Malaria parasites and life cycle US Medical PG Flashcards - Medical Study Cards
Master Malaria parasites and life cycle with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Malaria parasites and life cycle Flashcard Deck - 10 Cards
Flashcard 1: Plasmodium vivax/ovale present with multiple, brick-red dots in RBCs, known as _____ dots
Answer: Schüffner's dots
Flashcard 2: Which strain(s) of Plasmodium follow a quartan fever cycle?_____
Answer: Plasmodium malariae
Flashcard 3: The trophozoites of Plasmodium _____ are small rings
Answer: falciparum
Flashcard 4: The trophozoites of Plasmodium _____ are large, irregular rings
Answer: vivax/ovale
Flashcard 5: The gametocytes of Plasmodium vivax/ovale are _____ (shape)
Answer: round
Flashcard 6: Fevers from Plasmodium vivax and ovale occur every _____
Answer: 48 hrs
Flashcard 7: The trophozoites of Plasmodium _____ are band or rectangular (shape)
Answer: malariae
Flashcard 8: 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 9: 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.
Flashcard 10: Disease caused by Trypanosoma cruzi?
Answer: Chagas disease (American trypanosomiasis)
Extra: Transmission: Reduviid bug (kissing or assassin bug)
Diagnosis: Blood smear, C-shaped trypomastigote
Region: Central/South America
Clinical features: Romana sign, Chagasic cardiomyopathy, Megaesophagus, Megacolon
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