Microbiology Culture and sensitivity Flashcards
What is microbiology?
The study of microorganisms, including bacteria, viruses, fungi, and protozoa.
What is culture and sensitivity?
A laboratory test to determine the presence of microorganisms and their sensitivity to antibiotics.
What is streaking in microbiology?
A technique used to isolate a specific microorganism from a mixture using selective and differential media.
What are bacterial shapes?
Bacteria can be classified by their shapes, such as cocci (spherical), bacilli (rod-shaped), and spirilla (spiral).
What is a Gram stain?
A method of staining bacterial cells to classify them as Gram-positive or Gram-negative based on cell wall composition.
What are colonies in microbiology?
Visible clusters of microorganisms that arise from a single cell, often characterized by classic morphology and growth on media like EMB or 5% sheep blood, which indicates hemolysis.
What are bacterial cell structures?
Components of bacterial cells, including the cell wall, membrane, cytoplasm, and organelles.
What is COVID PCR?
A molecular test used to detect the presence of the SARS-CoV-2 virus by amplifying its RNA.