IAHCSMM CRCST 8TH EDITION - CRCST
Final Flashcard Review Questions & 100%
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Microbiology
✓ -:- The study of microorganisms. The science which treats the nature, life and
action of microorganisms.
Me
✓ -:- Him
Contamination
✓ -:- The state of being soiled or infected by contact with infectious organisms or
other material
Microns
✓ -:- A unit of measurement; 1/1000 of a millimeter or 1/25,000 of an inch; usually
designated by the Greek letter "u".
Protoplasm
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✓ -:- Describes all living materials in a cell. A thick mucous-like substance that is
colorless and translucent that forms the biochemical basis of life within the cell
nucleus.
Components of a cell
✓ -:- cell wall, cell membrane, cytoplasm, capsule, flagella, nucleus
Phagotization
✓ -:- The process by which some cells can ingest bacteria or other foreign particles.
(process where white blood cells in the human body destroy bacteria by engulfing
them).
Cytoplasm
✓ -:- The living matter of a cell between the cell's membrane and nucleus.
Nucleus
✓ -:- The functional center of a cell that governs activity and heredity.
DNA
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✓ -:- Deoxyribonucleic Acid. The protein found in the chromosomes of a cell nucleus
which is the basis of heredity..
Cell wall
✓ -:- A tough rigid structure that helps maintain the cell's shape.
Cell membrane
✓ -:- This layer is located just beneath the cell wall which is semi-permeable.
Capsule
✓ -:- A mucus material that protects the bacteria from the host cells that try to
destroy it.
Flagella
✓ -:- Thread-like tails attached to the cell that enable the bacteria to move through
liquids.
Acid-fast bacteria
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✓ -:- Mycobacterium tuberculosis (which causes tuberculosis) and Mycobacterium
leprae (which cause leprosy).
Spore
✓ -:- Microrganisms capable of forming a thick wall around themselves enabling them
to survive in adverse conditions; a resistant form of bacterium.
Chlorophyll
✓ -:- A molecule in plants that absorbs sunlight, and converts it to energy in a process
called photosynthesis.
Aerobic bacteria
✓ -:- Capable of growing in the presence of free oxygen. Requiring oxygen.
Anaerobic bacteria
✓ -:- Capable of growing in the absence of free oxygen. Not requiring oxygen.
Psychrophiles (bacteria)
✓ -:- Cold-loving bacteria (59-68 degrees F)
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