Identifying Bacteria on Your Hands Quiz

Which bacteria is known for causing skin infections and food poisoning?

• Micrococcus luteus

• Bacillus subtilis

• Staphylococcus aureus

• Staphylococcus epidermidis

What is the appearance of Escherichia coli colonies?

• Large, irregular, white or cream-colored colonies

• Bright yellow, small, round colonies

• Medium-sized, pinkish or beige colonies

• Greenish or bluish colonies

Which bacteria is commonly found in soil and produces enzymes that break down organic matter?

• Escherichia coli

• Bacillus subtilis

• Pseudomonas aeruginosa

• Streptococcus pyogenes

Which bacteria is an opportunistic pathogen that can cause infections in wounds or lungs?

• Streptococcus pyogenes

• Micrococcus luteus

• Pseudomonas aeruginosa

• Staphylococcus epidermidis

What is the role of Staphylococcus epidermidis on the skin?

• Helps protect against harmful bacteria

• Produces toxins that damage tissues

• Causes severe diarrhea

• Causes strep throat

Which bacteria is known for causing strep throat and potentially severe diseases like scarlet fever?

• Escherichia coli

• Staphylococcus aureus

• Streptococcus pyogenes

• Bacillus subtilis

Which bacteria is part of the normal skin flora and generally harmless?

• Pseudomonas aeruginosa

• Streptococcus pyogenes

• Micrococcus luteus

• Escherichia coli

Strep throat is caused by 

• bacteria
• virus

Which of the following is the example of Normal Flora on the skin?

I-Staphylococcus epidermidis

II-Staphylococcus aureus

III-Escherichia coli

IV-Neisseria meningitides

• I, ii, III, IV

• I & II

• I, II, III

• I & IV

How many antibiotics does this bacteria seem to be resistant to?

• 2

• 3

• All of them

• None of them