Infectious vs Non-infectious, Epidemic vs Pandemic, & Vector

An organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another.

• bacteria
• virus
• vector
• pathogen

Epidemic measles outbreaks were once common, but their occurrence has greatly diminished. Which best explains this?

• Children receive immunity to the measles virus from their mothers.
• The measles virus has largely been removed from the environment.
• The measles vaccine has greatly reduced the number of viral infections.
• Increased hand washing has greatly reduced the spread of the measles virus.

Tags

NGSS.HS-ETS1-3

NGSS.HS-LS4-5

How can the rate of an infectious disease be drastically reduced?

• by taking medication daily
• by preventing transmission between people
• by wearing clean clothing daily
• by performing dental hygiene three times each day

Which term refers to the spread of disease across a large region or sometimes worldwide?

• antibiotic
• epidemic
• pandemic
• pathogenic

• Epidemic
• Pandemic

Which is the BEST way to prevent the flu from becoming a pandemic?

• getting a vaccination
• taking antibiotics
• eating fruits and vegetables
• washing hands often

a disease caused by a virus, bacterium, fungus, or protist that is spread form an infected organism or the environment to another organism

• microorganism

• infectious disease

• pathogen

• pasteurization

Joseph Lister was one of the first surgeons to identify the cause of and reduce the spread of infectious diseases among his patients. What techniques did he develop to achieve this?

• He refused to touch any of his patients.
• He washed his hands and surgical tools.
• He quarantined all patients with bacterial infections.
• He stopped changing the patients' bandages so often.

Which of the following is NOT responsible for causing infectious diseases?

• White Blood Cells
• Bacteria
• Fungi
• Viruses

What is the job of the immune system?

• To help you breathe
• To circulate blood throughout your body
• To fight against disease
• To send messages throughout the body