Which is the most likely reason for a decline in antibiotic use?
Antibiotics have severe health side effects.
Companies find antibiotics too expensive to produce.
Most health insurance does not cover treatment with antibiotics.
Bacterial infections have become resistant to present antibiotic treatment.
Q.2.
Which would most likely contribute to antimicrobial resistance?
an increased number of health care facilities
overcrowding and poor sanitation in urban areas
creation of new varieties of vaccinations and medicines
providing more education and training for medical
Q.3.
Which best explains how a virus affects other organisms?
Viruses increase the survival of other organisms.
Viruses immediately destroy all cells they come in contact with.
Viruses live and reproduce in between the cells of other organisms.
Viruses invade the cells of other organisms, using them to reproduce.
Q.4.
Which part of a bacteria cell wall "holds" the stain?
plasma membrane
fimbriae
peptidoglycan
pilus
Q.5.
Inan outbreak of influenza infected 500,people all over the world. Tens of millions of those infected died. Inan outbreak of pneumonic plague spread quickly through the city of Surat in India, killingpeople. Which statement best describes the two events?
Both outbreaks were pandemics.
Both outbreaks were epidemics.
The influenza outbreak was a pandemic. The plague outbreak was an epidemic.
The influenza outbreak was an epidemic. The plague outbreak was a pandemic.
Q.6.
Which best explains why a contagious disease is likely to become an epidemic?
failure to follow safety rules when handling bacteria
lack of understanding as to how the disease is spread
creation of supergerms due to the overuse of antibiotics
All of above
Q.7.
Which of the following is NOT one of the four major types of human pathogens
Bacteria
Viruses
fungi
plants
Q.8.
The overuse of antibiotics has most likely resulted in the development of resistant strains of which organisms?
bacteria
fungi
protozoa
viruses
Q.9.
Which aspect of modern life could most likely cause an epidemic to turn into a pandemic?
vaccination
communication
transportation
sanitation
Q.10.
In which organ system of the human body would a doctor most likely find a parasite?
skeletal system
digestive system
muscular system
nervous system
Q.11.
Which most likely spreads diseases such as rabies or Lyme disease?
contact with an infected animal
contact with an infected human
ingesting contaminated food
breathing contaminated air
Q.12.
How are viruses different from most other microbes?
They can cause disease
Only seen with a microscope
They contain genetic material
They are nonliving
Q.13.
Which best describes the size of a virus compared to the size of bacteria?
Bacteria are small, while viruses are larger.
Bacteria are large, while viruses are larger.
Bacteria are small, while viruses are smaller.
All of above
Q.14.
Which famous scientist developed a vaccine for rabies?
Louis Pasteur
Robert Koch
Antonie von Leeuwenhoeck
Thucydides
Q.15.
Why can a person catch a cold many times?
Changes in weather conditions can cause a person to get a cold.
People do not develop an immunity to viruses and can be infected by the same virus again and again.
There are many kinds of viruses that cause colds and the person may be infected by different viruses each time.
All of above
Q.16.
How can a single bacterium grow and reproduce exponentially?
It reproduces sexually.
It reproduces asexually.
It reproduces through spores.
It reproduces using a host cell.
Q.17.
An amoeba frequently causes an infection in hikers who drink untreated water. Which precaution should hikers take while hiking?
taste test the water before drinking
filter or boil the water before drinking
check the pH of the water before drinking
check the color of the water before drinking
Q.18.
Which explains why a fungus attaches to a host?
The fungus provides hydration to the host.
The fungus acquires nutrients from the host.
The fungus injects the host with a toxin when it attaches.
The fungus cannot survive without another living organism.
Q.19.
How does the reproductive potential of bacteria affect illnesses caused by bacteria?
long generation time results in many bacteria
short generation time results in many bacteria
long generation time results in only a few bacteria
short generation time results in only a few bacteria
Q.20.
Which is the easiest way for a person to prevent microbial infections?
Avoid contact with animals.
Isolate themselves at home.
Sterilize everything in the home.
Wash hands frequently with hot water and soap.
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