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0002: Infectious Diseases: Types and Causes

Total questions: 99

Worksheet time: 50mins

Name
Class
Date
1.

What are infectious diseases? Infectious diseases are illnesses caused by ________ that can spread from person to person, animal to person, or through the environment.

a)

pathogenic microorganisms

b)

vitamins

c)

genetic mutations

d)

physical injuries

2.

Match the pathogen type to its correct example of disease:

a)

Bacteria

1.

Strep throat, tuberculosis, gonorrhea

b)

Viruses

2.

Influenza, COVID-19, HIV/AIDS, hepatitis, HPV

c)

Fungi

3.

Athlete's foot, ringworm, candidiasis

3.

Which of the following is a description of bacteria?

a)

Non-living particles; antibiotics don’t work, but vaccines often help prevent

b)

Single-celled organisms; many are treated with antibiotics

c)

Organisms that thrive in moist areas; may be treated with antifungals

4.

Viruses are ________; antibiotics don’t work, but vaccines often help prevent.

a)

non-living particles

b)

bacteria

c)

living organisms

d)

fungi

5.

Which type of pathogen causes diseases that may be treated with antifungals and thrive in moist areas?

a)

Fungi

b)

Bacteria

c)

Viruses

d)

Protozoa

6.

What type of organism is responsible for malaria, lice, and giardiasis?

a)

Parasites

b)

Viruses

c)

Bacteria

d)

Fungi

7.

Creutzfeldt–Jakob disease (CJD) is caused by which type of infectious agent?

a)

Prions

b)

Bacteria

c)

Viruses

d)

Fungi

8.

Which of the following is an example of direct contact transmission?

a)

Sharing needles

b)

Kissing

c)

Touching contaminated surfaces

d)

Coughing

9.

Which transmission mode involves touching contaminated surfaces such as doorknobs or gym equipment with MRSA?

a)

Indirect Contact

b)

Airborne Transmission

c)

Vector-borne Transmission

d)

Direct Inoculation

10.

Coughing, sneezing, and talking (e.g., flu, COVID-19) are examples of which transmission mode?

a)

Droplet

b)

Vector-borne

c)

Fomite

d)

Foodborne

11.

Tiny particles that linger in the air (e.g., tuberculosis, measles) are associated with which transmission mode?

a)

Airborne

b)

Contact

c)

Vector-borne

d)

Fomite

12.

Malaria via mosquitoes and Lyme via ticks are examples of which transmission mode?

a)

Vector-Borne

b)

Airborne

c)

Direct Contact

d)

Foodborne

13.

Contaminated food or water (e.g., hepatitis A, E. coli) is an example of which transmission mode?

a)

Fecal-Oral Route

b)

Airborne Transmission

c)

Vector-Borne Transmission

d)

Direct Contact

14.

Sharing needles and transfusions (e.g., HIV, hepatitis B & C) are examples of which transmission mode?

a)

Bloodborne

b)

Airborne

c)

Vector-borne

d)

Fecal-oral

15.

Which of the following is a systemic symptom often seen in diseases?

a)

Rash

b)

Fever

c)

Cough

d)

Sore throat

16.

Which of the following is a systemic symptom often seen in diseases?

a)

Fatigue

b)

Rash

c)

Sore throat

d)

Swelling

17.

One of the symptoms of infectious diseases is _________.

a)

Muscle aches

b)

Improved vision

c)

Increased appetite

d)

Faster heart rate

18.

One of the symptoms of infectious diseases is _________.

a)

Chills

b)

Headache from dehydration

c)

Broken bone

d)

Sunburn

19.

One of the symptoms of infectious diseases is _________.

a)

Loss of appetite

b)

Increased intelligence

c)

Sudden hair color change

d)

Ability to fly

20.

One of the symptoms of infectious diseases is _________.

a)

Sore throat

b)

Broken bone

c)

Hair growth

d)

Improved vision

21.

One of the symptoms of infectious diseases is _________.

a)

Cough

b)

Headache

c)

Broken bone

d)

Sunburn

22.

One of the symptoms of infectious diseases is _________.

a)

Diarrhea

b)

Headache from loud music

c)

Improved vision

d)

Increased height

23.

One of the symptoms of infectious diseases is _________.

a)

Skin rash

b)

Broken bone

c)

Tooth cavity

d)

Sprained ankle

24.

One of the symptoms of infectious diseases is _________.

a)

Swollen lymph nodes

b)

Increased hair growth

c)

Improved vision

d)

Rapid nail growth

25.

One of the symptoms of STIs is _________.

a)

Pain or discharge

b)

Increased appetite

c)

Improved vision

d)

Rapid hair growth

26.

