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Agents of Disease

Total questions: 74

Worksheet time: 43mins

Name
Class
Date
1.

A mosquito that transmits malaria from one person to another is

a)

bacterium

b)

a parasite

c)

an infection

d)

a vector

2.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
3.
Viruses...
a)
use a host to reproduce
b)
breath oxygen
c)
grow
d)
eat food
4.
Which of the following is caused by a fungi?
a)
common cold
b)
athletes foot
c)
strep throat
d)
amoeba
5.
What is the best way to prevent the spread of all diseases?
a)
vaccines
b)
antibiotics
c)
cover your mouth when coughing
d)
wash you hands
6.
Why do you need to get a flu shot every year?
a)
the flu virus mutates from year to year
b)
your immune system doesn't keep immunity for more than a year
c)
viruses mutate faster every year
d)
vaccines get stronger each year
7.
Which of these statements about viruses is not true?
a)
Viruses are made of a protein coat and genetic material.
b)
Viruses need food to keep them alive.
c)
Viruses attach to a living host cell to reproduce.
d)
The smallpox virus has been wiped off the face of the earth because of vaccines.
8.
Which of the following need a host cell to reproduce?
a)
Virus
b)
Bacteria
c)
Algae
d)
Protist
9.

What is a way to become immune to a disease without first having the disease?

a)

Antibiotics

b)

Anti-retroviral drugs

c)

Vaccination

d)

Exposure Therapy

10.
Which of the following could be a vector?
a)
Dog
b)
Cat
c)
Earthworm
d)
Tick
11.
What does a vaccine do?
a)
Gives you immunity
b)
Gets you sick
c)
Cures you
d)
Kills you
12.
Which can be treated with antibiotics?
a)
Virus
b)
Bacteria
c)
Mutagen
d)
Parasite
13.
Infectious disease spread in a small region is called a __________
a)
Infectious disease
b)
Mutation
c)
Epidemic
d)
Pandemic
14.

20 people became sick with the flu after a school dance. What is the best explanation for how they got sick?

a)

Contact with environmental source

b)

Contact with an infected animal

c)

Contact with a contaminated object

d)

Contact with an infected person

15.
Substances that cause the body to produce antibodies.
a)
antibodies
b)
antigens
16.

A pathogen is a disease-causing agent.

a)

True

b)

False

17.
The different types of vaccines are:
a)
live,weakened or attenuated
b)
inactivated or killed
c)
conjugated
d)
all of the above
18.
Which best compares a virus to a bacterium?
a)
A virus is a large, living particle, and a bacterium is a large, living cell.
b)
A virus is a tiny, nonliving particle, and a bacterium is a large, living cell.
c)
A virus is a large, nonliving particle, and a bacterium is the same size but living.
19.

When you have antibodies to a virus you have developed an ______________ to the disease.

a)

relationship

b)

immunity

c)

infection

d)

