PRC-NOTES_3MT_P5

Bacillus spp. are gram-positive bacilli that form spores in what manner?

• Aerobic
• Anaerobic

Clostridium spp. are gram-positive bacilli that form spores in what manner?

• Aerobic
• Anaerobic

Bacillus spp.

• Catalase positive
• Catalase negative

Clostridium spp.

• Catalase positive
• Catalase negative

string of pearl appearance

• Mueller Hinton Agar
• Blood Agar Plate
• Loeffler's serum slope
• Castaneda bottle

bamboo pole arrangement; medusa head colonies

• Mueller Hinton Agar
• Blood Agar Plate
• Columbia Nalidixic Agar
• Cycloserine Cefoxitin Fructose Agar (CCFA)

Clostridium difficile are cultured in..

• Mueller Hinton Agar (MHA)
• Blood Agar Plate (BAP)
• Columbia Nalidixic Agar (CNA)
• Cycloserine Cefoxitin Fructose Agar (CCFA)

Bacillus anthracis

• Catalase positive
• Catalase negative

Bacillus cereus

• Catalase positive
• Catalase negative

What is the concentration of hydrogen peroxide in catalase test?

• 30% hydrogen peroxide
• 3% hydrogen peroxide
• 0.3% hydrogen peroxide
• 300% hydrogen peroxide