Dental Nursing Microbiology Unit 305
Exam
Microbiology - Correct Answer-The study of microorganisms
4 main groups of microorganisms - Correct Answer-Bacteria (spores), virus, fungi and
prions.
Disease - Correct Answer-Invasion of the body's tissue
Disease leads to - Correct Answer-An inflammatory response
Bacteria - Correct Answer-Microscopic single cell organisms, where the rigid outer walls
determine its shape. Survive as spores when conditions are unfavourable.
Bacilli - Correct Answer-Rod shaped
Lacto baccilli - Correct Answer-Rounded ends
Bacilli fusiformis - Correct Answer-Pointed ends
Cocci - Correct Answer-Circular shaped
Staphylococci - Correct Answer-Live in clusters
Streptococci - Correct Answer-Live in chains
Spirochaetes - Correct Answer-Spiral shaped (like a helix)
Legionnaires disease - Correct Answer-Caused by the bacteria legionella
Caries - Correct Answer-Caused by the bacteria streptococcus mutans which causes
early delay and sore throat.
And lactobacilli which causes later delay
Periodontal disease - Correct Answer-Caused by the bacteria's actinomyces,
porphyromonas gingivalis, prevotella intermedia and treponema denticola.
Acute necrotising ulcerative gingivitis (ANUG) - Correct Answer-Caused by the
bacteria's Bacilli fusiformis, boriella vincenti (spirochaete) and treponema lincenti.
Gumboils - Correct Answer-Caused by the bacteria's staphylococci and streptococci.
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