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Microbiology

Multiple Choice

MicrobiologyMultiple Choice

Multiple Choice

1.

Which is the most common type of biological vector of human disease?

  1. viruses
  2. bacteria
  3. mammals
  4. arthropods
2.

A mosquito bites a person who subsequently develops a fever and abdominal rash. What type of transmission would this be?

  1. mechanical vector transmission
  2. biological vector transmission
  3. direct contact transmission
  4. vehicle transmission
3.

Cattle are allowed to pasture in a field that contains the farmhouse well, and the farmer’s family becomes ill with a gastrointestinal pathogen after drinking the water. What type of transmission of infectious agents would this be?

  1. biological vector transmission
  2. direct contact transmission
  3. indirect contact transmission
  4. vehicle transmission
4.

A blanket from a child with chickenpox is likely to be contaminated with the virus that causes chickenpox (Varicella-zoster virus). What is the blanket called?

  1. fomite
  2. host
  3. pathogen
  4. vector
5.

Which of the following would NOT be considered an emerging disease?

  1. Ebola hemorrhagic fever
  2. West Nile virus fever/encephalitis
  3. Zika virus disease
  4. Tuberculosis
6.

Which of the following would NOT be considered a reemerging disease?

  1. Drug-resistant tuberculosis
  2. Drug-resistant gonorrhea
  3. Malaria
  4. West Nile virus fever/encephalitis
7.

Which of the following factors can lead to reemergence of a disease?

  1. A mutation that allows it to infect humans
  2. A period of decline in vaccination rates
  3. A change in disease reporting procedures
  4. Better education on the signs and symptoms of the disease
8.

Why are emerging diseases with very few cases the focus of intense scrutiny?

  1. They tend to be more deadly
  2. They are increasing and therefore not controlled
  3. They naturally have higher transmission rates
  4. They occur more in developed countries
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