Worksheets8.L.1.1 & 8.L.1.2 Assessment
Total questions: 40
Worksheet time: 25mins
Name
Class
Date
1.
Health department officials are trying to identify the source of an outbreak of an intestinal virus. Which is the most likely source of the virus?
a)
polluted air
b)
lack of exercise
c)
contaminated water
d)
poor nutritional habits
2.
Which best compares bacteria and viruses?
a)
Bacteria are smaller than viruses.
b)
Bacteria cause disease, but viruses do not.
c)
Bacteria are living organisms, but viruses are not.
d)
Bacteria have genetic material, but viruses do not.
3.
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
4.
Which environmental conditions contribute most to the spread of bacteria?
a)
cold temperatures and low humidity
b)
warm temperatures and low humidity
c)
cold temperatures and high humidity
d)
warm temperatures and high humidity
5.
Which best explains why viruses are dangerous to humans?
a)
They are all airborne.
b)
They are easily spread.
c)
They are better suited to live in cold environments.
d)
They cannot be treated for several months after infection.
6.
Which best explains how a nonliving virus is able to reproduce?
a)
A virus becomes living when in contact with a host organism.
b)
A virus infects a host organism by injecting its DNA into the cells of the host organism.
c)
A virus infects a host organism by pulling the DNA from the cells of the host organism into itself.
d)
A virus becomes living when a sufficient number of viruses invade a host organism and cause an infection.
7.
Which disease can be transmitted by casual contact between two individuals?
a)
influenza
b)
malaria
c)
kidney disease
d)
Lyme disease
8.
Which practice contributes to the antibiotic resistance of bacteria?
a)
failing to cover open cuts
b)
taking only part of a prescribed antibiotic
c)
completing an entire antibiotic prescription
d)
storing medicine and antibiotic products improperly
9.
What is the main purpose of hand sanitizer?
a)
to promote viral contamination
b)
to reduce the number of virus strands
c)
to increase cell production on one’s hands
d)
to decrease the bacteria found on one’s hands
10.
How does the structure of a virus compare to that of a bacterium?
a)
They are both multicellular and living.
b)
They are both single-celled and nonliving.
c)
The virus is nonliving so it has no cells, whereas the bacterium is single-celled.
d)
The bacterium is nonliving, so it has no cells, whereas the virus is single-celled.
11.
Which is the best way to prevent the spread of pathogens?
a)
Wear gloves while outside.
b)
Educate the public about disease transmission.
c)
Wash hands frequently with antibacterial soap.
d)
Stay at home during flu season whenever possible.
12.
Which is most often used to destroy bacteria?
a)
fungus
b)
vitamin
c)
vaccine
d)
antibiotic
13.
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
14.
How are viruses different from most other microbes?
a)
They are nonliving.
b)
They can cause disease.
c)
They contain genetic material.
d)
They are only seen with a microscope.
15.
Why do doctors suggest that people get a flu vaccine each year?
a)
Viruses replicate more rapidly over time.
b)
Viruses can mutate from year to year.
c)
Vaccines are absorbed by the body after a year.
d)
Vaccines get stronger over time.
16.
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
17.
Which helps humans to resist an infectious disease?
a)
heredity
b)
immunity
c)
pathogens
18.
Which best describes the size of a virus compared to the size of bacteria?
a)
Bacteria are small, while viruses are larger.
b)
Bacteria are large, while viruses are larger.
c)
Bacteria are small, while viruses are smaller.
19.
Which best describes how athlete’s foot is spread to other individuals?
a)
inhaling fungal spores in the air
b)
eating food contaminated with fungus
c)
having contact with fungus on a shower floor
d)
swimming in a lake that has a large amount of algae
20.
A student sorted a list of diseases and conditions into two groups.
a)
inherited conditions.
b)
infectious diseases.
c)
caused by environmental conditions.
d)
not treatable with medications.
21.
Which cause athlete’s foot, ringworm, and thrush?
a)
protozoa
b)
bacteria
c)
viruses
d)
fungi
22.
Which best explains why antibiotics are ineffective in treating viral infections?
a)
Viruses destroy the antibiotic.
b)
Antibiotics only kill living cells.
c)
Antibiotics increase the rate of viral growth.
d)
Viruses escape antibiotics by hiding in cells.
23.
Diseases that can be transmitted between organisms are
a)
infectious
b)
inherited
c)
environmental
d)
congenital
24.
A plant is discolored and has large brown blotches on its leaves. This condition is most likely caused by
a)
pollination
b)
photosynthesis
c)
nourishment
d)
disease
25.
Which of the causes can be categorized as an infectious disease?
a)
cancer
b)
stroke
c)
diabetes
d)
influenza
26.
The overuse of antibiotics has most likely resulted in the development of resistant strains of which organisms?
a)
bacteria
b)
fungi
c)
protozoa
d)
viruses
27.
Alan noticed that his foot itched between his toes after coming home from the gym. He now believes he may have contracted athlete’s foot. What type of pathogen most likely caused this possible infection of his foot?
a)
bacterium
b)
fungus
c)
virus
28.
Which product would be most effective in preventing the spread of a cold virus?
a)
hand soap
b)
mouthwash
c)
cough drops
d)
antibiotic cream
29.
A city has an outbreak of a disease that affects an unusually large portion of its population at the same time. Which term best describes the outbreak?
a)
pandemic
b)
plague
c)
epidemic
d)
infection
30.
Which aspect of modern life could most likely cause an epidemic to turn into a pandemic?
a)
vaccination
b)
transportation
c)
communication
d)
sanitation
31.
The human immunodeficiency virus (HIV) causes AIDS. The first known human cases AIDS were in Africa in the late 1950s. Since then, tens of millions of people have died from the disease, and tens of millions more people all over the world are infected. Which term best describes the disease AIDS?
a)
isolated cases
b)
outbreak
c)
epidemic
d)
pandemic
32.
Which is the best requirement for viruses to reproduce?
a)
The virus must be inside a living cell.
b)
The virus must produce a toxin.
c)
The virus must be a pathogen.
33.
Which has had the greatest impact on preventing epidemics in the twenty-first century?
a)
immunizations
b)
new medicines
c)
good hygiene
34.
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
35.
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
36.
Which will most likely occur when the quality of sanitation in an area improves?
a)
The number of disease carriers will increase.
b)
The number of infectious disease cases will decrease.
c)
The amount of available food resources will decrease.
d)
The amount of necessary medical treatment will increase.
37.
Which term refers to the spread of disease across a large region or sometimes worldwide?
a)
antibiotic
b)
epidemic
c)
pandemic
d)
pathogenic
38.
Which has made the possibility of an epidemic becoming a pandemic much more likely in the 21st century?
a)
increased deforestation
b)
increased global travel
c)
increased vaccinations
d)
increased air pollution
39.
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.
40.
How are an epidemic and pandemic alike?
a)
Both involve a viral infection.
b)
Both involve a bacterial infection.
c)
Both involve an outbreak of a disease.
d)
Both involve small numbers of infected individuals.
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