PARASITOLOGY EXAM REVIEW |
COMPLETE STUDY GUIDE, PRACTICE
QUESTIONS AND ANSWERS
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Updated 2026 Questions and Answers
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,What are the three modes of transmission for parasitic D: Penetration, Vector, Ingestion
infections?
A: Ingestion, Contact, Vector
B: Vector, Airborne, Ingestion
C: Penetration, Contact, Vector
D: Penetration, Vector, Ingestion
How many stool samples should be collected when following C: 3
the typical O & P Collection Protocol?
A: 1
B: 2
C: 3
D: 4
What is the purpose of fixatives for the collection of stool C: Detect and identify protozoan trophs and cysts
samples:
A: Enhance the motility of protozoan
B: Identify protozoan trophs only
C: Detect and identify protozoan trophs and cysts
D: Identify protozoan cysts only
Which of the following characteristics is observed during the D: All of the above
macroscopic examination of stool specimen
A: Consistency
B: Color
C: Search for adult worms
Which of these procedures is involved in the microscopic A: Performing a concentration technique
examination of stool specimens for parasites
A: Performing a concentration technique
B: Determining the specimen consistency
C: Scan for intact worms
D: Analyze sample for color
,Which of the following is considered a human consequence of B: Iron Deficiency Anemia
parasitic infections?
A: Mononucleosis
B: Iron Deficiency Anemia
C: Leukemia
D: Granuloma
In the collection and transport of still specimens for parasites, C: Trophozoits
which parasitic stage is most affect length of time from
collection to examination?
A: Cysts
B: Adult Larvae
C: Trophozoits
D: None are affected
When using preservatives, what is the appropriate ratio of C: Three parts fixative to one part stool
fixative to stool?
A: One part fixative to one part stool
B: Two parts fixative to one part stool
C: Three parts fixative to one part stool
D: Four parts fixative to one part stool
Which of the preservatives contains mercuric chloride? B: PVA
A: 10% Formalin
B: PVA
C: SAF
D: MIF
Which technique is used to detect the eggs of Entrobius C: Cellophane tape prep
vermicularis?
A: Duodenal aspirate
B: Sigmoidoscopy
C: Cellophane tape prep
D: Skin Nips
, There are very few procedures considered STAT in C: Blood films for Malaria
parasitology. The most obvious situation would be:
A: O & P examination for Glardiasis
B: Urine sample for Trichomonas
C: Blood films for Malaria
D: Sputum sample for larvae
When analysis of blood smears for malaria are requested, C: Travel History, Antimalarial Medication, Date of Return to USA
what patient information should be obtained?
A: Diet, Gender, Travel History
B: Age, Gender, Fever Patterns
C: Travel History, Antimalarial Medication, Date of Return to
USA
D: Fever Patterns, Dietary, Age
For suspected cases of blood parasites, what type of smear is B: Thick smear air dried 6 hours
best for the detection of parasites?
A: Thick smear fixed with methanol
B: Thick smear air dried 6 hours
C: Thin smear fixed with methanol
D: Thin smear air dried 6 hours
The characteristic that most clearly differentiates cysts of D: A large glycogen vacuole
Iodamoeba Butschlii from other amebic cysts is (are):
A: Chromotoid bars with rounded ends
B: Eight nuclei with eccentrically located karyosome
C: Ingested bacteria and RBCs
D: A large glycogen vacuole
Acanthamoeba keratitis is usually associated with: C: Contact lens solutions & water activities while wearing lenses
A: Contaminated medications
B: Ingestion of the trophozoites
C: Contact lens solutions & water activities while wearing
lenses
D: Contaminated food and water
COMPLETE STUDY GUIDE, PRACTICE
QUESTIONS AND ANSWERS
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep
,What are the three modes of transmission for parasitic D: Penetration, Vector, Ingestion
infections?
A: Ingestion, Contact, Vector
B: Vector, Airborne, Ingestion
C: Penetration, Contact, Vector
D: Penetration, Vector, Ingestion
How many stool samples should be collected when following C: 3
the typical O & P Collection Protocol?
A: 1
B: 2
C: 3
D: 4
What is the purpose of fixatives for the collection of stool C: Detect and identify protozoan trophs and cysts
samples:
A: Enhance the motility of protozoan
B: Identify protozoan trophs only
C: Detect and identify protozoan trophs and cysts
D: Identify protozoan cysts only
Which of the following characteristics is observed during the D: All of the above
macroscopic examination of stool specimen
A: Consistency
B: Color
C: Search for adult worms
Which of these procedures is involved in the microscopic A: Performing a concentration technique
examination of stool specimens for parasites
A: Performing a concentration technique
B: Determining the specimen consistency
C: Scan for intact worms
D: Analyze sample for color
,Which of the following is considered a human consequence of B: Iron Deficiency Anemia
parasitic infections?
A: Mononucleosis
B: Iron Deficiency Anemia
C: Leukemia
D: Granuloma
In the collection and transport of still specimens for parasites, C: Trophozoits
which parasitic stage is most affect length of time from
collection to examination?
A: Cysts
B: Adult Larvae
C: Trophozoits
D: None are affected
When using preservatives, what is the appropriate ratio of C: Three parts fixative to one part stool
fixative to stool?
A: One part fixative to one part stool
B: Two parts fixative to one part stool
C: Three parts fixative to one part stool
D: Four parts fixative to one part stool
Which of the preservatives contains mercuric chloride? B: PVA
A: 10% Formalin
B: PVA
C: SAF
D: MIF
Which technique is used to detect the eggs of Entrobius C: Cellophane tape prep
vermicularis?
A: Duodenal aspirate
B: Sigmoidoscopy
C: Cellophane tape prep
D: Skin Nips
, There are very few procedures considered STAT in C: Blood films for Malaria
parasitology. The most obvious situation would be:
A: O & P examination for Glardiasis
B: Urine sample for Trichomonas
C: Blood films for Malaria
D: Sputum sample for larvae
When analysis of blood smears for malaria are requested, C: Travel History, Antimalarial Medication, Date of Return to USA
what patient information should be obtained?
A: Diet, Gender, Travel History
B: Age, Gender, Fever Patterns
C: Travel History, Antimalarial Medication, Date of Return to
USA
D: Fever Patterns, Dietary, Age
For suspected cases of blood parasites, what type of smear is B: Thick smear air dried 6 hours
best for the detection of parasites?
A: Thick smear fixed with methanol
B: Thick smear air dried 6 hours
C: Thin smear fixed with methanol
D: Thin smear air dried 6 hours
The characteristic that most clearly differentiates cysts of D: A large glycogen vacuole
Iodamoeba Butschlii from other amebic cysts is (are):
A: Chromotoid bars with rounded ends
B: Eight nuclei with eccentrically located karyosome
C: Ingested bacteria and RBCs
D: A large glycogen vacuole
Acanthamoeba keratitis is usually associated with: C: Contact lens solutions & water activities while wearing lenses
A: Contaminated medications
B: Ingestion of the trophozoites
C: Contact lens solutions & water activities while wearing
lenses
D: Contaminated food and water
