Podcast
Questions and Answers
Which of the following is the most common procedure performed to examine for parasites?
Which of the following is the most common procedure performed to examine for parasites?
- Examination of a blood film
- Examination of a stool specimen for Ova and Parasites (O&P) (correct)
- Examination of a cerebrospinal fluid sample
- Examination of a tissue biopsy
What is the recommended timeframe for examining a formed stool specimen?
What is the recommended timeframe for examining a formed stool specimen?
- Within 10 days
- Within 1 hour
- Within 30 minutes
- Within 24 hours (correct)
What is the recommended timeframe for examining a watery stool specimen?
What is the recommended timeframe for examining a watery stool specimen?
- Within 30 minutes (correct)
- Within 24 hours
- Within 10 days
- Within 1 hour
What is the recommended number of stool specimens to be collected for a routine stool examination?
What is the recommended number of stool specimens to be collected for a routine stool examination?
Which of the following substances should be avoided prior to collecting a stool specimen for parasite examination?
Which of the following substances should be avoided prior to collecting a stool specimen for parasite examination?
What is the maximum recommended storage time for a stool specimen prior to examination?
What is the maximum recommended storage time for a stool specimen prior to examination?
What is the recommended fixative to specimen volume ratio?
What is the recommended fixative to specimen volume ratio?
Which preservative is commonly used to preserve fresh stool for staining?
Which preservative is commonly used to preserve fresh stool for staining?
What is the recommended concentration of Formalin for preserving helminth eggs and larvae?
What is the recommended concentration of Formalin for preserving helminth eggs and larvae?
Which preservative does not contain mercuric chloride and has a long shelf-life?
Which preservative does not contain mercuric chloride and has a long shelf-life?
What would be the most appropriate method for concentrating preserved stool?
What would be the most appropriate method for concentrating preserved stool?
Which preservative was once considered the 'gold standard' for preserving protozoan trophozoites and cysts?
Which preservative was once considered the 'gold standard' for preserving protozoan trophozoites and cysts?
Which of the following parasites can cause auto-reinfection or hyperinfection in an already infected individual?
Which of the following parasites can cause auto-reinfection or hyperinfection in an already infected individual?
Which stage of the parasite is most important to consider when transporting clinical specimens to the laboratory?
Which stage of the parasite is most important to consider when transporting clinical specimens to the laboratory?
Which of the following statements is true regarding the pre-patent period and clinical incubation period?
Which of the following statements is true regarding the pre-patent period and clinical incubation period?
Which of the following parasites is a cestode (tapeworm)?
Which of the following parasites is a cestode (tapeworm)?
What is the primary purpose of sanitation in the context of parasitic infections?
What is the primary purpose of sanitation in the context of parasitic infections?
Which of the following terms refers to an individual who harbors a pathogen but does not exhibit symptoms?
Which of the following terms refers to an individual who harbors a pathogen but does not exhibit symptoms?
What is the common name for Ascaris lumbricoides?
What is the common name for Ascaris lumbricoides?
Which of the following nematodes is a member of Soil Transmitted Helminths (STH)?
Which of the following nematodes is a member of Soil Transmitted Helminths (STH)?
Where is the habitat of Trichinella spiralis (adult) located?
Where is the habitat of Trichinella spiralis (adult) located?
Which nematode has the diagnostic stage of Ova found in the stool?
Which nematode has the diagnostic stage of Ova found in the stool?
In which part of the body does Strongyloides stercoralis reside?
In which part of the body does Strongyloides stercoralis reside?
What is the vector of Ascaris lumbricoides?
What is the vector of Ascaris lumbricoides?
Where does Ascaris lumbricoides primarily reside in the human body?
Where does Ascaris lumbricoides primarily reside in the human body?
What is the common name for Trichinella spiralis?
What is the common name for Trichinella spiralis?
Which adult worm is characterized by an anterior end with lateral wings or cephalic alae?
Which adult worm is characterized by an anterior end with lateral wings or cephalic alae?
In which part of the human body do hookworms typically mature into adults?
In which part of the human body do hookworms typically mature into adults?
What is the primary symptom associated with pinworm infection?
What is the primary symptom associated with pinworm infection?
Which type of chemoreceptor is most likely responsible for the increased eosinophil count observed in Ascaris pneumonitis?
Which type of chemoreceptor is most likely responsible for the increased eosinophil count observed in Ascaris pneumonitis?
Based on the information provided, which adult worm is most likely to reside in the large intestine?
Based on the information provided, which adult worm is most likely to reside in the large intestine?
Which of the following statements about Ascaris lumbricoides is correct?
Which of the following statements about Ascaris lumbricoides is correct?
Which of the following parasites is most likely to cause autoinfection in the host?
Which of the following parasites is most likely to cause autoinfection in the host?
