Parasitology Chapter 1-5
which of the following are key discoveries that contributed to current knowledge about
parasites? - answersModifications of traditional parasite identification techniques.
Which of the following people may be at risk for contracting a parasitic infection? -
answersA toddler who attends an all day preschool or daycare center, and a 37 year old
south American refugee
The primary function of a host in a parasite-host relationship is to: - answersCarry on
the parasite's life cycle.
Which of the following key pieces of information may e extracted from the portion of a
parasite's life cycle that occurs outside the body? - answersEpidemiology and
prevention and control measures.
Which of the following groups of systems represents those most commonly observed in
parasitic infections? - answersAbdominal cramping, abdominal pain and diarrhea.
Which of the following represents examples of available treatment therapies to combat
parasitic infections? - answersChange in diet.
which of the following are examples of possible parasite prevention and control
measures? - answerspracticing proper sanitation practices.
Which of the following specimen type is most often submitted for parasite study? -
answersStool.
Which of the following correctly represents the three major groups of clinically significant
parasites. - answersProtozoa-single-celled parasites, Metazoa- Worms, Anthropods-
Insects and their allies
How many stool samples hat should be collected when following the typical O&P
collection - answers3
What is the purpose of fixatives for the collection of stool samples? - answersPreserve
the morphology of protozoa and prevent further development of helminths.
WHich of the following characteristics is observed during the macroscopic examinations
of stool specimens? - answersConsistency, color, and adult worms.
, Which of these procedures s involved int he microscopic examination of stool
specimens for parasites? - answersPerforming a consecration technique.
The direct wet preparation can be eliminated from the O&P examination if the specimen
is received in a fixative. (True or false) - answersTrue
Which of the following parasitic stages is not usually detected after using a
concentration technique? - answersProtozoan Trophozoites
The permanent stained smear is crucial for detection of helminth eggs and larvae (True
of false) - answersFalse
What is one advantage of the stool screening method? - answersIt is highly sensitive
and specific.
From which area can the Enterotest be used to collect specimens? -
answersDuodenum
Thick blood smears for malaria are recommended for species identification. (true or
false) - answersFalse
Gemsa is the preferred stain for the detection of blood parasites. (True or False) -
answersTrue
Which of the following is the specimen of choice to demonstrate intracellular parasites
such as Toxoplasma Gondii and Leshmania spp.?
Sputum
Urine
Tissue
Genital secretions - answersTissue
The detection of an antibody to a given parasite in a patient with no previous exposure
prior to travel to an endemic area can be considered a positive result. (True of false) -
answersTrue.
Which one of these parasites should be quantitated in a parasitology report? -
answersBlastocysistosis Hominis.
Amebas transform from trophozoites to cysts on entry into a unsuspecting human (true
or false) - answersFalse
Formed stool specimens are more likely to contain which of the following. -
answersCysts
which of the following are key discoveries that contributed to current knowledge about
parasites? - answersModifications of traditional parasite identification techniques.
Which of the following people may be at risk for contracting a parasitic infection? -
answersA toddler who attends an all day preschool or daycare center, and a 37 year old
south American refugee
The primary function of a host in a parasite-host relationship is to: - answersCarry on
the parasite's life cycle.
Which of the following key pieces of information may e extracted from the portion of a
parasite's life cycle that occurs outside the body? - answersEpidemiology and
prevention and control measures.
Which of the following groups of systems represents those most commonly observed in
parasitic infections? - answersAbdominal cramping, abdominal pain and diarrhea.
Which of the following represents examples of available treatment therapies to combat
parasitic infections? - answersChange in diet.
which of the following are examples of possible parasite prevention and control
measures? - answerspracticing proper sanitation practices.
Which of the following specimen type is most often submitted for parasite study? -
answersStool.
Which of the following correctly represents the three major groups of clinically significant
parasites. - answersProtozoa-single-celled parasites, Metazoa- Worms, Anthropods-
Insects and their allies
How many stool samples hat should be collected when following the typical O&P
collection - answers3
What is the purpose of fixatives for the collection of stool samples? - answersPreserve
the morphology of protozoa and prevent further development of helminths.
WHich of the following characteristics is observed during the macroscopic examinations
of stool specimens? - answersConsistency, color, and adult worms.
, Which of these procedures s involved int he microscopic examination of stool
specimens for parasites? - answersPerforming a consecration technique.
The direct wet preparation can be eliminated from the O&P examination if the specimen
is received in a fixative. (True or false) - answersTrue
Which of the following parasitic stages is not usually detected after using a
concentration technique? - answersProtozoan Trophozoites
The permanent stained smear is crucial for detection of helminth eggs and larvae (True
of false) - answersFalse
What is one advantage of the stool screening method? - answersIt is highly sensitive
and specific.
From which area can the Enterotest be used to collect specimens? -
answersDuodenum
Thick blood smears for malaria are recommended for species identification. (true or
false) - answersFalse
Gemsa is the preferred stain for the detection of blood parasites. (True or False) -
answersTrue
Which of the following is the specimen of choice to demonstrate intracellular parasites
such as Toxoplasma Gondii and Leshmania spp.?
Sputum
Urine
Tissue
Genital secretions - answersTissue
The detection of an antibody to a given parasite in a patient with no previous exposure
prior to travel to an endemic area can be considered a positive result. (True of false) -
answersTrue.
Which one of these parasites should be quantitated in a parasitology report? -
answersBlastocysistosis Hominis.
Amebas transform from trophozoites to cysts on entry into a unsuspecting human (true
or false) - answersFalse
Formed stool specimens are more likely to contain which of the following. -
answersCysts