lymph node

20.
An example of a noninfectious disease is: 
a)
Influenza
b)
Small Pox
c)
Diabetes
d)
Typhoid
21.
Which illness is always caused by a viral infection?
a)
hearth attack
b)
broken bone
c)
influenza
d)
strep trought 
22.
Which is the most effective defense against the Chicken Pox virus?
a)
antibiotics
b)
diet
c)
exercise
d)
vaccine
23.
Why do some antibiotics become ineffective over time?
a)
because they only kill certain viruses
b)
because they mutate before being used
c)
because they are overused for treatments
d)
because they only work for a few hours a day
24.
The bacteria that causes bubonic plague is transmitted to humans by fleas. Which term best describes the role of the fleas in transmitting bubonic plague?
a)
decomposer
b)
parasite
c)
pathogen
d)
vector
25.
Why are viruses considered to be nonliving organisms?
a)
They do not have genetic information.
b)
They are not able to move on their own.
c)
They do not interact with their environment.
d)
They are not able to reproduce without a host cell.
26.
What parasite is most often responsible for the spread of Lyme disease?
a)
amoeba
b)
crane fly
c)
deer tick
d)
mosquito
27.
Which example best illustrates a pandemic?
a)
In the late 1400’s, native populations were almost wiped out by European diseases.
b)
In 1854, cholera spread through London, killing 12.5% of the population.
c)
In 1918, the Spanish flu caused millions of deaths worldwide.
d)
Last year, seasonal flu was responsible for thousands of deaths in the United States.
28.
In 1918, an outbreak of influenza infected 500,000 people all over the world. Tens of millions of those infected died. In 1994, an outbreak of pneumonic plague spread quickly through the city of Surat in India, killing 52 people. Which statement best describes the two events?
a)
Both outbreaks were pandemics.
b)
Both outbreaks were epidemics.
c)
The influenza outbreak was a pandemic. The plague outbreak was an epidemic.
d)
The influenza outbreak was an epidemic. The plague outbreak was a pandemic.
29.
Epidemic measles outbreaks were once common, but their occurrence has greatly diminished. Which best explains this?
a)
Children receive immunity to the measles virus from their mothers.
b)
The measles virus has largely been removed from the environment.
c)
The measles vaccine has greatly reduced the number of viral infections.
d)
Increased hand washing has greatly reduced the spread of the measles virus.
30.
How can the rate of an infectious disease be drastically reduced?
a)
by taking medication daily
b)
by preventing transmission between people
c)
by wearing clean clothing daily
d)
by performing dental hygiene three times each day
31.
Which tool is most responsible for preventing future pandemics of smallpox?
a)
worldwide vaccination for smallpox
b)
global education about smallpox
c)
better worldwide urban sanitation
d)
improved global quarantine facilities
32.
Which term refers to the spread of disease across a large region or sometimes worldwide?
a)
antibiotic
b)
epidemic
c)
pandemic
d)
pathogenic
33.
The Black Plague killed about 100 million people in the fourteenth century. The bacteria that caused the plague was carried by fleas on rats and traveled great distances. Which would have most directly limited the spread of the disease?
a)
cleaner water sources
b)
refrigeration of food and water
c)
reduction in the rodent population
d)
better medicines to treat infected individuals
34.
a)
Epidemic
b)
Pandemic
35.
a)
Epidemic
b)
Pandemic
36.
a)
Epidemic
b)
Pandemic
37.
a)
Epidemic
b)
Pandemic
38.
a)
Epidemic
b)
Pandemic
39.
Strep throat is caused from
a)
a virus
b)
a bacterium
c)
a fungus
d)
food poisoning
40.
Malaria is a common disease in many  countries. What is the cause of this disease?
a)
a virus
b)
a bacterium
c)
a fungus
d)
a parasite
41.
A mosquito that transmits malaria from one  person to another is
a)
bacterium
b)
a parasite
c)
an infection
d)
a vector
42.
A vaccine is made from
a)
proteins produced by the body’s immune system
b)
a weakened or dead form of a pathogen
c)
body cells that are immune to a disease
d)
an antibiotic used to treat an infectious disease
43.
Ten people became sick with the flu after  attending a school dance. What is the scenario  that could best explain how the people got sick?
a)
contact with environmental sources
b)
contact with an infected animal
c)
contact with a contaminated object
d)
contact with an infected person
44.

Which of these diseases can be treated with antibiotics?

a)

lyme disease

b)

the common cold

c)

influenza

d)

AIDS

45.

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

a)

getting a vaccination

b)

taking antibiotics

c)

eating fruits and vegetables

d)

washing hands often

46.
Occurs when an infectious disease spreads rapidly to many people in one region.
a)
Epidemic
b)
Outbreak
c)
Pandemic
d)
HIV/AIDs
47.
A global disease outbreak is a _________.
a)
Epidemic
b)
Pandemic
c)
Outbreak
d)
Species
48.
Vaccines are used to_______________ diseases.
a)
Prevent
b)
Mutate
c)
Carrier
d)
Global Travel
49.
Transmission of a disease from one infected person to another.
a)
Carrier
b)
Vector
c)
Contagion
d)
Pathogen
50.
Which pair correctly matches a vector and the infectious disease it carries? 
a)
human – influenza
b)
opossum – rabies
c)
mosquito – malaria
d)
flea – Lyme disease
51.
Diseases that can be transmitted between organisms are
a)
infectious.
b)
inherited.
c)
environmental
d)
congenital.
52.
Which best compares an epidemic and a pandemic?
a)
An epidemic is caused by bacteria, while a pandemic is caused by viruses.
b)
A pandemic is spread by humans, while an epidemic is spread by insects and rodents.
c)
A pandemic occurs in a small region, while an epidemic occurs in a much larger region.
d)
An epidemic affects a small population of humans, while a pandemic affects a large population of humans.
53.
Which would most likely prevent a cold virus from spreading through a classroom?
a)
Have a large supply of tissues on the teacher’s desk.
b)
Have all students wash their hands regularly with soap.
c)
Have all students shake hands regularly with all students.
d)
Have all students wipe desk with dry paper towel at end of class.
54.
This is the word for a disease causing organism.
a)
Phagocyte
b)
Pathogen
c)
Pandemic
55.
Millions of people living all over the world have cancer. Is cancer a pandemic?
a)
No, because cancer is not contagious.
b)
No, because cancer is not always fatal.
c)
Yes, because millions of people have cancer.
d)
Yes, because people all over the world have cancer.
56.