One method of prevention and control of infectious diseases is _________

a)

Vaccination

b)

Skipping meals

c)

Ignoring symptoms

d)

Overusing antibiotics

27.

One method of prevention and control of infectious diseases is _________

a)

Hand hygiene

b)

Skipping meals

c)

Ignoring symptoms

d)

Sharing personal items

28.

One method of prevention and control of infectious diseases is _________

a)

Safe sex practices

b)

Ignoring symptoms

c)

Sharing needles

d)

Consuming contaminated water

29.

One method of prevention and control of infectious diseases is _________

a)

Food safety

b)

Ignoring symptoms

c)

Sharing utensils

d)

Skipping vaccinations

30.

One method of prevention and control of infectious diseases is _________

a)

Stay home when sick

b)

Share personal items

c)

Ignore symptoms

d)

Avoid washing hands

e)

Eat spoiled food

31.

One method of prevention and control of infectious diseases is _________

a)

Use of PPE (masks, gloves)

b)

Skipping hand washing

c)

Sharing personal items

d)

Ignoring vaccination

32.

One method of prevention and control of infectious diseases is _________

a)

Health screenings and referrals

b)

Ignoring symptoms

c)

Sharing personal items

d)

Skipping vaccinations

e)

Consuming contaminated food

33.

Which of the following diseases is caused by a virus and spreads primarily through respiratory droplets?

a)

Strep throat

b)

Tuberculosis

34.

Which of the following is an example of a disease caused by a virus?

a)

Strep throat

b)

Malaria

c)

Influenza

d)

Athlete’s foot

35.

What are the types of pathogens listed in the chart?

a)

Bacteria, viruses, fungi, parasites, prions

b)

Bacteria, plants, animals, fungi, viruses

c)

Viruses, algae, protozoa, bacteria, insects

d)

Fungi, bacteria, viruses, mammals, reptiles

36.

Name two modes of transmission for diseases according to the chart.

a)

Direct and indirect

b)

Eating fruits and vegetables

c)

Wearing warm clothes and drinking water

d)

Sleeping early and exercising

37.

Summary Chart: Which of the following is NOT listed as a common disease in the chart?

a)

Cold

b)

HIV

c)

Diabetes

d)

Hepatitis

38.

List two symptoms of diseases as mentioned in the chart.

a)

Fever, chills, cough, sore throat, fatigue, rash, diarrhea (any two)

b)

Headache, toothache, blurred vision, hair loss (any two)

c)

Back pain, muscle cramps, nosebleed, dry mouth (any two)

d)

Swollen ankle, ear ringing, brittle nails, sneezing (any two)

39.

What are two prevention methods for diseases according to the chart?

a)

Handwashing and vaccines

b)

Ignoring symptoms and self-medicating

c)

Sharing personal items and avoiding exercise

d)

Eating spoiled food and skipping vaccinations

40.

Noninfectious diseases are not caused by pathogens such as bacteria or viruses.

a)

True

b)

False

41.

What is a key characteristic of chronic diseases?

a)

They are contagious

b)

They last for a long time (often lifelong or for years)

c)

They progress quickly

d)

They are always curable

42.

Chronic diseases are often caused by ______, lifestyle, environmental exposures, or aging.

a)

genetics

b)

medication

c)

exercise

d)

hydration

43.

Chronic diseases are typically not curable but manageable.

a)

True

b)

False

44.

Which of the following is NOT a sign or symptom of Cardiovascular Disease (CVD)?

a)

Chest pain (angina)

b)

Shortness of breath

c)

Numbness (stroke)

d)

Skin rash

45.

Which types of cancer are included under the category of cancer according to the worksheet?

a)

Lung, breast, colon, skin, prostate, leukemia

b)

Only lung and breast

c)

Only skin and prostate

d)

Only leukemia

46.

What are some signs and symptoms of cancer?

a)

Unusual lumps, unexplained weight loss, fatigue, changes in skin or bowel habits, bleeding

b)

Mild headache after exercise, improved vision, increased appetite, frequent laughter

c)

Sudden increase in height, stronger nails, better memory, improved sleep

d)

Temporary hair color change, enhanced taste, increased energy, glowing skin

47.

What is a key characteristic of cancer?

a)

Uncontrolled cell growth, hundreds of types, early detection improves survival

b)

Cells stop dividing and die quickly

c)

It is always caused by bacteria

d)

It only affects older adults

48.

Type 1 diabetes is often diagnosed in which group and is caused by what?

a)

Autoimmune, often diagnosed in youth

b)

Genetic, often diagnosed in elderly

c)

Lifestyle, often diagnosed in middle-aged adults

d)

Infectious, often diagnosed in infants

49.

