A1 Helminths-Intestinal/Tissue nematodes (Nematodes=round worms) Flashcards
1
Q
Etiology: enterobiu vermicularis MOA: Fecal/oral Sx: perianal itching Test: O&P,*scotch tape prep* *No intermediate host, females lay eggs at night* Tx: Vermox 1x and then 2 weeks later *Most in USA*
A
Intestinal- Enterobiasis (Pin Worms)
2
Q
Etiology: trichuris trichiura MOA: Oral/fecal Sx: abd pain, bloody diarrhea Test: stool O&P Tx: Vermox *no intermediate host* *rectum exits the body*
A
Intestinal- Trichuriasis (Whip Worms)
3
Q
Etiology: ascaris lumbercoides MOA: food/drink (eggs) Sx: wheezing, abd complaints Test: stool/sputum O&P, xray Tx: Vermox *lung migratory to bowel obstruction* *most in world*
A
Intestinal- Accariasis (giant round worm)
4
Q
Etiology: Ancylostoma duodenale MOA: penetrates skin of feet, migrates to lungs/intestines Sx: severe anemia, mental retardation Test: stool O&P Tx: Vermox *serpentine rash-snakelike rash of worm* *humans secondary host to animals*
A
Intestinal- Hookwork
5
Q
Etiology: strongyloides stercoralis MOA: through feet, *lines on back and buttocks* Sx: auto/hyperinfection Test: Sputum O&P Tx: *ivermectin* *pulmonary symptoms = severe cases*
A
Intestinal- Strongyloidiasis (Thread Worm)
6
Q
Etiology: trichinella spiralis MOA: undercooked meat (pork) Sx: periorbital edema Test: CBC (Increased WBC), muscle biopsy Tx: albendazole *humans accidental host*
A
Tissue- Trichiniasis (Trichinosis)
7
Q
Etiology: dracunculus medinesis MOA: water with larvae Sx: blister Test: visual Tx: flagyl, remove worm carefully *longest nematode 1m*
A
Tissue- dracunculiasis (Guinea worm disease)
8
Q
Etiology: wuchereria bancrofti, brugias MOA: culex mosquito Sx: elephantiasis Test: CBC, blood smear shows microfilariae Tx: ivermectin *chyluria-milk like urine*
A
Tissue- lymphatic filariasis
9
Q
Etiology: onchocerca volvulus
MOA: blak flies
Sx: pruritis, rash lizard skin, blindness
Test: CBC
Tx: ivermectin
near rivers * extreme pruritis-can scratch pigment out of skin*
A
Tissue- Onchocerciasis (river blindness)
10
Q
Etiology: loa loa MOA: deerfly Sx: calabar swelling (localized swelling) Test: CBC Tx: DEC *worm across eye*
A
Tissue- Loa Loa (african eye worm)
