42 Questions
Why is specimen collection important?
Because laboratory results are limited by the quality of the specimen
What is the primary consideration when collecting specimens?
Minimizing the possibility of introducing contaminating microorganisms
What type of container is suitable for collecting feces?
A universal container with a spoon attached to the inside of the screw cap
What is the purpose of using a blood culture bottle?
To collect blood samples for culturing microorganisms
What is the primary use of swabs?
Collecting exudates from accessible lesions
What is the composition of a swab?
A sterile pledge of absorbent material mounted on a thin wire stick
What is the minimum volume of liquid medium required in a blood culture bottle?
50ml
What type of swab is used for collecting specimen from a specific part of the throat?
Laryngeal swab
When is the ideal time to collect a specimen for microbiological testing?
During the acute phase
What information must be included on the label of a specimen container?
Patient's name, type of specimen, collection date and time, test requested, and name of ordering physician
What is the consequence of a specimen being labeled improperly?
The specimen will be rejected
What is the minimum time frame for transporting a specimen to the laboratory?
2 hours
What is the consequence of a specimen container being non-sterile?
The specimen will be rejected
Who should be informed about the rejection of a specimen?
The physician
What is the primary purpose of collecting a specimen during the acute phase?
To determine the cause of the infection
Which of the following is NOT a characteristic of a suitable specimen container?
Non-sterile
What information is NOT required on the label of a specimen container?
Physician's signature
What is the consequence of a specimen being labeled improperly?
It may be rejected
Why would a specimen be rejected due to insufficient quantity?
It may not be sufficient for testing
What is the maximum time frame for transporting a specimen to the laboratory?
2 hours
Who should be notified in case of a specimen rejection?
Physician
What is the primary concern when collecting specimens to minimize contamination?
Using containers that are not contaminated with microorganisms
What type of container is suitable for collecting sputum?
Wide mouthed disposable container
What is the purpose of using a universal container for feces collection?
To minimize contamination with external microorganisms
What type of examination requires blood with EDTA?
Parasitological examination
What is the minimum volume of blood required for blood culture?
5-10ml of patient's blood
What is the primary use of syringe and needle in specimen collection?
Aspirating fluids from wounds and other accessible lesions
What is the purpose of using a sterile pledge of absorbent material in swabs?
To reduce the risk of contamination
What type of swab is used for collecting specimen from the larynx?
Laryngeal swab
When is the ideal time to collect a specimen for microbiological testing?
During the acute phase
What should be included on the label of a specimen container?
Patient's name, type of specimen, collection date and time, test requested, and name of ordering physician
Why would a specimen be rejected?
If it is labeled improperly
Why is a specimen container required to be sterile?
To prevent contamination
What would happen to a specimen that is contaminated with normal flora?
It would be rejected
Who should be informed about the rejection of a specimen?
The physician
What is the purpose of using a wide mouthed disposable container for sputum specimen collection?
To minimize contamination
What type of container is used for collecting small quantities of urine?
Universal container
Why is a spoon attached to the inside of the screw cap of a universal container for feces collection?
To ease the collection process
What type of examination requires blood with anticoagulant?
Parasitological examination
What is the primary use of a syringe and needle in specimen collection?
For aspiration of fluids from wounds, CSF, pleural effusion, and amniotic fluid
What type of material is usually used in swabs for taking specimens?
Both cotton-wool and synthetic fiber
What is the minimum volume of liquid medium required in a blood culture bottle?
50ml
Learn about the importance of specimen collection and transportation in laboratory testing, including proper techniques to minimize contamination and ensure accurate results.
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