Which of the following is the most appropriate treatment option for a patient with visceral larva migrans caused by Toxocara species?
Which of the following is the most appropriate treatment option for a patient with visceral larva migrans caused by Toxocara species?
Which of the following is the primary mode of transmission for Trichinella spiralis?
Which of the following is the primary mode of transmission for Trichinella spiralis?
What is the habitat of Ancylostoma braziliense?
What is the habitat of Ancylostoma braziliense?
Which nematode species has the larva L3 stage characterized by a short and stout body?
Which nematode species has the larva L3 stage characterized by a short and stout body?
What is the common name for Necator americanus?
What is the common name for Necator americanus?
Which nematode species has an adult specie with 2 pairs of teeth?
Which nematode species has an adult specie with 2 pairs of teeth?
Where does the larva L1 (rhabditiform larva) of Ancylostoma caninum have an open mouth for feeding?
Where does the larva L1 (rhabditiform larva) of Ancylostoma caninum have an open mouth for feeding?
In the life cycle of hookworms, which stage is characterized by a sheathed, pointed tail?
In the life cycle of hookworms, which stage is characterized by a sheathed, pointed tail?
What is the primary mode of transmission for the threadworm, Strongyloides stercoralis?
What is the primary mode of transmission for the threadworm, Strongyloides stercoralis?
Which of the following is the most characteristic symptom of the acute gastrointestinal phase of hookworm infection?
Which of the following is the most characteristic symptom of the acute gastrointestinal phase of hookworm infection?
What is the primary diagnostic stage used to identify an infection with the threadworm, Strongyloides stercoralis?
What is the primary diagnostic stage used to identify an infection with the threadworm, Strongyloides stercoralis?
Which of the following is the most significant pathological consequence of heavy hookworm infection?
Which of the following is the most significant pathological consequence of heavy hookworm infection?
What is the primary location where the adult stage of Strongyloides stercoralis resides in the human host?
What is the primary location where the adult stage of Strongyloides stercoralis resides in the human host?
What is the primary mechanism by which Strongyloides stercoralis can cause a severe, life-threatening condition known as hyperinfection?
What is the primary mechanism by which Strongyloides stercoralis can cause a severe, life-threatening condition known as hyperinfection?
Which parasite is known to cause a serious life-threatening condition characterized by diarrhea, respiratory distress, hypoalbuminemia, and edema?
Which parasite is known to cause a serious life-threatening condition characterized by diarrhea, respiratory distress, hypoalbuminemia, and edema?
What is the mode of transmission for Anisakis simplex, the 'Herringworm' or 'Codworm' parasite?
What is the mode of transmission for Anisakis simplex, the 'Herringworm' or 'Codworm' parasite?
Which of the following is the definitive host for the Anisakis simplex parasite?
Which of the following is the definitive host for the Anisakis simplex parasite?
Which parasite is known to cause a condition called 'Larva Currens', characterized by tracks under the skin from worm migration?
Which parasite is known to cause a condition called 'Larva Currens', characterized by tracks under the skin from worm migration?
Which of the following parasites is known to cause an allergic reaction at the site of larval penetration?
Which of the following parasites is known to cause an allergic reaction at the site of larval penetration?
Which parasite is known to cause a condition called 'Vietnam Diarrhea' or 'Cochin China Diarrhea', characterized by intermittent diarrhea?
Which parasite is known to cause a condition called 'Vietnam Diarrhea' or 'Cochin China Diarrhea', characterized by intermittent diarrhea?
What is the habitat of Trichinella spiralis larva?
What is the habitat of Trichinella spiralis larva?
Which of the following is NOT a common name for Trichinella spiralis?
Which of the following is NOT a common name for Trichinella spiralis?
In which host does Trichinella spiralis reach its adult stage?
In which host does Trichinella spiralis reach its adult stage?
What is the primary mode of transmission for Trichinella spiralis to infect humans?
What is the primary mode of transmission for Trichinella spiralis to infect humans?
What is the main habitat of adult Trichinella spiralis within the host?
What is the main habitat of adult Trichinella spiralis within the host?
Which statement best describes the life cycle of Trichinella spiralis?
Which statement best describes the life cycle of Trichinella spiralis?
Which host serves as a Dead-end Host for Trichinella spiralis?
Which host serves as a Dead-end Host for Trichinella spiralis?
Where does the larva L3 stage of Parastrongylus cantonensis move to after being ingested by an intermediate host?
Where does the larva L3 stage of Parastrongylus cantonensis move to after being ingested by an intermediate host?
Which host serves as the natural or definitive host for Rat Lungworm (Parastrongylus cantonensis)?
Which host serves as the natural or definitive host for Rat Lungworm (Parastrongylus cantonensis)?
Where is the infective stage of Trichinella spiralis found within the human host?
