PARASITOLOGY COMPREHESIVE EXAM QUESTIONS AND
ANSWERS MARKED A+
✔✔Which of the following roundworms migrates to the lungs and can induce coughing
in a patient? - ✔✔Ascaris lumbricoides
✔✔The disease that this parasite causes is commonly called Amebic Dysentery. -
✔✔Entamoeba histolytica
✔✔What organism causes Blackwater Fever? - ✔✔Plasmodium falciparum
✔✔Plasmodium malariae is considered the rarest of the species and is similar in
morphology to the vivax species. T? F? - ✔✔False
✔✔Which parasite is considered endemic to Colorado? - ✔✔Giardia lamblia
✔✔All adult helminths produce? - ✔✔eggs
✔✔What flagellated protozoa may be seen in the analysis of urine specimens? -
✔✔Trichomonas vaginalis
✔✔What protozoa is a major problem for AIDS patients and requires an acid-fast stain
for detection in stool specimens? - ✔✔Cryptosporidium parvum
✔✔The host where the asexual or larval phase of the parasite occurs is known as the? -
✔✔Intermediate host
✔✔Both types of Trypanosomiasis infections are transmitted by mosquitos. T? F? -
✔✔False
✔✔Which statement is incorrect concerning thick blood smears?
A) Use 2-4 drops of blood
B) Fix the smear with methanol
C) Spread blood to an area the size of a dime
D) Use the smear to determine if blood parasites are present - ✔✔Fix the smear with
methanol
✔✔The best method to demonstrate the ova of Enterobius vermicularis is: -
✔✔examining a sctoch-tape prep that has been touched to the peri-anal area
✔✔Infection by the hookworm Necator is most likely contracted in what manner? -
✔✔skin penetration by larva in soil
, ✔✔All of the following EXCEPT ONE infect humans by entrance of the infective stage
through the skin. Which has a different portal of entry?
A) Giardia lamblia
B) Schistosoma mansoni
C) Necator americanus
D) Strongyloides stercoralis - ✔✔Giardia lamblia
✔✔African sleeping sickness is diagnosed by the observation of trypomastigotes in the
peripheral blood. T? F? - ✔✔True
✔✔Schistosomiasis is the most common worm infection seen in the United States. T?
F? - ✔✔False
✔✔The observation of packets of two-three organisms forming a maltese cross in
stained blood smears is characteristic of this organism? - ✔✔Babesia
✔✔A pear-shaped flagellate with an undulating membrane extending one half the length
of its body with four recurrent flagella but no anterior flagellum is: - ✔✔Trichomonas
vaginalis
✔✔Ancylostoma duodenale common name - ✔✔Old World Hookwork
✔✔Taenia saginata common name - ✔✔Beef Tapeworm
✔✔Trichuris trichiura common name - ✔✔whipworm
✔✔Taenia solium common name - ✔✔pork tapeworm
✔✔Strongyloides stercoralis common name - ✔✔threadworm
✔✔Necator americanus common name - ✔✔New World Hookworm
✔✔The microfilaria of which blood worm is sheathed, 250-300 micrometers in length,
and nuclei do not extend to the tip of the tail. - ✔✔Wuchereria bancrofti
✔✔This eggs of which organism are generally only found in urine? - ✔✔Schistosoma
haematobium
✔✔Which of the following is the vector for Plasmodium? - ✔✔Anopholes mosquitoes
✔✔The trichrome stain is useful in the detection of - ✔✔protozoa
ANSWERS MARKED A+
✔✔Which of the following roundworms migrates to the lungs and can induce coughing
in a patient? - ✔✔Ascaris lumbricoides
✔✔The disease that this parasite causes is commonly called Amebic Dysentery. -
✔✔Entamoeba histolytica
✔✔What organism causes Blackwater Fever? - ✔✔Plasmodium falciparum
✔✔Plasmodium malariae is considered the rarest of the species and is similar in
morphology to the vivax species. T? F? - ✔✔False
✔✔Which parasite is considered endemic to Colorado? - ✔✔Giardia lamblia
✔✔All adult helminths produce? - ✔✔eggs
✔✔What flagellated protozoa may be seen in the analysis of urine specimens? -
✔✔Trichomonas vaginalis
✔✔What protozoa is a major problem for AIDS patients and requires an acid-fast stain
for detection in stool specimens? - ✔✔Cryptosporidium parvum
✔✔The host where the asexual or larval phase of the parasite occurs is known as the? -
✔✔Intermediate host
✔✔Both types of Trypanosomiasis infections are transmitted by mosquitos. T? F? -
✔✔False
✔✔Which statement is incorrect concerning thick blood smears?
A) Use 2-4 drops of blood
B) Fix the smear with methanol
C) Spread blood to an area the size of a dime
D) Use the smear to determine if blood parasites are present - ✔✔Fix the smear with
methanol
✔✔The best method to demonstrate the ova of Enterobius vermicularis is: -
✔✔examining a sctoch-tape prep that has been touched to the peri-anal area
✔✔Infection by the hookworm Necator is most likely contracted in what manner? -
✔✔skin penetration by larva in soil
, ✔✔All of the following EXCEPT ONE infect humans by entrance of the infective stage
through the skin. Which has a different portal of entry?
A) Giardia lamblia
B) Schistosoma mansoni
C) Necator americanus
D) Strongyloides stercoralis - ✔✔Giardia lamblia
✔✔African sleeping sickness is diagnosed by the observation of trypomastigotes in the
peripheral blood. T? F? - ✔✔True
✔✔Schistosomiasis is the most common worm infection seen in the United States. T?
F? - ✔✔False
✔✔The observation of packets of two-three organisms forming a maltese cross in
stained blood smears is characteristic of this organism? - ✔✔Babesia
✔✔A pear-shaped flagellate with an undulating membrane extending one half the length
of its body with four recurrent flagella but no anterior flagellum is: - ✔✔Trichomonas
vaginalis
✔✔Ancylostoma duodenale common name - ✔✔Old World Hookwork
✔✔Taenia saginata common name - ✔✔Beef Tapeworm
✔✔Trichuris trichiura common name - ✔✔whipworm
✔✔Taenia solium common name - ✔✔pork tapeworm
✔✔Strongyloides stercoralis common name - ✔✔threadworm
✔✔Necator americanus common name - ✔✔New World Hookworm
✔✔The microfilaria of which blood worm is sheathed, 250-300 micrometers in length,
and nuclei do not extend to the tip of the tail. - ✔✔Wuchereria bancrofti
✔✔This eggs of which organism are generally only found in urine? - ✔✔Schistosoma
haematobium
✔✔Which of the following is the vector for Plasmodium? - ✔✔Anopholes mosquitoes
✔✔The trichrome stain is useful in the detection of - ✔✔protozoa
