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What type of bacteria does the LAL test specifically detect?

Gram-positive bacteria

Gram-negative bacteria

The Limulus Amebocyte Lysate (LAL) test is specifically designed to detect endotoxins, which are components found in the outer membrane of Gram-negative bacteria. This makes the identification of Gram-negative bacteria critical in contexts such as assessing the sterility of pharmaceuticals and medical devices, as the presence of endotoxins can indicate contamination and pose significant risks to patients.

Additionally, the LAL test is not suitable for detecting Gram-positive bacteria, as they do not possess endotoxins in the same manner that Gram-negative bacteria do. While aerobic and anaerobic bacteria can include various types of organisms, the LAL test's specificity for endotoxins means it is not assessing these classifications directly. Therefore, the most accurate choice is the detection of Gram-negative bacteria through the LAL test.

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Aerobic bacteria

Anaerobic bacteria

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