Human Parasites: What Is?
Human Parasites
Questions and Answers
- 1.
What is Histoplasma capsulatum?
- A.
Mycoplasma
- B.
Fungus
- C.
Amoeba
- D.
Protozoa
- E.
Worm
Correct Answer
B. FungusExplanation
Histoplasma capsulatum is a type of fungus. It is responsible for causing a disease called histoplasmosis, which primarily affects the lungs. This fungus is commonly found in soil that contains bird or bat droppings. When the soil is disturbed, the spores of Histoplasma capsulatum can become airborne and be inhaled by humans, leading to infection. Therefore, the correct answer is "Fungus".Rate this question:
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- 2.
What is Toxocara spp.?
- A.
Mycoplasma
- B.
Worm
- C.
Fungus
- D.
Protozoa
- E.
Amoeba
Correct Answer
B. WormExplanation
Toxocara spp. refers to a group of worms. These worms belong to the genus Toxocara and are commonly found in animals such as dogs and cats. They can also infect humans, causing a condition known as toxocariasis. This parasitic infection can lead to various symptoms including fever, cough, abdominal pain, and in severe cases, organ damage. Therefore, the correct answer is worm.Rate this question:
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- 3.
What is Neagleria fowleri?
- A.
Mycoplasma
- B.
Fungus
- C.
Amoeba
- D.
Worm
- E.
Chlamydia
Correct Answer
C. AmoebaExplanation
Neagleria fowleri is a type of amoeba. It is a single-celled organism that can be found in warm freshwater environments such as lakes and hot springs. Neagleria fowleri is known for causing a rare but serious infection called primary amebic meningoencephalitis (PAM) in humans. This infection affects the brain and spinal cord, and it is usually acquired when contaminated water enters the nasal passages.Rate this question:
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- 4.
What is Pneumocystis carinii (jiroveci)?
- A.
Mycoplasma
- B.
Protozoa
- C.
Chlamydia
- D.
Worm
- E.
Fungus
Correct Answer
E. FungusExplanation
Pneumocystis carinii (jiroveci) is a fungus. It is a type of fungus that can cause pneumonia in individuals with weakened immune systems, such as those with HIV/AIDS. It is commonly referred to as Pneumocystis jiroveci, and it is an opportunistic pathogen that can cause severe respiratory symptoms. Treatment typically involves antifungal medications.Rate this question:
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- 5.
What is Trichinella spiralis?
- A.
Mycoplasma
- B.
Fungus
- C.
Amoeba
- D.
Worm
- E.
Protozoa
Correct Answer
D. WormExplanation
Trichinella spiralis is a parasitic worm that causes the disease trichinosis. It is commonly found in undercooked or raw meat, particularly pork. The worm infects the intestines and then migrates to the muscles, where it forms cysts. Symptoms of trichinosis can include muscle pain, fever, and swelling around the eyes. Proper cooking and handling of meat can help prevent infection.Rate this question:
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- 6.
What is Trichomonas vaginalis?
- A.
Protozoa
- B.
Mycoplasma
- C.
Fungus
- D.
Worm
- E.
Chlamydia
Correct Answer
A. ProtozoaExplanation
Trichomonas vaginalis is a type of protozoa. Protozoa are single-celled organisms that can cause various infections in humans and animals. Trichomonas vaginalis specifically causes trichomoniasis, a sexually transmitted infection that affects the genital area. It is not classified as a mycoplasma, fungus, worm, or chlamydia, which are all different types of microorganisms or infections.Rate this question:
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- 7.
What is Trichuris trichiuria?
- A.
Mycoplasma
- B.
Fungus
- C.
Amoeba
- D.
Worm
- E.
Rickettsia
Correct Answer
D. WormExplanation
Trichuris trichiura is a type of worm. It is a parasitic roundworm that infects the large intestine of humans. This worm is commonly known as the whipworm due to its whip-like shape. It is transmitted through the ingestion of contaminated food or water, and it can cause a range of symptoms including abdominal pain, diarrhea, and anemia. Treatment typically involves the use of antiparasitic medications to eliminate the infection.Rate this question:
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- 8.
What is Taenia spp.?
- A.
Mycoplasma
- B.
Fungus
- C.
Protozoa
- D.
Worm
- E.
