Malarial organisms presents as pale, very amoeboid ring trophozoite infecting a large pale red blood cells with dots of hemoglobin
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The image above is from the blood of an individual infected with Trypanosoma. The red blood cells are the pale circular (almost donut like) structures. The Trypanosoma are stained darker and are more sickle-shaped. Questions 1. Examine the prepared slide, showing blood cells of a patient infected with Trypanosoma. Are the protists inside the blood cells or outside in the surrounding plasma? 2. Find the flagellum on a Trypanosoma. Note also the wavy nature of the cell membrane. What does this suggest to you about the way Trypanosoma might swim through the plasma of its human host?
Sri K.
Question 7 1 pt A 20-year-old woman has had several episodes of high fever, shaking chills, and a severe headache. She has a hematocrit of 30%, well below normal. She recently returned from Africa, where she was a Peace Corps volunteer. Which one of the following is MOST likely to be seen in the blood smear sample from this patient? Acid-fast rods Ring-shaped trophocyte Nonseptate hyphae Spherules Gram-negative cocci
Plasmodium falciparum is a parasitic protist that can be carried among host organisms by a mosquito. Infection generates anemia via the process of: 1. infecting the bone marrow of its hosts 2. causing uncontrolled bleeding from tissues 3. invading red blood cells and dividing within them 4. mosquito-based feeding upon the blood during transmission 5. anemia is not a symptom of Plasmodium infection
Marlyn J.
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