Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
Pinworm is a disease caused by species.
A. Escherichia
Escherichia: This bacterial genus includes Escherichia coli, a common cause of urinary tract infections and gastrointestinal illness, but it does not cause pinworm disease.
B. Enterococcus
Enterococcus: These bacteria are part of the normal gut flora and may cause opportunistic infections, but they are not responsible for pinworm infestation.
C. Enterobius
Enterobius: Enterobius vermicularis is the causative agent of pinworm infection, a helminthic disease spread via the fecal–oral route and characterized by perianal itching, especially at night.
D. Entamoeba
Entamoeba: Entamoeba histolytica is a protozoan parasite that causes amoebiasis and dysentery, but it is unrelated to pinworm disease.
This question is an excerpt from Nurse Dive's nursing test bank - Fa25 biol Microbiology (Hennepin Technical College) proctored exam. Take the full exam now
Full Explanation
A. Escherichia: This bacterial genus includes Escherichia coli, a common cause of urinary tract infections and gastrointestinal illness, but it does not cause pinworm disease.
B. Enterococcus: These bacteria are part of the normal gut flora and may cause opportunistic infections, but they are not responsible for pinworm infestation.
C. Enterobius: Enterobius vermicularis is the causative agent of pinworm infection, a helminthic disease spread via the fecal–oral route and characterized by perianal itching, especially at night.
D. Entamoeba: Entamoeba histolytica is a protozoan parasite that causes amoebiasis and dysentery, but it is unrelated to pinworm disease.
Similar Questions
Adulthood and mating of helminths occur in which host?
A. Intermediate host
Intermediate host: The intermediate host harbors the larval or asexual stage of a parasite but does not support adult development or mating of helminths.
B. Secondary host
Secondary host: This term is sometimes used interchangeably with intermediate host, meaning it also supports only immature stages of the parasite rather than adulthood and reproduction.
C. Definitive host
Definitive host: The definitive host is where helminths reach maturity and undergo sexual reproduction. Adulthood and mating occur here.
D. Transport host
Transport host: A transport (paratenic) host temporarily harbors the parasite without further development, serving mainly to pass it to another host.
E. Mating takes place in all hosts.
Only the definitive host provides the environment for sexual reproduction and full maturity of helminths.
Full Explanation
A. Intermediate host: The intermediate host harbors the larval or asexual stage of a parasite but does not support adult development or mating of helminths.
B. Secondary host: This term is sometimes used interchangeably with intermediate host, meaning it also supports only immature stages of the parasite rather than adulthood and reproduction.
C. Definitive host: The definitive host is where helminths reach maturity and undergo sexual reproduction. Adulthood and mating occur here.
D. Transport host: A transport (paratenic) host temporarily harbors the parasite without further development, serving mainly to pass it to another host.
E. Mating takes place in all hosts: Only the definitive host provides the environment for sexual reproduction and full maturity of helminths.
Protists include
A. yeasts and molds.
yeasts and molds: These are classified as fungi, not protists. They reproduce by spores and have distinct cellular structures different from protists.
B. algae and protozoa.
algae and protozoa: Protists are a diverse group of mostly unicellular eukaryotes, and this category includes algae, which perform photosynthesis, and protozoa, which are animal-like and often motile.
C. helminths.
helminths: Helminths are multicellular parasitic worms such as tapeworms and roundworms. They are not protists because they are much more complex organisms.
D. bacteria.
bacteria: Bacteria are prokaryotic microorganisms lacking a nucleus, while protists are eukaryotic and contain membrane-bound organelles.
E. viruses.
Viruses are acellular entities that require a host to replicate, and they are not considered part of the protist kingdom.
Full Explanation
A. yeasts and molds: These are classified as fungi, not protists. They reproduce by spores and have distinct cellular structures different from protists.
B. algae and protozoa: Protists are a diverse group of mostly unicellular eukaryotes, and this category includes algae, which perform photosynthesis, and protozoa, which are animal-like and often motile.
C. helminths: Helminths are multicellular parasitic worms such as tapeworms and roundworms. They are not protists because they are much more complex organisms.
D. bacteria: Bacteria are prokaryotic microorganisms lacking a nucleus, while protists are eukaryotic and contain membrane-bound organelles.
E. viruses: Viruses are acellular entities that require a host to replicate, and they are not considered part of the protist kingdom.
Fungi can reproduce both sexually and asexually.
A. True
B. False
Full Explanation
True: Fungi have versatile reproductive strategies. They can reproduce asexually through methods such as budding, fragmentation, and spore formation, which allows rapid population increase. They can also reproduce sexually through the fusion of specialized cells, promoting genetic diversity and adaptation to changing environments.