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Author Question: Why does Plasmodium falciparum infection result in the most serious hemolysis of the various forms ... (Read 53 times)

rayancarla1

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on: Jun 25, 2018
Why does Plasmodium falciparum infection result in the most serious hemolysis of the various forms of malaria?
 
  a. Only reticulocytes are invaded.
  b. Reticulocytes and RBCs less than 10 days old are invaded.
  c. Only mature RBCs are invaded.
  d. RBCs of all ages are invaded.

Question 2

Thick blood films for malaria diagnosis are best used for which purpose?
 
  a. Initial screening
  b. Determination of the percent of parasitemia
  c. Speciation
  d. Identification of stages


scottmt

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: D
RBCs in all stages of development are invaded by P. falciparum. This is not true of the other malarial species, which invade only a portion of the circulating RBCs.

Answer to Question 2

ANS: A
Thick blood films concentrate the parasites and are ideal for initial screening. Thin blood films are used for the other three purposes.


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