Microbiology Review Question Preview (ID: 37121)
8.L.1.1 And 8.L.1.2.
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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 bacterium.
b) It is a cell.
c) It is a protist.
d) It is a virus.
Which statement about viruses is true?
a) Viruses do not have genetic material.
b) Viruses need a host cell to multiply.
c) Viruses are larger than bacterial cells.
d) Viruses have a cell wall and cytoplasm.
Which disease would best be treated with antibiotics?
a) common cold
b) flu
c) HIV
d) strep throat
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) A healthy mother passes protective antibodies to her unborn child.
d) An infected raccoon bites an uninfected dog who contracts rabies.
Which organism is a common vector?
a) ant
b) mosquito
c) snail
d) termite
Why do researchers need to constantly develop new types of antibiotics?
a) Bacteria eventually learn to stay away from certain antibiotics in the body.
b) Doctors need as many treatment options as possible for bacterial diseases.
c) Bacteria are constantly evolving and becoming resistant to existing antibiotics.
d) Drug companies want to sell as many drugs as possible.
Which of the following structures is found in both prokaryotes and eukaryotes?
a) lysosome
b) nucleus
c) ribosome
d) endoplasmic reticulum
Why are viruses not considered living things?
a) Viruses are not made of cells.
b) Viruses do not contain hereditary material.
c) Viruses cannot make their own nutrients.
d) Viruses can be seen only with an electron microscope.
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) pathogen
b) carrier
c) contagion
d) parasite
Which statement is true about the influenza virus?
a) Antibiotics can cure influenza.
b) Influenza can be caused by a mutagen.
c) Influenza can be very contagious.
d) Vaccines cannot prevent influenza.
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) bacteria
b) fungi
c) a mutagen
d) a virus
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) One hundred cases of tuberculosis are reported within a month in the same U.S. state.
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) Two hundred cases of tuberculosis are reported within a month in widespread regions of North America.
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