question
E. coli morphology
answer
Gram – rods, fimbriae for attachment. Some strains are normal microbiota of the intestinal tract. Infection is acquired following exposure to infected stool.
question
Mycobacterium tuberculosis morphology
answer
acid-fast rod. Strict aerobe. Transmitted by inhaling airborne organisms from an infected person.
question
Mycoplasma pneumoniae morphology
answer
No cell wall (pleomorphic). Aerobic organism spread by aerosolized droplets of respiratory secretions.
question
Staphylococcus aureus morphology
answer
Gram + coccus clusters, salt-tolerant (halotolerant).
question
Streptococcus pneumonia morphology
answer
Gram + encapsulated diplococcus organism.
question
Streptococcus pyogenes morphology
answer
Gram + coccus chains.
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