Bio 265 - Clinical Specimens from the Respiratory Tract

Flashcards covering key terms and concepts related to clinical specimens from the respiratory tract, specifically focused on Haemophilus and related genera.

Haemophilus species

A genus of bacteria known for causing respiratory infections.

Oxidase test

A test used to determine if a bacterium produces cytochrome c oxidase.

Satellitism

A phenomenon in which one type of bacteria requires the growth factors produced by another type.

Chocolate agar

A type of agar used to grow fastidious bacteria; enriched with hemoglobin.

Catalase test

A test to determine whether an organism produces the enzyme catalase.

Bacitracin sensitivity

A test used to identify Streptococcus pyogenes based on its susceptibility to bacitracin.

Mannitol fermentation

The ability of bacteria to ferment mannitol as a carbohydrate source.

Coagulase test

A test to determine if a bacterium produces the enzyme coagulase, used to identify Staphylococcus aureus.

Optochin test

A test used to differentiate Streptococcus pneumoniae from other alpha-hemolytic streptococci.

BSL-1

Biosafety Level 1: Low-risk organisms that do not cause disease in healthy humans.

BSL-2

Biosafety Level 2: Moderate-risk organisms that can cause disease in humans.