Openstax Microbiology Questions with Certified Solutions

Openstax Microbiology Questions with Certified
Solutions

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

A. viruses

B. bacteria

C. mammals

D. arthropods - Answer D. arthropods



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

A. mechanical vector transmission

B. biological vector transmission

C. direct contact transmission

D. vehicle transmission - Answer B. biological vector transmission



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?

A. biological vector transmission

B. direct contact transmission

C. indirect contact transmission

D. vehicle transmission - Answer D. vehicle transmission



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?

A. fomite

B. host

C. pathogen

D. vector - Answer A. fomite