Chlamydia
Correct Answer
D. WormExplanation
Taenia spp. refers to a group of parasitic worms that infect animals, including humans. These worms belong to the class Cestoda and are commonly known as tapeworms. They have a long, flat body consisting of multiple segments called proglottids. Taenia spp. typically have a complex life cycle involving intermediate hosts, such as pigs or cattle, and definitive hosts, such as humans. Infection occurs through the ingestion of contaminated food or water containing the larvae of the tapeworm. Once inside the host's intestines, the tapeworm can cause various health issues.Rate this question:
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- 9.
What is Plasmodium spp.?
- A.
Mycoplasma
- B.
Fungus
- C.
Protozoa
- D.
Chlamydia
- E.
Worm
Correct Answer
C. ProtozoaExplanation
Plasmodium spp. refers to a group of protozoa. Protozoa are single-celled organisms that belong to the kingdom Protista. Plasmodium spp. are specifically known for causing malaria in humans and other animals. They are transmitted through the bite of infected mosquitoes. This explanation provides information about Plasmodium spp. being a type of protozoa, which is the correct answer choice.Rate this question:
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- 10.
What is Coxiella burnettii?
- A.
Chlamydia
- B.
Mycoplasma
- C.
Fungus
- D.
Worm
- E.
Rickettsia
Correct Answer
E. RickettsiaExplanation
Coxiella burnetii is a bacterium that causes Q fever, a disease that affects both humans and animals. It is classified under the genus Rickettsia, which includes various bacteria that are known to cause diseases such as Rocky Mountain spotted fever and typhus. Rickettsia bacteria are typically transmitted through arthropod vectors, such as ticks and fleas. Therefore, the correct answer is Rickettsia.Rate this question:
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- 11.
What is Ureaplasma urealyticum ?
- A.
Worm
- B.
Fungus
- C.
Protozoa
- D.
Mycoplasma
- E.
Rickettsia
Correct Answer
D. MycoplasmaExplanation
Ureaplasma urealyticum is a type of bacteria belonging to the genus Mycoplasma. It is a common cause of urinary tract infections and is also associated with other reproductive and respiratory tract infections. Unlike most bacteria, Mycoplasma lack a cell wall, making them resistant to many antibiotics. Ureaplasma urealyticum is typically transmitted through sexual contact and can cause symptoms such as burning during urination, discharge, and pelvic pain. Treatment usually involves antibiotics that are effective against Mycoplasma.Rate this question:
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- 12.
What is Enterobius vermicularis?
- A.
Fungus
- B.
Amoeba
- C.
Worm
- D.
Chlamydia
- E.
Rickettsia
Correct Answer
C. WormExplanation
Enterobius vermicularis is a type of worm. It is commonly known as the pinworm and is a common parasitic infection in humans. It is a small, white, thread-like worm that infects the intestines and causes symptoms such as itching around the anus, especially at night. It is usually transmitted through the ingestion of pinworm eggs, which can be found on contaminated surfaces or objects. Treatment typically involves medication to kill the worms and proper hygiene practices to prevent reinfection.Rate this question:
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- 13.
What is Cryptococcus neoformans?
- A.
Fungus
- B.
Amoeba
- C.
Protozoa
- D.
Worm
- E.
Rickettsia
Correct Answer
A. FungusExplanation
Cryptococcus neoformans is a type of fungus. It is a pathogenic yeast that can cause infections in humans, particularly in individuals with weakened immune systems. The fungus is commonly found in the environment, such as in soil and bird droppings. It can be inhaled and cause lung infections, and in severe cases, it can spread to other parts of the body, including the brain. Cryptococcus neoformans is an opportunistic pathogen and is a significant cause of mortality in immunocompromised individuals, such as those with HIV/AIDS.Rate this question:
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- 14.
What is Balantidium coli?
- A.
Fungus
- B.
Protozoa
- C.
Worm
- D.
Chlamydia
- E.
Rickettsia
Correct Answer
B. ProtozoaExplanation
Balantidium coli is a protozoa. Protozoa are single-celled organisms that are classified under the kingdom Protista. They are eukaryotic, meaning they have a true nucleus, and they can be found in various environments including soil, water, and the bodies of plants and animals. Balantidium coli is a parasitic protozoa that can infect the intestines of humans and animals, causing a disease called balantidiasis. It is commonly found in areas with poor sanitation and can be transmitted through the ingestion of contaminated food or water.Rate this question:
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- 15.
