Host-Microbe Interactions Quiz

Which of the following best describes a mutualistic relationship between a host and a microbe?

• The microbe benefits while the host is harmed

• Both the host and microbe benefit

• The host benefits while the microbe is harmed

• Neither the host nor the microbe benefits

What is the term for microbes that cause disease only under certain conditions, such as a weakened immune system?

• Pathogens

• Commensals

• Opportunistic pathogens

• Symbionts

Which of the following is NOT a typical portal of entry for microbes into the human body?

• Skin

• Respiratory tract

• Digestive tract

• Hair follicles

What is the primary function of microbial adhesins?

• To digest host tissues

• To evade immune responses

• To attach to host cells

• To produce toxins

Which of the following is a mechanism used by microbes to evade the host immune system?

• Producing toxins

• Forming biofilms

• Using flagella for movement

• Releasing cytokines

Which of the following protozoan stages is typically infective and resistant to harsh conditions?

• Trophozoite

• Cyst

• Sporozoite

• Gametocyte

What is the causative agent of malaria?

• Giardia lamblia

• Trichomonas vaginalis

• Plasmodium spp.

• Trypanosoma cruzi

Which fungal structure is responsible for asexual reproduction and is not enclosed in a sac?

• Sporangiospore

• Conidiospore

• Zygospore

• Ascospore

What distinguishes algae from plants?

• Algae are multicellular

• Algae lack true roots, stems, and leaves

• Algae do not perform photosynthesis

• Algae are chemoheterotrophs

Which helminth is known to cause schistosomiasis?

• Taenia saginata

• Enterobius vermicularis

• Schistosoma spp.

• Trichinella spiralis