Laboratory diagnosis of parasites — Flashcards

Flashcard 1: How is Wuchereria bancrofti diagnosed?_____

Answer: blood smear

Flashcard 2: Diagnosis of tapeworms occurs with identification of _____ and eggs in stool

Answer: proglottids

Flashcard 3: Cyclospora, Cystoisospora belli, and Cryptosporidium parvum are all _____

Answer: Acid-fast

Flashcard 4: Which stain is used to visualize Plasmodium?_____

Answer: Giemsa

Flashcard 5: Diagnosis of Plasmodium spp. includes blood smear or _____ stain

Answer: giemsa

Flashcard 6: Which helminth is also known as pinworm?_____

Answer: Enterobius vermicularis

Flashcard 7: What is an ELISA looking for when testing for Giardia?_____

Answer: Stool antigens

Flashcard 8: Which helminth can present with neurocysticercosis?_____

Answer: Taenia solium

Flashcard 9: What are the classic clinical and diagnostic findings associated with Trichomonas vaginalis?

Answer: Strawberry cervix, foul-smelling greenish discharge, motile trophozoites on wet mount.

Extra: Diagnosis: Wet mount showing motile pear-shaped trophozoites. Treatment: Metronidazole (treat both partners). Transmission: Sexual.

Flashcard 10: What are the clinical findings and treatment for Trichomonas vaginalis infection?

Answer: Foul-smelling, greenish vaginal discharge; strawberry cervix; motile trophozoites on wet mount. Treatment: Metronidazole (patient & partner).

Extra: Trichomoniasis is a common sexually transmitted infection caused by the protozoan Trichomonas vaginalis. Key findings include: \n- Clinical: Malodorous, thin, frothy, green-yellow discharge; pruritus; dysuria. \n- Physical Exam: "Strawberry cervix" (cervical petechiae). \n- Diagnosis: High pH (>4.5), motile pear-shaped trophozoites on saline wet mount. \n- Rule: Always treat both the patient and sexual partner to prevent reinfection.