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Infectious Diseases

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

An infectious disease is caused by ____ that invade the body.

a)

hormones

b)

pathogens

c)

allergens

d)

vitamins

2.

Which of the following is NOT listed as a major type of pathogen?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Stem cells

3.

Which list shows the five pathogen groups mentioned in the lecture?

a)

Bacteria, Viruses, Fungi, Protozoa, Parasites

b)

Bacteria, Hormones, Fungi, Carbohydrates, Parasites

c)

Viruses, Metals, Fungi, Protozoa, Allergens

d)

Bacteria, Viruses, Yeast, Protozoa, Vitamins

4.

Which barrier is part of the body's first line of defense?

a)

Skin

b)

Pancreas

c)

Kidneys

d)

Bone marrow

5.

Cilia and mucous membranes mainly protect which system?

a)

Digestive

b)

Respiratory

c)

Endocrine

d)

Urinary

6.

During which infection stage do symptoms begin?

a)

Incubation

b)

Prodromal

c)

Clinical

d)

Recovery

7.

In the prodromal stage, pathogens _____.

a)

stop multiplying

b)

multiply while you are asymptomatic

c)

are eliminated by antibiotics

d)

cause severe symptoms

8.

Bacteria are _____.

a)

tiny particles that replicate only inside cells

b)

single-celled organisms; some cause disease

c)

nonliving agents of disease

d)

large multicellular parasites

9.

Colds, flu, measles, chicken pox, hepatitis, and AIDS are examples of _____ diseases.

a)

bacterial

b)

viral

c)

fungal

d)

parasitic

10.

Athlete’s foot and ringworm are examples of _____ infections.

a)

viral

b)

bacterial

c)

fungal

d)

protozoan

11.

Malaria is caused by protozoa and spread by _____.

a)

contaminated food

b)

mosquitoes

c)

contact with skin

d)

airborne droplets

12.

Antibiotics are used to _____.

a)

kill or slow bacteria

b)

treat most viral infections

c)

increase antibody production

d)

prevent fungal growth only

13.

Antibiotic resistance occurs when _____.

a)

viruses mutate

b)

bacteria can no longer be killed by a particular antibiotic

c)

fungi invade warm, moist areas

d)

parasites feed on nutrients

14.

Which statement about antivirals and antibiotics is correct?

a)

Antibiotics work for viruses.

b)

Antivirals are effective for all bacteria.

c)

Viruses are not affected by antibiotics.

d)

Antivirals cure fungal infections.

15.

Which action helps treat parasitic head lice?

a)

Taking antibiotics

b)

Using medicated shampoos

c)

Increasing vitamin intake

d)

Getting a tetanus shot

16.

Which is part of good hygiene to stay well?

a)

Share drinks to build immunity

b)

Avoid sleep to keep active

c)

Wash with soap frequently

d)

Skip vaccinations

17.

Which physical or chemical barrier kills many bacteria?

a)

Lymph nodes

b)

Stomach acid

c)

Adrenaline

d)

Insulin

18.

Inflammation is characterized by _____.

a)

ringing in the ears

b)

pain, redness, and swelling

c)

high blood pressure

d)

low body temperature

19.

Antibodies _____.

a)

are parasites that absorb nutrients

b)

mark pathogens to be destroyed by white blood cells

c)

are viruses that replicate inside cells

d)

are vaccines that prevent disease

20.

Which behavior reduces the spread of disease at school?

a)

Sharing personal items

b)

Covering your mouth when you cough or sneeze

c)

Avoiding all exercise

d)

Skipping handwashing