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Communicable Diseases and Pathogens Quiz

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following best defines a communicable disease?

a)

A condition that is spread between people, animals, or objects

b)

A disease that cannot be transmitted

c)

A genetic disorder passed from parents to children

d)

A condition caused by lack of nutrients

2.

Which of the following is NOT one of the four main types of pathogens?

a)

Algae

b)

Virus

c)

Bacteria

d)

Fungi

3.

Which disease is caused by a protozoa?

a)

Malaria

b)

Chicken Pox

c)

Athlete’s Foot

d)

Whooping Cough

4.

Explain how a protozoa causes illness in a human body.

a)

It attaches to a healthy cell and robs it of all nutrients

b)

It releases toxins into the bloodstream

c)

It multiplies only outside the body

d)

It causes allergic reactions

5.

A student shares a water bottle with a friend who is sick. Which type of disease transmission is this an example of, and why?

a)

Indirect contact, because the disease is spread by sharing contaminated items

b)

Direct contact, because the disease is spread by touching

c)

Airborne transmission, because the disease is spread through the air

d)

Vector transmission, because the disease is spread by insects

6.

What is the epidemiological triangle?

a)

A model that explains how the three factors of disease development interact (host, agent, environment).

b)

A triangle used to measure body temperature.

c)

A method for calculating population growth.

d)

A tool for diagnosing genetic disorders.

7.

Which of the following is a healthy habit that helps you stay safe from illness?

a)

Eat a balanced diet, bathe daily with soap, avoid tobacco/vape/alcohol/drugs, get 7-10 hours of sleep every night, rest when you are sick, get check-ups at the doctor regularly.

b)

Skip meals and avoid exercise.

c)

Only wash your hands once a week.

d)

Share food and drinks with others.

8.

How do vaccines stop disease transmission in populations?

a)

Herd immunity

b)

By making everyone sick first

c)

By causing the disease to mutate

d)

By increasing the contagious period

9.

What does HIV stand for?

a)

Human Immunodeficiency Virus

b)

Human Infectious Vaccine

c)

Health Immunity Vector

d)

Human Immune Variation

10.

A student is planning a health campaign to reduce the spread of sexually transmitted infections (STIs) in their school. Which strategy would be most effective based on what you have learned?

a)

Promoting abstinence as the only way to fully prevent getting an STI

b)

Encouraging students to share personal items

c)

Telling students to avoid all physical contact

d)

Suggesting students only wash their hands after meals

11.

Which of the following best defines a noncommunicable disease?

a)

A disease that can be spread from person to person

b)

A disease that cannot be spread from person to person

c)

A disease caused by bacteria or viruses

d)

A disease that only affects children

12.

What are the three main risk factors for noncommunicable diseases?

a)

Heredity, lifestyle choices, environmental factors

b)

Bacteria, viruses, fungi

c)

Age, gender, race

d)

Exercise, sleep, hydration

13.

Which of the following is NOT a way HIV can be spread from mother to child?

a)

During pregnancy

b)

During birth

c)

Through breastfeeding

d)

Through skin-to-skin contact

14.

Explain the progression of HIV to AIDS. Which of the following steps happens LAST?

a)

HIV attacks T-cells and replaces the cell’s genetic material with its own

b)

The mutated T-cells multiply and take over

c)

The count of T-cells drops so low that the immune system cannot protect the body (AIDS has developed)

d)

The immune system becomes stronger

15.

Which of the following is a common treatment option for cancer?

a)

Antibiotics

b)

Surgery

c)

Physical therapy

d)

Vitamin supplements

16.

What does the "C" in CAUTION stand for when identifying warning signs of cancer?

a)

Change in bowel and bladder habits

b)

Chronic fatigue

c)

Chest pain

d)

Coughing blood

17.

Explain how chemotherapy works to fight cancer.

a)

Powerful medicines are used to destroy cancer cells that have spread throughout the body

b)

Surgery is performed to remove cancer cells

c)

Radiation is used to shrink tumors

d)

Chemotherapy only relieves pain, not cancer

18.

What is the difference between a heart attack and cardiac arrest?

a)

Heart attack is when blood flow to the heart slows or stops, cardiac arrest is when an irregular heartbeat causes blood flow through the arteries throughout the body to stop

b)

Heart attack is caused by high blood pressure, cardiac arrest is caused by low blood pressure

c)

Heart attack only affects older people, cardiac arrest affects young people

d)

Heart attack is less serious than cardiac arrest

19.

List the three main risk factors for osteoarthritis.

a)

Age, heredity, and being overweight

b)

Smoking, alcohol, and lack of exercise

c)

High cholesterol, diabetes, and stress

d)

Poor diet, dehydration, and infection

20.

What is the difference between Type 1 and Type 2 Diabetes?

a)

Type 1 is when the immune system attacks insulin-producing cells in the pancreas, Type 2 is when the body cannot effectively use the insulin it produces

b)

Type 1 is caused by eating too much sugar, Type 2 is caused by lack of exercise

c)

Type 1 only affects children, Type 2 only affects adults

d)

Type 1 is temporary, Type 2 is permanent