Phlebotomy Technician Practice Exam (NCPT/CPT)

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Who is capable of spreading infection to another person?

Patient
Pathogen
Carrier
Host

The correct answer is: Carrier

Explanation A pathogen refers to a disease-causing microorganism, while a host is any person or living organism that can be infected by a pathogen. This means that pathogen and host are both susceptible to infection, but they do not spread the infection themselves. A patient is someone who is being treated for a disease and may or may not be contagious, so they may or may not spread the infection to others. A carrier, on the other hand, is someone who harbors and spreads the pathogen without showing any symptoms, making them a silent spreader of infection. Therefore, a carrier is the only option capable of directly spreading infection to another person.