5005 Praxis Practice Test Practice Question
Which of the following types of pathogen is responsible for the common cold?
Correct Answer: B
Rationale: The common cold is primarily caused by viruses, specifically rhinoviruses, which invade the upper respiratory tract and lead to typical cold symptoms.
Option A, bacterium, is incorrect as bacteria can cause infections like strep throat but are not responsible for colds.
Option C, fungus, is also not relevant; fungi can lead to conditions like athlete's foot or ringworm but do not cause respiratory illnesses like the common cold.
Option D, protozoan, is misleading; protozoa are single-celled organisms that can cause diseases such as malaria, but they are not involved in cold infections.
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