Type 2 diabetes is most commonly related to which factors?

a)

Obesity, poor diet, inactivity; most common form

b)

Genetic disorders only

c)

Viral infections in childhood

d)

Excessive protein intake

50.

What is the main cause of diabetes (both type 1 and type 2)?

a)

Body does not produce or respond to insulin properly

b)

Excessive physical activity

c)

High intake of vitamins

d)

Overproduction of red blood cells

51.

Which of the following is NOT a sign or symptom of diabetes?

a)

Frequent urination

b)

Excessive thirst

c)

Joint pain

d)

Blurred vision

52.

What are the key characteristics of unmanaged diabetes?

a)

Leads to heart disease, kidney damage, vision loss if unmanaged

b)

Improves immune system function

c)

Causes rapid weight gain and increased energy

d)

Results in stronger bones and muscles

53.

Which types of arthritis are included under the term 'arthritis'?

a)

Osteoarthritis, rheumatoid arthritis, gout

b)

Asthma, bronchitis, pneumonia

c)

Diabetes, hypertension, anemia

d)

Tuberculosis, malaria, dengue

54.

What are common causes of arthritis?

a)

Aging, joint injury, autoimmune factors, obesity

b)

Excessive vitamin C intake, high altitude, frequent swimming

c)

Lack of sleep, drinking cold water, reading in dim light

d)

Frequent haircuts, wearing tight shoes, eating spicy food

55.

What is the most common disability in adults that affects daily functioning and quality of life?

a)

Arthritis

b)

Asthma

c)

Diabetes

d)

Hearing loss

56.

What is Asthma?

a)

Chronic lung condition; causes wheezing, breathlessness; triggered by allergens, exercise, cold air

b)

Caused mainly by smoking; includes chronic bronchitis and emphysema

c)

Neurodegenerative condition causing memory loss and cognitive decline

d)

Weakening of bones; increased fracture risk, especially in older women

57.

What is Chronic Obstructive Pulmonary Disease (COPD)?

a)

Chronic lung condition; causes wheezing, breathlessness; triggered by allergens, exercise, cold air

b)

Caused mainly by smoking; includes chronic bronchitis and emphysema

c)

Neurodegenerative condition causing memory loss and cognitive decline

d)

Chronic condition linked to diet, activity, environment; increases risk for many other diseases

58.

What is Alzheimer's disease?

a)

Weakening of bones; increased fracture risk, especially in older women

b)

Neurodegenerative condition causing memory loss and cognitive decline

c)

Chronic condition linked to diet, activity, environment; increases risk for many other diseases

d)

Caused mainly by smoking; includes chronic bronchitis and emphysema

59.

What is Osteoporosis?

a)

Weakening of bones; increased fracture risk, especially in older women

b)

Chronic lung condition; causes wheezing, breathlessness; triggered by allergens, exercise, cold air

c)

Neurodegenerative condition causing memory loss and cognitive decline

d)

Chronic condition linked to diet, activity, environment; increases risk for many other diseases

60.

What is Obesity?

a)

Chronic lung condition; causes wheezing, breathlessness; triggered by allergens, exercise, cold air

b)

Caused mainly by smoking; includes chronic bronchitis and emphysema

c)

Chronic condition linked to diet, activity, environment; increases risk for many other diseases

d)

Weakening of bones; increased fracture risk, especially in older women

61.

Tobacco use is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

62.

Poor diet is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

63.

Lack of physical activity is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

64.

Excessive alcohol use is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

65.

Stress is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

66.

Age is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

67.

Gender is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

68.

Genetics/family history is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

69.

Ethnicity is a:

a)

Modifiable (behavioral) risk factor

b)

Non-Modifiable risk factor

70.

Which of the following is a noninfectious chronic disease that can often be prevented through physical activity and a balanced diet?

a)

Influenza

b)

Type 2 Diabetes

c)

Hepatitis B

d)

Lyme disease

71.

Cardiovascular disease is caused by _________.

a)

Lifestyle + genetics

b)

Only bacteria

c)

Only viruses

d)

Only exercise

72.

Cancer is caused by _________.

a)

Genetics + environmental

b)

Only bacteria

c)

Lack of exercise only

d)

Viral infections only

73.

Diabetes Type 1 is caused by _________; Type 2 is caused by _________.

a)

Type 1: autoimmune; Type 2: lifestyle

b)

Type 1: viral infection; Type 2: genetics

c)

Type 1: poor diet; Type 2: lack of exercise

d)

Type 1: bacterial infection; Type 2: aging

74.

