12 Questions
Which step is crucial in disease diagnosis prior to obtaining the specimen?
Choosing the appropriate specimen
What is the correct method for collecting sputum as a specimen for examination?
Collect a morning specimen in a wide-mouthed container
How should serous fluids like pleural or synovial fluids be collected for examination?
Collect in sterile containers with citrate to prevent clotting
What is the correct process for obtaining a blood culture specimen?
Aseptically collect the blood and culture in two screw-capped bottles
Which method is recommended for obtaining serum for serological tests?
Allow blood to clot or centrifuge to obtain serum
What precaution should be taken when collecting urine as a specimen?
Collect a mid-stream specimen and take precautions to avoid contamination
Which of the following is NOT a method for diagnosing a bacterial infection?
Genetic analysis to identify the presence of pathogenic genes
Which of the following biochemical tests is NOT mentioned for bacterial identification?
Determination of an organism's motility
Which of the following is NOT a reason for using selective media for isolation of causal organisms?
To stimulate the production of bacteriocins
Which of the following is NOT a method for typing bacterial strains within a species?
Genomic typing using differences in bacterial DNA sequences
Which of the following statements about bacterial identification is incorrect?
Bacteria can be identified using antigenic typing, based on differences in flagella structure
Which of the following is NOT a condition required for growth of some bacteria mentioned in the text?
Requires a low pH environment
Learn about the crucial steps involved in specimen collection for disease diagnosis, such as choosing the appropriate specimen, proper specimen collection techniques, and ensuring timely transportation to the laboratory. Understand the importance of providing essential information to guide laboratory personnel.
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