Parasitology Midterm
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- 1.
It is the largest roundworm.
- A.
Enterobius vermicularis
- B.
Ascaris lumbricoides
- C.
Strongyloides stercoralis
- D.
Ancylostoma duodenale
Correct Answer
B. Ascaris lumbricoides -
- 2.
Which of the following is not a pathophysiology of A. lumbricoides?
- A.
Ascariasis
- B.
Roundworm infection
- C.
Loeffler's Syndrome
- D.
Cochin China Disease
Correct Answer
D. Cochin China Disease -
- 3.
It is associated with Rectal Prolapse and Peristalsis.
- A.
Entobius vermicularis
- B.
Trichuris trichiura
- C.
Ascaris lumbricoides
- D.
None of the above
Correct Answer
B. Trichuris trichiura -
- 4.
It resembles a pencil lead thickness.
- A.
Male Ascaris lumbricodes
- B.
Fertilized egg of Ascaris lumbricodes
- C.
Unfertilized egg of Ascaris lumbricodes
- D.
Female Ascaris lumbricodes
Correct Answer
D. Female Ascaris lumbricodes -
- 5.
It is a secretory product of the egg and it is chitinous.
- A.
Chorionic Shell
- B.
Vitelline membrane
- C.
True shell
- D.
Both a and c
Correct Answer
D. Both a and c -
- 6.
It is a tubular or funnel-shaped for sucking purposes.
- A.
Esophagus
- B.
Buccal cavity
- C.
Mouth
- D.
Anus
Correct Answer
B. Buccal cavity -
- 7.
It is the outermost layer of an ovum and has a tanning action.
- A.
Albuminous layer
- B.
Vitelline Membrane
- C.
Chitin
- D.
True shell
Correct Answer
A. Albuminous layer -
- 8.
An esophageal type that is long, tube-like muscled cells.
- A.
Rhabditis type
- B.
Stichosome type
- C.
Filarial type
- D.
Both a and c
Correct Answer
C. Filarial type -
- 9.
It is a thin needle-like that injects spermatozoa through the seminal vesicle.
- A.
Copulatory spicules
- B.
Copulatory bursa
- C.
Both a and b
- D.
None of the above
Correct Answer
A. Copulatory spicules -
- 10.
It is a muscular tube that pumps food posteriorly.
- A.
Esophagus
- B.
Buccal Cavity
- C.
Mouth
- D.
Intestine
Correct Answer
A. Esophagus -
- 11.
It is used for grasping female nematode during copulation.
- A.
Copulatory spicules
- B.
Copualtory bursa
- C.
Both a and b
- D.
None of the above
Correct Answer
B. Copualtory bursa -
- 12.
It is firmed immediately after sperm penetration. A waxy, colorless lipoidal in nature.
- A.
Vitelline membrane
- B.
Fertilization membrane
- C.
Both a and b
- D.
True layer
Correct Answer
C. Both a and b -
- 13.
It is an esophageal type made up of chain of basophilic granular myocytes.
- A.
Filarial type
- B.
Rhabditis type
- C.
Stichosome type
- D.
None of the above
Correct Answer
C. Stichosome type -
- 14.
Classification of female adult wherein ova is released.
- A.
Oviparous
- B.
Viviparous
- C.
Pathenogenic
- D.
None of the above
Correct Answer
A. Oviparous -
- 15.
Classification of female adult wherein larva is released.
- A.
Parthenogenic
- B.
Viviparous
- C.
Larviparous
- D.
All, except a
Correct Answer
D. All, except a -
- 16.
Classification of female adult wherein it can produce viable eggs without being fertilized by the male worms.
- A.
Parthenogenic
- B.
Viviparous
- C.
Larviparous
- D.
Oviparous
Correct Answer
A. Parthenogenic -
- 17.
Choose the following that lives in the Large Intestine
- A.
Trichuris trichiura
- B.
Ascaris lumbricoides
- C.
Hookworms
- D.
Enterobius vermicularis
- E.
Capillaria philippinensis
Correct Answer(s)
A. Trichuris trichiura
D. Enterobius vermicularis -
- 18.
Choose the nematodes that inhabit the Small Intestine
- A.
Ascaris lumbricoides
- B.
Capillaria philippinensis
- C.
Trichuris trichiura
- D.
Enterobius vermicularis
- E.
Hookworms
- F.
Strongyloides stercoralis
Correct Answer(s)
A. Ascaris lumbricoides
E. Hookworms
F. Strongyloides stercoralis -
- 19.
Which of the following is the Direct Transmission of Strongyloides stercoralis?
- A.
Rhabditiform -> Larva -> Feces -> Filariform in environment
- B.
Rhabditiform -> Free-living State
- C.
Rhabditiform -> (Free-living) Filariform
- D.
None of the above
Correct Answer
A. Rhabditiform -> Larva -> Feces -> Filariform in environment -
- 20.
It has a characteristic of creamy white color with pink tint.
- A.
Strongyloides stercoralis
- B.
Trichinella spiralis
- C.
Ascaris lumbricoides
- D.
Trichuris trichiura
Correct Answer
C. Ascaris lumbricoides -
- 21.
It is associated with Microcytic Hypochronic Anemia.
- A.
Necator americanus
- B.
Ancylostoma duodenale
- C.
Strongyloides stercoralis
- D.
Both a and b
Correct Answer
B. Ancylostoma duodenale -
- 22.
The egg of this nematode is Letter "D" or loopsided.