Arthritis is associated with age, injury, autoimmune, obesity; it causes joint pain and stiffness, and it ______ mobility, with no cure.

a)

limits

b)

improves

c)

increases

d)

restores

75.

Which category of health influencing factors refers to physical surroundings such as air, water, housing, pollution, and access to green space?

a)

Demographic

b)

Socioeconomic

c)

Environmental

d)

Behavioral

76.

Which category of health influencing factors refers to characteristics like age, gender, race/ethnicity, and geographic location?

a)

Demographic

b)

Socioeconomic

c)

Cultural

d)

Behavioral

77.

Which category of health influencing factors refers to income, education, employment, and access to health services?

a)

Socioeconomic

b)

Environmental

c)

Cultural

d)

Behavioral

78.

Which category of health influencing factors refers to shared beliefs, values, customs, and practices that affect health behaviors?

a)

Behavioral

b)

Cultural

c)

Environmental

d)

Demographic

79.

Which category of health influencing factors refers to individual choices and habits such as diet, exercise, substance use, sleep, and hygiene?

a)

Socioeconomic

b)

Demographic

c)

Behavioral

d)

Environmental

80.

Which of the following environmental factors increases susceptibility to disease?

a)

Clean air/water

b)

Air pollution

c)

Safe housing

d)

Walkable communities

81.

Contaminated water can lead to ________.

a)

infections

b)

happiness

c)

wealth

d)

sunburn

82.

Which environmental factor decreases susceptibility to disease?

a)

Poor housing

b)

Lack of sidewalks/parks

c)

Clean air/water

d)

Air pollution

83.

Match the following environmental factors to their effects:

a)

Mold, injury risk

1.

B

b)

Asthma, cancer

2.

A

c)

Inactivity

3.

C

84.

Which demographic group is more vulnerable to disease due to age?

a)

Infants and older adults

b)

Teenagers

c)

Middle-aged adults

d)

Young adults

85.

Women may face different health risks, such as reproductive health issues, while men have a higher risk of cardiovascular disease (CVD).

a)

True

b)

False

86.

Systemic disparities, such as higher rates of diabetes and maternal mortality in Black communities, are related to which demographic factor?

a)

Age

b)

Gender

c)

Race/Ethnicity

d)

Location

87.

Poverty can increase susceptibility to disease due to ________ and stress.

a)

poor nutrition

b)

excessive exercise

c)

high income

d)

advanced technology

88.

Rural residents may have less access to care and fewer transportation options. This is an example of which demographic factor?

a)

Age

b)

Gender

c)

Race/Ethnicity

d)

Location

89.

Which of the following is among the strongest predictors of health disparities?

a)

Health insurance

b)

Higher education

c)

Stable income

d)

All of the above

90.

Unemployment can lead to ______ and limited access to care.

a)

mental illness

b)

physical strength

c)

financial abundance

d)

improved nutrition

91.

Low education leads to lower ______ literacy.

a)

health

b)

financial

c)

digital

d)

media

92.

Which factor is associated with better health choices and access?

a)

Unemployment

b)

Low education

c)

Higher education

d)

Stigma around mental illness

93.

Stigma around mental illness increases or decreases susceptibility to health issues?

a)

Increases susceptibility

b)

Decreases susceptibility

c)

Has no effect on susceptibility

d)

Only affects physical health

94.

Which of the following dietary practices affects susceptibility to chronic disease risk?

a)

Dietary practices that increase chronic disease risk

b)

Culturally tailored health education

c)

Strong family/community support

d)

Health insurance

95.

Strong family/community support increases or decreases susceptibility to health issues?

a)

Decreases susceptibility

b)

Increases susceptibility

c)

Has no effect on susceptibility

d)

Makes people immune to health issues

96.

Which of the following behavioral factors increases susceptibility to health issues?

a)

Smoking, alcohol/drug abuse

b)

Lack of physical activity

c)

Poor diet

d)

All of the above

97.

A health educator is planning a community intervention to reduce Type 2 diabetes in a low-income urban neighborhood. Which of the following factors is most likely contributing to higher disease rates in this community?

a)

The community’s high level of trust in public health officials

b)

Access to clean parks and walking trails

c)

Limited access to affordable, healthy food options

d)

High rates of college graduation

98.

Which of the following is a risk example for Environmental factors?

a)

Clean water, safe neighborhoods

b)

Polluted air, unsafe housing

c)

Youth vaccination programs

d)

Education, stable employment

99.

Which of the following is a protective example for Demographic factors?

a)

Age, race, gender disparities

b)

Youth vaccination programs, targeted outreach

c)

Poverty, joblessness

d)

Supportive norms, culturally responsive care

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