lymphatic condition caused by Wuchereria bancrofti is:

MATCHING Match the organism with the vector of transmission. Answers may be used more than once. -Brugia spp.

MATCHING Match the organism with the vector of transmission. Answers may be used more than once. -Onchocerca volvulus

A Giemsa stain is performed on an eye exudate on a patient with calabar swelling, eosinophilia, and a recent travel history to Africa.Loa loa is suspected; however, the sheath in the adult worm recovered does not stain.Which one of the following statements explains this discrepancy?

MATCHING Match the organism with the vector of transmission. Answers may be used more than once. -Wuchereria bancrofti