Which best describes the difference between a pandemic and epidemic?

a)

Pandemic is like an apple if epidemic is like an orange

b)

epidemic is like a city if pandemic is like the whole country

c)

both mean the same thing

d)

pandemic is smaller than an epidemic

57.
Which pathogen reproduces using spores?
a)
Virus
b)
Bacteria
c)
Fungi
d)
Parasite
58.

A disease that is NOT caused by a pathogen is a(n)

a)

Vaccine

b)

Passive Immunity

c)

Vaccination

d)

Noninfectious disease

59.
What is a noninfectious disease?
a)
A disease that can spread
b)
A pathogen
c)
A disease that can't spread
d)
Rabies
60.
Which is not an infectious disease?
a)
Malaria
b)
diabetes
c)
food poisoning
d)
measles
61.
Decomposer in nature but can cause disease.
a)
Virus
b)
Bacteria
c)
Fungus
d)
Protozoan
62.
You can catch a noninfectious disease from a classmate.
a)
True
b)
False
63.
An illness that affects a person, animal, or plant 
a)
virus
b)
parasite
c)
vaccine
d)
disease
64.
An enormous group of organisms that are neither plants nor animals. They obtain nutrients through the absorption of decaying organic matter
a)
virus
b)
fungi
c)
bacteria
d)
pathogens
65.
Its is a living cell in which a virus reproduces. 
a)
plant
b)
cell
c)
host cell
d)
animal
66.
The branch of science that deals with microorganisms.
a)
host cell
b)
disease
c)
microbiology
d)
pathogen
67.
A microscopic organism, especially a bacterium, virus, or fungus.
a)
pathogens
b)
microbiology
c)
microorganism
d)
vaccine
68.
An organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host's expense.
a)
bacteria
b)
virus
c)
pathogen
d)
parasite
69.

Which best explains the significance of an infectious disease?

a)

It can be passed from one person to another.

b)

It cannot be passed from one person to another.

c)

It will respond effectively to antibiotics in 7 days.

d)

It will not respond effectively to antibiotics in 7 days.

70.

Which disease outbreak will be more difficult to control?

a)

Pandemic, because the diseases are always fatal.

b)

Epidemic, because the diseases involved are usually more difficult to treat.

c)

Epidemic, because the vaccines are more expensive and harder to make, and treatments are often ineffective.

d)

Pandemic, because infectious disease will continue to spread through populations across a large region, or even worldwide.

71.

Although antibiotics are useful in the control of bacteria,

which best describes the disadvantage from their overuse?

a)

The overuse of antibiotics could lead to pollution of water resources.

b)

The overuse of antibiotics could lead to resistant strains of bacteria.

c)

The overuse of antibiotics could lead to the spread of mutated diseases.

d)

The overuse of antibiotics could lead to weakened immune systems in humans.

72.

Which would be the least effective in treating an illness caused by a virus?

a)

drinking plenty of fluids

b)

widespread vaccination

c)

getting extra rest and sleep

d)

daily treatment with antibiotics

73.

The body's most widespread nonspecific defense against pathogens is (are)

a)

tears

b)

mucus

c)

saliva

d)

skin

74.

What is the role of a vector in the spread of disease?

a)

A vector is an inanimate object, such as a door knob, where pathogens collect

b)

a vector must infect a host for its life cycle to continue

c)

vectors usually don't suffer infection they just spread it from host to host

d)

a vector is another name for a pathogen

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