3.1.2 Infectious Agents DOL

Front

A patient developed a rare neurodegenerative (brain) disease after a surgical procedure involving transplanted brain tissue. Which factor most likely contributed to the infection?

Back

The brain tissue carried misfolded proteins that caused prion disease.

Front

A student wants to avoid getting severe symptoms of the flu before flu season. Which action would be most effective in preventing infection by the influenza virus?

Back

Receiving the flu vaccine before exposure

Front

A patient has a deep wound that begins to swell, redden, and release pus. These symptoms are most likely due to:

Back

Bacterial toxins and immune response triggering inflammation

Front

A traveler returns from West Africa with fever, chills, and fatigue. Which diagnostic method would best confirm a suspected case of malaria?

Back

Microscopic examination of blood for Plasmodium parasites (which are protists)

Front

A patient develops a persistent mouth infection involving white patches and discomfort. Which organism is most likely responsible? Options: Giardia lamblia, Influenza A, Escherichia coli, Candida albicans

Back

Candida albicans, a fungus that can overgrow in moist areas of the body like the mouth.

Front

Which characteristic best distinguishes helminths from other infectious agents? Options: They are made entirely of misfolded proteins., They replicate only inside host cells., They consist of single-celled prokaryotes., They are multicellular organisms that can live in host tissues.

Back

They are multicellular organisms that can live in host tissues.