Chapter 3 SS coursebook

Which type of food best supports the growth of bacteria?

• Fats

• Sugars

• Starches

• Proteins

Which food best supports the growth of bacteria?

• Butter

• Cooked rice

• Loaf of bread

• Chocolate cake

Bacteria grows best at which pH level?

• 0

• 2

• 7

• 12

Which food has the most available moisture for bacteria to grow?

• Food with an a_w of 0.0

• Food with an a_w of 0.2

• Food with an a_w of 0.5

• Food with an a_w of 1.0

Is vacuum-packed food safe from the growth of bacteria?

• Yes, because the vacuum always destroys bacteria.

• Yes, because all bacteria need oxygen to grow.

• No, because bacteria can grow without oxygen.

• No, because the vacuum increases the food’s water activity.

What are the two conditions for bacterial growth that you can control?

• Oxygen and acidity

• Acidity and moisture

• Temperature and moisture

• Time and temperature

What is the temperature range of the temperature danger zone?

• 0°F to 41°F (-18°C to 5°C)

• 31°F to 60°F (-1°C to 16°C)

• 41°F to 135°F (5°C to 57°C)

• 60°F to 165°F (16°C to 74°C)

In what temperature range does bacteria grow most rapidly?

• 0°F to 38°F (-18°C to 3°C)

• 41° to 65°F (5°C to 18°C)

• 70° to 125°F (21°C to 52°C)

• 126°F to 165°F (54°C to 74°C)

Which food is in the temperature danger zone?

• Meat received at 40°F (4°C)

• Chicken stored at 45°F (7°C)

• Soup held at 140°F (60°C)

• Chili cooked to 165°F (74°C)

Jaundice is a symptom of which foodborne illness?

• Shigellosis

• Hepatitis A

• Hemorrhagic colitis

• Norovirus