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Microbiology Review
Test Description: 8.L.1.1 and 8.L.1.2
Instructions: Answer all questions to get your test result.
1) What name is given to an organism that is infected with and can transmit a disease-causing microbe to another living thing, even though it shows no symptoms of disease?
A
parasite
B
contagion
C
pathogen
D
carrier
2) Why are viruses not considered living things?
A
Viruses are not made of cells.
B
Viruses can be seen only with an electron microscope.
C
Viruses do not contain hereditary material.
D
Viruses cannot make their own nutrients.
3) Which of the following structures is found in both prokaryotes and eukaryotes?
A
endoplasmic reticulum
B
nucleus
C
ribosome
D
lysosome
4) Why do researchers need to constantly develop new types of antibiotics?
A
Bacteria are constantly evolving and becoming resistant to existing antibiotics.
B
Bacteria eventually learn to stay away from certain antibiotics in the body.
C
Drug companies want to sell as many drugs as possible.
D
Doctors need as many treatment options as possible for bacterial diseases.
5) Which organism is a common vector?
A
snail
B
termite
C
ant
D
mosquito
6) Which disease would best be treated with antibiotics?
A
common cold
B
flu
C
strep throat
D
HIV
7) Which scenario represents the role of a vector in the transmission of a disease?
A
A mother passes a mutated gene to her offspring.
B
A person handles contaminated tissues and later gets a cold.
C
An infected raccoon bites an uninfected dog who contracts rabies.
D
A healthy mother passes protective antibodies to her unborn child.
8) Which statement about viruses is true?
A
Viruses are larger than bacterial cells.
B
Viruses do not have genetic material.
C
Viruses have a cell wall and cytoplasm.
D
Viruses need a host cell to multiply.
9) A scientist discovers a microbe with genetic material and proteins, but no nucleus or cell structures. What is the best conclusion about the microbe?
A
It is a virus.
B
It is a protist.
C
It is a bacterium.
D
It is a cell.
10) Which statement is true about the influenza virus?
A
Vaccines cannot prevent influenza.
B
Antibiotics can cure influenza.
C
Influenza can be caused by a mutagen.
D
Influenza can be very contagious.
11) Ben became sick with the symptoms of a runny nose, sore throat, and fever. His doctor prescribed antibiotics to help him recover. What most likely caused Ben's illness?
A
a mutagen
B
a virus
C
bacteria
D
fungi
12) A U.S. state typically has about 2.5 reported cases of tuberculosis infection per 100,000 people every year. Which possible new data would cause the disease to be reported as an epidemic?
A
Two hundred cases of tuberculosis are reported within a month in widespread regions of North America.
B
Fewer than 2.5 cases of tuberculosis are reported in a year within a small region of North America.
C
Fewer than 2.5 cases of tuberculosis are reported in a year in the same U.S. state.
D
One hundred cases of tuberculosis are reported within a month in the same U.S. state.
*select an answer for all questions
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