Understanding Diseases and the Immune System

What is the primary role of antibodies in the immune system?

• To produce red blood cells

• To recognize and neutralize infectious agents

• To transport oxygen throughout the body

• To digest food particles

Which of the following is a characteristic of viruses?

• They are single-celled organisms

• They are made of many cells

• They reproduce through binary fission

• They need a host cell to reproduce

How do bacteria reproduce?

• By binary fission

• Through spore formation

• By budding

• Through mitosis

Tags

NGSS.MS-LS3-2

What is a common method of preventing viral diseases?

• Exercising regularly

• Using antibiotics

• Vaccination

• Increasing sugar intake

Which of the following is NOT a way that viruses can be transmitted?

• Human contact

• Water

• Photosynthesis

• Insect bite

What is a key difference between bacteria and viruses?

• Bacteria are nonliving particles

• Bacteria are single-celled organisms

• Viruses can reproduce on their own

• Viruses are made of many cells

Why is antibiotic resistance a growing concern?

• Antibiotics are becoming more expensive

• Mutant bacteria survive treatments and spread

• Antibiotics are no longer produced

• Bacteria are becoming larger

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

What is the role of white blood cells in the immune system?

• To digest food

• To transport nutrients

• To fight infections

• To produce antibodies

How do fungi reproduce?

• Through binary fission

• Only asexually

• Only sexually

• Both sexually and asexually

Tags

NGSS.MS-LS3-2

What is a characteristic of parasites?

• They feed on a host

• They reproduce through binary fission

• They are nonliving particles

• They are made of many cells