What is Candida albicans?
- A.
Yeast
- B.
Amoeba
- C.
Worm
- D.
Chlamydia
- E.
Rickettsia
Correct Answer
A. YeastExplanation
Candida albicans is a type of yeast. Yeasts are single-celled fungi that reproduce by budding. Candida albicans is commonly found in the human body, particularly in the mouth, intestines, and genital tract. While it is normally harmless, it can cause infections in certain situations, such as when the immune system is weakened or when there is an overgrowth of the yeast. These infections can occur in various parts of the body, including the mouth (oral thrush), vagina (vaginal yeast infection), and skin (cutaneous candidiasis). Therefore, the correct answer is yeast.Rate this question:
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- 16.
What is Acanthamoeba spp.?
- A.
Mycoplasma
- B.
Fungus
- C.
Worm
- D.
Chlamydia
- E.
Amoeba
Correct Answer
E. AmoebaExplanation
Acanthamoeba spp. is a type of amoeba. Amoebas are single-celled organisms that move and feed by extending their pseudopods, or false feet. They are found in various environments, including soil and freshwater. Acanthamoeba spp. specifically refers to a group of amoebas that have characteristic spiny structures on their surface. These amoebas can cause infections in humans, particularly in the eyes, skin, and central nervous system. Therefore, the correct answer is Amoeba.Rate this question:
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- 17.
What is Giardia lamblia?
- A.
Mycrplasma
- B.
Protozoa
- C.
Worm
- D.
Rickettsia
- E.
Fungus
Correct Answer
B. ProtozoaExplanation
Giardia lamblia is a protozoan parasite that infects the gastrointestinal tract of humans and animals. It is a common cause of diarrheal illness worldwide, especially in areas with poor sanitation. Giardia lamblia is transmitted through the ingestion of contaminated food or water, and it can cause symptoms such as diarrhea, abdominal pain, and weight loss. Treatment typically involves antiparasitic medications to eliminate the infection.Rate this question:
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- 18.
What is Ancylostoma duodenale?
- A.
Fungus
- B.
Protozoa
- C.
Worm
- D.
Chlamydia
- E.
Rickettsia
Correct Answer
C. WormExplanation
Ancylostoma duodenale is a type of worm. It is a parasitic nematode that infects the small intestine of humans. This worm is commonly known as the hookworm and is responsible for causing a condition called hookworm disease or ancylostomiasis. The worm attaches itself to the intestinal wall and feeds on the host's blood, leading to symptoms such as anemia, abdominal pain, and diarrhea. It is primarily found in tropical and subtropical regions and is transmitted through contact with contaminated soil.Rate this question:
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- 19.
What is Trypanosoma spp.?
- A.
Fungus
- B.
Chlamydia
- C.
Rickettsia
- D.
Protozoa
- E.
Worm
Correct Answer
D. ProtozoaExplanation
Trypanosoma spp. is a type of protozoa. Protozoa are single-celled organisms that belong to the kingdom Protista. They are eukaryotic organisms, meaning they have a true nucleus and other membrane-bound organelles. Trypanosoma spp. are parasitic protozoa that can cause diseases in humans and animals, such as African trypanosomiasis, also known as sleeping sickness. These parasites are transmitted to humans and animals through the bite of infected tsetse flies. They can cause a range of symptoms, including fever, fatigue, and neurological problems. Therefore, the correct answer is protozoa.Rate this question:
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- 20.
What is Ascaris lumbricoides?
- A.
Yeast
- B.
Worm
- C.
Protozoa
- D.
Fungus
- E.
Amoeba
Correct Answer
B. WormExplanation
Ascaris lumbricoides is a type of worm. It is a common intestinal parasite that infects humans and animals. It is one of the largest and most common parasitic worms found in the human digestive system. Ascaris lumbricoides is transmitted through the ingestion of contaminated food or water, and it can cause various symptoms such as abdominal pain, diarrhea, and malnutrition. Treatment typically involves medication to kill the worms and prevent further infection.Rate this question:
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Mar 22, 2023Quiz Edited by
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Feb 15, 2010Quiz Created by
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