MedLab Insight

Which type of culture media supports the growth of a wide variety of microorganisms?
A. Selective media
B. Differential media
C. Basal (simple) media
D. Transport media
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Identify the urine crystals 😍

Stool microscopy examination 😍🦠

Before issuing a unit of blood for transfusion, which of the following must be confirmed?
A. The patient's favorite food
B. The color of the blood bag
C. Compatibility between donor and recipient blood
D. The donor's occupation
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A blood mixer helps maintain the integrity of anticoagulated blood cells by:
A. Preventing clot formation and cell settling
B. Destroying platelets
C. Removing plasma
D. Increasing cell size
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Why is aseptic technique important in microbiology?
A. To speed up microbial growth
B. To prevent contamination of specimens, cultures, and the environment
C. To change the color of culture media
D. To destroy all microorganisms instantly
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A blood sample collected in a syringe becomes clotted before it is transferred into an anticoagulated container. What is the most likely consequence?
A. The sample will give accurate hematology results
B. The anticoagulant will dissolve the clot completely
C. The sample may produce unreliable or invalid test results
D. The clot will not affect any laboratory investigation
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Why is it important to prevent post-analytical errors in the laboratory?
A. To reduce the cost of reagents
B. To improve the color of culture media
C. To increase specimen collection time
D. To ensure accurate reporting and interpretation of patient results
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Why should the bevel of the needle face upward during venous blood collection?
A. To increase blood clotting
B. To reduce pain and allow smooth entry into the vein
C. To prevent hemolysis completely
D. To increase blood flow pressure
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Which part of a Triple Beam Balance is used to hold the object being weighed?
A. Pointer
B. Rider
C. Pan
D. Beam
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