CNT3-2 Unit 5 - Lesson 3

A disease outbreak that spreads across many countries and affects the whole world is a _______.

• pandemic
• epidemic
• vaccination
• complication

Answer explanation

A pandemic is a large-scale epidemic that spreads across continents or worldwide.

A disease that can be passed easily from one person to another is called _______.

• contagious
• inconvenient
• vaccinated
• immune

Answer explanation

A "contagious" disease is one that is transmissible by direct or indirect contact.

What is the goal of a vaccination?

• To prevent a disease.
• To treat a disease.
• To quarantine sick people.
• To cause a complication.

Answer explanation

A vaccination makes a person immune so they are protected from getting a disease in the future.

A disease that is widespread in a local area or region, but not worldwide, is an _______.

• epidemic
• pandemic
• inconvenience
• treatment

Answer explanation

An epidemic is a widespread occurrence of an infectious disease in a community at a particular time.

If a disease has been _______, it has been completely eliminated from the world.

• eradicated
• vaccinated
• quarantined
• infected

Answer explanation

To "eradicate" a disease means to destroy it completely and put an end to it.

In 1796, who discovered a safe way to make people immune to smallpox?

• Edward Jenner
• A Chinese doctor
• An Egyptian
• A Byzantine emperor

Answer explanation

The article credits Edward Jenner with the discovery of a safe vaccination method using cowpox in 1796.

The practice of separating sick people from healthy people to prevent a disease's spread is called _______.

• quarantining
• vaccinating
• inoculating
• treating

Answer explanation

"Quarantining" is a public health measure that involves isolating sick people.

According to the text, what can measles sometimes cause?

• Life-threatening complications
• A worldwide pandemic
• A cure for smallpox
• Long-term ill effects for everyone

Answer explanation

The text states that diseases like measles "can cause life-threatening complications."

When your body is protected from a disease and cannot get it, you are _______.

• immune
• infected
• contagious
• inoculated

Answer explanation

To be "immune" means to be resistant to a particular infection.

The article says that early _______ with smallpox was dangerous because it could give people the disease.

• inoculation
• vaccination
• quarantining
• social distancing

Answer explanation

The text explains that inoculation with the actual smallpox virus was risky.