Immune Sytem

Diseases such as cancer and heart disease are not considered to be infectious diseases because they are

• too serious to be caused by germs

• caused by viruses rather than bacteria

• not passed from one person to another

• unlikely to run in families

Which of the following best describes Koch's postulates?

• procedures that describe how to isolate a pathogen

• hypotheses that suggest germs are communicable

• conditions that prove that a pathogen causes a disease

• techniques that prevent transmission of pathogens

Which of the following could transfer a pathogen that spreads by direct contact only?

• kissing an infected person

• getting bitten by an infected mosquito

• touching an infected door knob

• breathing in an airborne pathogen

Mosquitoes infected with the protozoa that cause malaria can infect people with the protozoa through a mosquito bite. These mosquitoes are examples of

• virues

• pathogens

• parasites

• vectors

Which of the following prevents pathogens from ever entering the body?

• sneezing

• immunity

• antibodies

• skin

The white blood cells that engulf pathogens that are inside of the body are

• lymphocytes

• interferons

• phagocytes

• T cells

Which cells work to destroy body cells infeted by a pathogen?

• T cells

• B cells

• Basophils

• Phagocytes

The type of immunity that is produced in response to a specific pathogen infecting your body is called

• genetic immunity

• inherited immunity

• active immunity

• passive immunity

Identify the basic function of the specific immune response.

. Identify the medication used to kill or slow the growth of bacteria

• Antibiotics
• Antibodies
• Medical supplementation
• Herbal remedies