PLASMODIUM Paola Mae A.Arbilo Learning Objectives Quiz
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Questions and Answers

Which stain is commonly used to visualize the components of a developing trophozoite in malaria?

  • Hematoxylin stain
  • Wright stain
  • Giemsa stain (correct)
  • Cresyl violet stain

What is the main feature of a developing trophozoite in malaria?

  • Blue cytoplasmic circle
  • Visible brown pigment
  • Red chromatin dot (correct)
  • Round shape

What distinguishes mature schizonts from developing trophozoites in malaria?

  • Presence of active chromatin replication
  • Brown pigment visible
  • Fully developed stage with Merozoites (correct)
  • Ring-like appearance

What is a characteristic feature of microgametocytes in malaria?

<p>Roundish shape (C)</p> Signup and view all the answers

Which component surrounds the growing chromatin in a developing trophozoite in malaria?

<p>Visible cytoplasmic material (B)</p> Signup and view all the answers

Which population is most susceptible to Plasmodium infection?

<p>Young children (A)</p> Signup and view all the answers

How is Plasmodium primarily transmitted to humans?

<p>By insect bite (A)</p> Signup and view all the answers

What is one of the key characteristics of Plasmodium infection?

<p>Results in recurrent febrile episodes (C)</p> Signup and view all the answers

What distinguishes Plasmodium as a leading parasitic disease worldwide?

<p>It causes significant mortality globally (D)</p> Signup and view all the answers

Which genus of mosquitoes is responsible for transmitting Plasmodium?

<p>Anopheles (D)</p> Signup and view all the answers

What is the function of blood schizonticidal drugs?

<p>Prevent or terminate clinical attack of parasite in the RBCs (C)</p> Signup and view all the answers

Which group of drugs acts on pre-erythrocytic forms in the liver?

<p>Tissue schizonticides (C)</p> Signup and view all the answers

What is the mainstay of anti-malarial drugs mentioned in the text?

<p>Chloroquine (B)</p> Signup and view all the answers

Which drug combination is recommended for preventing relapse in vivax malaria?

<p>Chloroquine + primaquine (D)</p> Signup and view all the answers

What is the first-line regimen for MDR Malaria according to the text?

<p>Artesunate + mefloquine (D)</p> Signup and view all the answers

What is a characteristic feature of mature schizonts of Plasmodium vivax according to the text?

<p>Brown pigment may be present (B)</p> Signup and view all the answers

What characteristic distinguishes a microgametocyte from a macrogametocyte in Plasmodium vivax?

<p>Delicate light brown pigment (A)</p> Signup and view all the answers

Which symptom is typically associated with Plasmodium ovale infection?

<p>Chronic damage to the brain (D)</p> Signup and view all the answers

What distinguishes ring forms of Plasmodium ovale from those of Plasmodium vivax?

<p>More evident ameboid tendencies (C)</p> Signup and view all the answers

In which type of malaria do parasites occupy 75% of RBCs and exhibit a rosette arrangement with an average of eight merozoites?

<p>Plasmodium falciparum (D)</p> Signup and view all the answers

What is a common epidemiological characteristic of Plasmodium vivax?

<p>Prevention by netting and mosquito control (D)</p> Signup and view all the answers

What differentiates immature schizonts of Plasmodium ovale from those of Plasmodium vivax?

<p>Circular shape early in development (D)</p> Signup and view all the answers

What is a characteristic feature of Plasmodium malariae according to the text?

<p>Ziemann’s dots presence (A)</p> Signup and view all the answers

In quartan malaria caused by Plasmodium malariae, how often do paroxysms typically occur?

<p>Every 72 hours (C)</p> Signup and view all the answers

Which type of Plasmodium infection is associated with the presence of Ziemann’s dots?

<p>P. malariae (B)</p> Signup and view all the answers

What is the defining characteristic of ring forms seen in Plasmodium falciparum infections?

<p>Presence of fine pigment granules (B)</p> Signup and view all the answers

How many merozoites, on average, are present in a mature schizont of Plasmodium falciparum?

<p>24 merozoites (C)</p> Signup and view all the answers

What could be a distinguishing feature between the characteristics of P. vivax and P. falciparum infections based on the text?

<p>Smaller pigment in P. vivax (B)</p> Signup and view all the answers

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