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Unit 4: Diseases Review
Test Description: Review for unit 4 test on diseases
Instructions: Answer all questions to get your test result.
1) What type of pathogen causes sore itchy feet?
A
bacteria
B
fungus
C
virus
D
protozoan
2) Why can a person catch a cold many times?
A
People do not develop an immunity to viruses and can be infected by the same virus again and again.
B
There are many kinds of viruses that cause colds and the person may be infected by different viruses each time.
C
Changes in weather conditions can cause a person to get a cold.
3) Which best compares a virus to a bacterium?
A
A virus is a tiny, nonliving particle, and a bacterium is a large, living cell.
B
A virus is a large, nonliving particle, and a bacterium is the same size but living.
C
A virus is a large, living particle, and a bacterium is a large, living cell
4) Which would be least effective in treating an illness caused by a virus?
A
widespread vaccinations
B
drinking plenty of fluids
C
getting extra rest and sleep
D
daily treatment with antibiotics
5) Which pathogen is correctly matched to the disease it causes?
A
malaria - protozoan
B
rabies - bacteria
C
chicken pox - protozoan
D
Cholera - fungus
6) Which best explains how a virus affects other organisms?
A
Viruses live and reproduce in between the cells of other organisms.
B
Viruses immediately destroy all cells they come in contact with.
C
Viruses increase the survival of other organisms.
D
Viruses invade the cells of other organisms, using them to reproduce.
7) Which is the most likely reason for a decline in antibiotic use?
A
Antibiotics have severe health side effects.
B
Most health insurance does not cover treatment with antibiotics.
C
Companies find antibiotics too expensive to produce.
D
Bacterial infections have become resistant to present antibiotic treatment.
8) Which statement correctly identifies the reason why viruses are not considered alive?
A
They have a protein coat.
B
They are really small.
C
They are not made of cells.
D
They have DNA.
9) Infectious diseases can be passed from organism to organism by all of the following except
A
pathogens in the air.
B
genetically from parents.
C
insect bites.
D
contaminated food.
10) Which of the following would be the reason for using hand santizer?
A
conserve water resources
B
promote safe use of technology
C
control noninfectious diseases
D
limit diseases spread by contact
11) A disease that spreads worldwide is called a(n)
A
pandemic
B
outbreak
C
epidemic
D
isolated cases
12) An outbreak of a disease in a city would be called a(n)
A
pandemic
B
plague
C
epidemic
D
infection
13) Which of the following is the vector for the spread of Malaria?
A
mosquitoes
B
rats
C
fleas
D
ticks
14) Which has had the greatest impact on preventing epidemics in the twenty-first century?
A
good hygiene
B
immunizations
C
new medicines
15) Which of the following is the vector for the spread of Lyme Disease?
A
rats
B
fleas
C
ticks
D
mosquitoes
16) How are quarantines used to slow the spread of an epidemic?
A
Quarantines prevent individuals from eating food that is potentially contaminated.
B
Quarantines allow enough time for antibiotics to take effect in infected individuals.
C
Quarantines keep people inside their homes so that family members can provide care for each other.
D
Quarantines keep infected individuals separate so they cannot pass the disease to others.
17) What is a carrier?
A
A person is more difficult to cure if he or she is a carrier.
B
A carrier can unknowingly spread the disease to others.
C
A person is more likely to die once he or she becomes a carrier.
D
A carrier can use up all the available medicine in a local area.
18) What is another name for an infectious or contagious disease?
A
genetic disease
B
communicable disease
C
antibody disease
D
dirty disease
19) Which situation would most favor the spread of infectious disease?
A
use of vaccines
B
small population
C
overcrowding
D
sanitary conditions
20) If you get vaccinated against chicken pox when you are young, you are not likely to get the disease. One reason for this is that
A
the virus that causes chicken pox cannot enter your body after vaccination
B
the medicine in the vaccination is stored in your body
C
the chicken pox virus is not harmful to you when you are older
D
the vaccination causes your body to form antibodies that recognize the chicken pox virus
*select an answer for all questions
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