Bacteria

Question 1

What is the classification of bacteria

Answer 1

The size (1 to 20 μm or larger), shape (spheres [cocci], rods, or spirals), and spatial arrangement (single cells, pairs, chains, or clusters) of the cells, as well as specific growth properties (e.g., aerobic [require oxygen], anaerobic [cannot grow in presence of oxygen], or facultative anaerobes [grow in presence or absence of oxygen]) are used for the preliminary classification of bacteria.

Question 2

Where are aerobic gram-positive cocci located

Answer 2

Mouth, GI tract, Genitourinary tract and skin surface

Question 3

List the aerobic gram-positive bacteria

Answer 3

Staphylococcus= clustered in groups like grapes

Streptococcus= pairs or chains

Enterococcus= single, pairs or short chains

Question 4

Why can staphylococcus,

Streptococcus and Enterococcus grow on dry surfaces

Answer 4

This is due to their cell wall being cross-linked and thick

Question 5

How do you detect these bacteria

Answer 5

The use of nucleic acid amplification tests

Question 6

List the classification of Streptococci

Answer 6

Hemolytic pattern,

Question 7

1. Morphology of the pathogen and the transmission route of meningitis.
2. Clinical symptoms and laboratory diagnosis of diseases caused by staphylococci.

Answer 7

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