Podcast
Questions and Answers
What is the first step in the diagnosis of a disease?
What is the first step in the diagnosis of a disease?
- Obtaining the specimen promptly to prevent contamination.
- Transporting the specimen to the laboratory as quickly as possible.
- Choosing the appropriate specimen based on lab personnel preferences.
- Selecting the appropriate specimen based on the pathogenesis of the infection. (correct)
How should urine specimens be collected to avoid contamination?
How should urine specimens be collected to avoid contamination?
- By using a rectal swab if a plastic container is not available.
- By collecting a mid-stream specimen with precautions. (correct)
- By rushing the collection process to transport it promptly.
- In a dirty container to ensure accurate labeling.
What is the recommended method for collecting sputum specimens?
What is the recommended method for collecting sputum specimens?
- Collecting it any time of day in a narrow-mouthed container.
- Collecting a morning specimen in a wide-mouthed container. (correct)
- Using a rectal swab for collection.
- Collecting it in the afternoon in a wide-mouthed container.
How should blood culture specimens be handled for laboratory testing?
How should blood culture specimens be handled for laboratory testing?
What should be added to serous fluids to prevent clotting during collection?
What should be added to serous fluids to prevent clotting during collection?
In what form should blood be obtained when needed for serological tests?
In what form should blood be obtained when needed for serological tests?
What is a common method used for diagnosing a bacterial infection by detecting the causal organism microscopically in a stained smear?
What is a common method used for diagnosing a bacterial infection by detecting the causal organism microscopically in a stained smear?
How is the identification of bacteria isolated by culture NOT typically determined?
How is the identification of bacteria isolated by culture NOT typically determined?
Which of the following methods is NOT used for bacterial typing within a species according to the text?
Which of the following methods is NOT used for bacterial typing within a species according to the text?
What is the basis of identification for some bacteria, with a specific example mentioned in the text?
What is the basis of identification for some bacteria, with a specific example mentioned in the text?
What is one method used for bacterial typing by comparing the plasmids contained by different bacterial strains?
What is one method used for bacterial typing by comparing the plasmids contained by different bacterial strains?
Which test is of great value in detecting antibodies specific for the causal organism in patients with infections where the organism is difficult to culture?
Which test is of great value in detecting antibodies specific for the causal organism in patients with infections where the organism is difficult to culture?
