Podcast
Questions and Answers
Thin smears are not routinely examined to diagnose malaria in a patient except when there is technical problems with the thick smears, when confirmation of the species is difficult or uncertain in the thick smear, or when the parasite density is very ______
Thin smears are not routinely examined to diagnose malaria in a patient except when there is technical problems with the thick smears, when confirmation of the species is difficult or uncertain in the thick smear, or when the parasite density is very ______
high
Examine the thin smear until the presence and species of malaria parasites have been identified, or up to at least 800 fields before declaring the slide ______
Examine the thin smear until the presence and species of malaria parasites have been identified, or up to at least 800 fields before declaring the slide ______
negative
The limit of detection by experienced microscopists is usually 10-20 parasites per μl of ______
The limit of detection by experienced microscopists is usually 10-20 parasites per μl of ______
blood
Following a negative result, examination of the blood should be repeated after a few ______
Following a negative result, examination of the blood should be repeated after a few ______
Signup and view all the answers
Malaria rapid diagnostic (RDTs) detect malaria-specific antigens derived from the blood stages of malaria parasites. The presence antigen is indicated by a result across a ______ strip
Malaria rapid diagnostic (RDTs) detect malaria-specific antigens derived from the blood stages of malaria parasites. The presence antigen is indicated by a result across a ______ strip
Signup and view all the answers
RDTs provide a useful support to clinical diagnosis of malaria and a validate native to microscopy for the clinic diagnosis of uncomplicated ______ particularly where good quality microscopy services are not readily available
RDTs provide a useful support to clinical diagnosis of malaria and a validate native to microscopy for the clinic diagnosis of uncomplicated ______ particularly where good quality microscopy services are not readily available
Signup and view all the answers
The advantages of parasitological diagnosis are: improved care of parasite-positive patients owing to greater certainty that the cause of the present illness is ______
The advantages of parasitological diagnosis are: improved care of parasite-positive patients owing to greater certainty that the cause of the present illness is ______
Signup and view all the answers
Microscopy has a high degree of sensitivity and specificity when performed well. In addition, it allows quantification of malaria parasites and identification of the infecting ______
Microscopy has a high degree of sensitivity and specificity when performed well. In addition, it allows quantification of malaria parasites and identification of the infecting ______
Signup and view all the answers
Types of stains: Many differential stains have been developed for the detection of malaria parasites but the Romanowsky stains that stain the nucleus red and cytoplasm blue have proved the most adaptable and reliable for routine work. Giemsa stain, an alcohol-based Romanowsky stain, is the 'gold ______'
Types of stains: Many differential stains have been developed for the detection of malaria parasites but the Romanowsky stains that stain the nucleus red and cytoplasm blue have proved the most adaptable and reliable for routine work. Giemsa stain, an alcohol-based Romanowsky stain, is the 'gold ______'
Signup and view all the answers
A skilled microscopist is able to detect asexual parasites at densities of fewer than 10 per microliter of blood but under typical field conditions the limit of sensitivity is approximately 100 parasites per ______
A skilled microscopist is able to detect asexual parasites at densities of fewer than 10 per microliter of blood but under typical field conditions the limit of sensitivity is approximately 100 parasites per ______
Signup and view all the answers
Therapeutic dose calculation is essential for the treatment of uncomplicated ______ malaria
Therapeutic dose calculation is essential for the treatment of uncomplicated ______ malaria
Signup and view all the answers
______ rapid diagnostic tests have been developed for the detection of malaria parasites
______ rapid diagnostic tests have been developed for the detection of malaria parasites
Signup and view all the answers
Field stain is most commonly used for routine diagnosis due to its applicability to both thick and thin blood films, its stability during storage, and its constant and reproducible staining quality over a range of __________.
Field stain is most commonly used for routine diagnosis due to its applicability to both thick and thin blood films, its stability during storage, and its constant and reproducible staining quality over a range of __________.
Signup and view all the answers
Field stain is a good method to stain thick smears but not suitable for __________.
Field stain is a good method to stain thick smears but not suitable for __________.
Signup and view all the answers
Leishman's stain solution uses __________ as a solvent and is useful to stain thin smears.
Leishman's stain solution uses __________ as a solvent and is useful to stain thin smears.
Signup and view all the answers
Thick smears are more sensitive for detecting the presence of parasites, while thin smears can provide more details for species __________.
Thick smears are more sensitive for detecting the presence of parasites, while thin smears can provide more details for species __________.
Signup and view all the answers
Before starting parasite count, 100 fields of the thick smear at a magnification of 700 are examined to establish the presence of parasites and their __________.
Before starting parasite count, 100 fields of the thick smear at a magnification of 700 are examined to establish the presence of parasites and their __________.
Signup and view all the answers
If an experienced microscopist is not available, Rapid Diagnostic Tests (RDTs) should be used for diagnosing __________.
If an experienced microscopist is not available, Rapid Diagnostic Tests (RDTs) should be used for diagnosing __________.
Signup and view all the answers
