Vocab
Fill in the blank
Diseases
Gram Staining
Conclusion Questions
100
What is Microbiology?
A branch of biology dealing especially with microscopic forms of life
100
Mycobacterium _______________?
Tuberculosis
100
What does Disease mean?
A disorder of structure or function in a human, animal, or plant, especially one that produces specific signs or symptoms
100
What is Gram Staining?
A method for the differential staining of bacteria that involves fixing the bacterial cells to a slide and staining with crystal violet and iodine, then washing with alcohol, and counterstaining with safranin.
100
How can the spread of an infectious disease be reduced?
(Name a least 3)
-meds
-avoid contact
-wash hands
-sanitize
-avoid mucus membranes
200
What is it called when a microbial organism moves from one host to another?
Transmission
200
A ______ _______is usually one of the first steps in identifying bacteria
Gram stain
200
Inspection of lung secretions, blood or urine, biopsied lung tissue, and/or bone marrow is what disease?
Histoplasmosis
200
Who is gram staining named after?
Hans Christian Gram
200
What is the purpose of aseptic technique?
Preventing contamination and so people don't get sick.
300
What is an example of a Helminth?
A tapeworm, liver fluke, ascarid, or leech
300
There are six major types of infectious agents: ____________, Viruses, ______________,
____________, _____________, Helminths.
Bacteria, fungi, protozoa, and prions
300
Also called Treponema pallidum
Syphilis
300
Is this positive or negative?
Positive Gram Staining
300
How do biochemical tests help identify an unknown bacterial species?
Helps identify an unknown bacterial species by determining what growth media they grow on and identifying the end products of their metabolic processes
400
What is the Aseptic Technique?
A procedure performed under sterile conditions
400
There are three basic morphologies of bacteria:
_____________(Rod), _____________(Sphere), ____________(Spiral).
Bacillus, coccus, and spirillum
400
What disease causes damage to red blood cells which can cause serious and sometimes fatal complications. The disease is characterized by recurrent attacks with moderate to severe shaking chills, high fever, profuse sweating as the body temperature falls, headache, nausea, vomiting, and diarrhea?
Malaria
400
Gram Staining is based on what?
The ability of bacterial cell wall to retain the crystal violet dye
400
Whatis a colony?
a group of bacteria
500
What is a Prion?
Any of various infectious proteins that are abnormal forms of normal cellular proteins, that proliferate by inducing the normal protein to convert to the abnormal form, and that in mammals include pathogenic forms?
500
The identification of a bacterial species is based on many factors, including _______ and __________ _________, chemical composition of cell walls, ___________ _________, and nutritional requirements.
Cell and colony morphology, biochemical activities,
500
This disease is spread by consumption of food or water contaminated with feces from a person or animal with tapeworm or ingestion of larvae cysts in meat or muscle tissue of an animal with a tapeworm infection
Tape worm
500
How does the two types differ?
Gram-positive bacteria differ from Gram-negative bacteria in the structure of their cell walls. The cell walls of Gram-positive bacteria are made up of 20% more peptidoglycan, a polymer made of sugar and amino acids
500
Describe another way you might be able to identify specific bacteria
One might be able to identify specific bacteria is genetic testing and molecular testing