Where is the infective stage of Trichinella spiralis found within the human host?
In the life cycle of Trichinella spiralis, what is the impact of thorough cooking of meats from infected animals?
In the life cycle of Trichinella spiralis, what is the impact of thorough cooking of meats from infected animals?
What type of appearance does the adult female worm of Parastrongylus cantonensis exhibit?
What type of appearance does the adult female worm of Parastrongylus cantonensis exhibit?
What is the mode of transmission for Parastrongylus cantonensis to humans?
What is the mode of transmission for Parastrongylus cantonensis to humans?
In which part of the body do the adult filarial worms like Parastrongylus cantonensis primarily reside?
In which part of the body do the adult filarial worms like Parastrongylus cantonensis primarily reside?
What is the primary method of treatment for infections caused by Trichinella spiralis larvae within muscle tissue?
What is the primary method of treatment for infections caused by Trichinella spiralis larvae within muscle tissue?
What term is used to describe the localized areas of transient angioedema seen in onchocerciasis?
What term is used to describe the localized areas of transient angioedema seen in onchocerciasis?
Which vector is responsible for transmitting Loa loa, the African Eye worm?
Which vector is responsible for transmitting Loa loa, the African Eye worm?
Where do Mansonella ozzardi primarily reside in the human host?
Where do Mansonella ozzardi primarily reside in the human host?
Which Mansonella species has nuclei that extend to the tip of the tail bent in the form of a shepherd’s crook?
Which Mansonella species has nuclei that extend to the tip of the tail bent in the form of a shepherd’s crook?
What is the common name for Ozzard’s filariasis caused by Mansonella ozzardi?
What is the common name for Ozzard’s filariasis caused by Mansonella ozzardi?
Which stage is considered the diagnostic stage for Loa loa when found in peripheral blood?
Which stage is considered the diagnostic stage for Loa loa when found in peripheral blood?
What is the definitive mode of diagnosis for identifying adult worm presence in onchocerciasis?
What is the definitive mode of diagnosis for identifying adult worm presence in onchocerciasis?
What condition may occur in onchocerciasis where encephalopathy, cardiomyopathy, and nephropathy develop?
What condition may occur in onchocerciasis where encephalopathy, cardiomyopathy, and nephropathy develop?
Which of the following statements about Mansonella streptocerca is correct?
Which of the following statements about Mansonella streptocerca is correct?
What is the infective stage of Dirofilaria immitis, the dog heartworm?
What is the infective stage of Dirofilaria immitis, the dog heartworm?
Which of the following statements about Gnathostoma spinigerum is correct?
Which of the following statements about Gnathostoma spinigerum is correct?
What is the mode of transmission for Thelazia callipaeda, the Oriental Eye Worm?
What is the mode of transmission for Thelazia callipaeda, the Oriental Eye Worm?
Which of the following statements about the periodicity of microfilariae is correct?
Which of the following statements about the periodicity of microfilariae is correct?
Which of the following is the primary habitat of adult filarial worms in humans?
Which of the following is the primary habitat of adult filarial worms in humans?
Which of the following statements about the life cycle of filarial nematodes is correct?
Which of the following statements about the life cycle of filarial nematodes is correct?
Which of the following statements about the diagnostic stages of filarial nematodes is correct?
Which of the following statements about the diagnostic stages of filarial nematodes is correct?
Which of the following statements accurately describes the life cycle of Dracunculus medinensis (Guinea Worm)?
Which of the following statements accurately describes the life cycle of Dracunculus medinensis (Guinea Worm)?
Which of the following statements accurately describes the periodicity of microfilariae in filarial infections?
Which of the following statements accurately describes the periodicity of microfilariae in filarial infections?
Which of the following characteristics is used to speciate microfilariae in blood nematode infections?
Which of the following characteristics is used to speciate microfilariae in blood nematode infections?
Which of the following statements accurately describes the habitat and hosts of filarial worms?
Which of the following statements accurately describes the habitat and hosts of filarial worms?
Which of the following filarial worms shows nocturnal periodicity and is transmitted by Aedes, Anopheles, and Mansonia mosquitoes?
Which of the following filarial worms shows nocturnal periodicity and is transmitted by Aedes, Anopheles, and Mansonia mosquitoes?
Which of the following features distinguishes Brugia malayi microfilariae from those of Wuchereria bancrofti?
Which of the following features distinguishes Brugia malayi microfilariae from those of Wuchereria bancrofti?
Which of the following parasites is known as the 'River Blindness Worm' or 'Blinding Worm' and is transmitted by Simulium black flies?
Which of the following parasites is known as the 'River Blindness Worm' or 'Blinding Worm' and is transmitted by Simulium black flies?
Which of the following statements accurately describes the habitat of adult filarial worms?
Which of the following statements accurately describes the habitat of adult filarial worms?
