F3 Disease & Immunity

What is the job of the immune system?

• To protect your body from drugs and medicine
• To protect your body from air and water
• To protect your body from pathogens
• To protect your body from itself

What is one of the ways that antibiotics work?

• They interrupt the metabolism of bacteria with cell walls

• They can stop viruses from reproducing

• They stop toxins from poisoning the tissues of hosts

• They engulf the pathogens

Viruses...

• use a host to reproduce
• breath oxygen
• grow
• eat food

Superbugs are deadly. But what are they?

• Bugs that take after superman
• Bacteria that have developed resistance to antibiotics by mutation
• A certain illness that causes severe headaches and possibly death to its victims
• A virus that has developed resistance to antibiotics by mutation

Tags

NGSS.MS-LS3-1

Which is most often used to destroy bacteria?

• fungus

• vitamin

• vaccine

• antibiotic

A bacterial cholera outbreak in the 1800s was spread by drinking water contaminated with ___________________.

• industrial waste

• pesticides

• sewage

• Giardia

Why are viruses considered to be nonliving organisms?

• They do not have genetic information.

• They are not able to move on their own.

• They do not interact with their environment.

• They are not able to reproduce without a host cell.

Cells that engulf and digest pathogens are

• plasma cells

• phagocytic cells

• helper T cells

• antibodies

What do lymphocytes produce?

• antigens

• macrophages

• T cells

• antibodies

What is an example of active immunity?

• Antibodies passed from the mother to fetus across the placenta

• Antibodies produced by another organism and injected to protect against a disease

• Antibodies passed from the mother in colostrum during breastfeeding

• Antibodies produced after the defence mechanisms have been stimulated by antigens