- A.
Ascaris lumbricoides
- B.
Trichuris trichiura
- C.
Capillaria philippinensis
- D.
Enterobius vermicularis
Correct Answer
D. Enterobius vermicularis -
- 23.
Most preferred laboratory diagnosis of Enterobius vermicularis.
- A.
ELISA
- B.
Direct Fecal Smear
- C.
Cellophane tape preparation
- D.
Knott Technique
Correct Answer
C. Cellophane tape preparation -
- 24.
It is associated with ulcerative colitis.
- A.
Trichuris trichiura
- B.
Ascaris lumbricoides
- C.
Trichinella spiralis
- D.
Dracunculus medinensis
Correct Answer
A. Trichuris trichiura -
- 25.
Which of the following is not associated with Strongyloides stercoralis?
- A.
Cutaneous larval migrans
- B.
Cochin china disease
- C.
Strongyloidiasis
- D.
Urticaria
Correct Answer
A. Cutaneous larval migrans -
- 26.
Which of the following is not a treatment of choice in treating nematodes?
- A.
Albendazole
- B.
Mebendazole
- C.
Pyrantel pamoate
- D.
Doxycycline
Correct Answer
D. Doxycycline -
- 27.
It is a characteristic of an ova of Capillaria philippinensis.
- A.
Chinese letter palisade
- B.
D shape
- C.
Peanut shaped
- D.
Japanese lantern
Correct Answer
C. Peanut shaped -
- 28.
Nematode that inhibits striated muscles
- A.
Trichina worm
- B.
Pudoc worm
- C.
Threadworm
- D.
Dracunculus medinensis
Correct Answer
A. Trichina worm -
- 29.
Nematode that inhibits the subcutaneous tissue.
- A.
Pinworm
- B.
Fiery serpent worm
- C.
Guinea worm
- D.
Both b and c
Correct Answer
D. Both b and c -
- 30.
It is acquired through the ingestion of undercooked contaminated meat (striated muslce).
- A.
Trichina worm
- B.
Pudoc worm
- C.
Threadworm
- D.
Guinea worm
Correct Answer
A. Trichina worm -
- 31.
It causes oxyuriasis.
- A.
Enterobius vermicularis
- B.
Trichuris trichiura
- C.
Ascaris lumbricoides
- D.
Hookworms
Correct Answer
A. Enterobius vermicularis -
- 32.
It is acquired through the ingestion of contaminated water containing copepods with L3 Larvae.
- A.
Dracunculus medinensis
- B.
Guinea worm
- C.
Fiery serpent worm
- D.
All of the above
Correct Answer
D. All of the above -
- 33.
It is an intermediate host of Capillaria philippinensis.
- A.
Brackish water fish
- B.
Humans
- C.
Migratory Birds
- D.
Copepods
Correct Answer
A. Brackish water fish -
- 34.
It causes the mystery disease.
- A.
Capillaria philippinensis
- B.
Trichinella spiralis
- C.
Dracunculus medinensis
- D.
Strongyloides stercoralis
Correct Answer
A. Capillaria philippinensis -
- 35.
It is the method of choice for recovering encysted larva of T. spiralis.
- A.
Blood
- B.
Stool
- C.
Muscle biopsy
- D.
Urine
Correct Answer
C. Muscle biopsy -
- 36.
They are the natural host of C. philippinensis.
- A.
Brackish water fish
- B.
Humans
- C.
Migratory fish-eating birds
- D.
None of the above
Correct Answer
C. Migratory fish-eating birds -
- 37.
These are the morphologic forms of Filariae.
- A.
Adult worms
- B.
Microfilariae
- C.
Ova
- D.
Both a and b
Correct Answer
D. Both a and b -
- 38.
It is a transparent covering of filarial worms.
- A.
Sheath
- B.
Chitin
- C.
Albuminous layer
- D.
True Shell
Correct Answer
A. Sheath -
- 39.
Filariae doesn't have male and female forms.
- A.
True
- B.
False
Correct Answer
B. False -
- 40.
The ideal time of nocturnal periodicity.
- A.
10 am - 2 pm
- B.
9 am - 4 pm
- C.
9 pm - 4 am
- D.
2 pm - 10 am
Correct Answer
C. 9 pm - 4 am -
- 41.
It is the ideal time of diurnal periodicity.
- A.
10 am - 2 pm
- B.
9 am - 4 pm
- C.
9 pm - 4 am
- D.
2 pm - 10 am
Correct Answer
A. 10 am - 2 pm -
- 42.
It is a method used to detect microfilariae.
- A.
Giemsa stain
- B.
Nucleopore filter
- C.
Biopsy
- D.
Knott technique
Correct Answer
D. Knott technique -
- 43.
It is the mode of transmission of Wuchereria bancrofti and Brugia malayi.
- A.
Mosquito bite
- B.
Fly bite
Correct Answer
A. Mosquito bite -
- 44.
Which of the following is the intermediate host of Loa loa?
- A.
Simulium
- B.
Chrysops fly
- C.
Black fly
- D.
Both a and c
Correct Answer
B. Chrysops fly -
- 45.
Which of the following does not belong to the group? (W. bancrofti)
- A.
Anopheles
- B.
Mansonia
- C.
Culex
- D.
Aedes
Correct Answer
B. Mansonia -
- 46.
Which of the following is the unique intermediate host of B. malayi?
- A.
Anopheles
- B.
Mansonia
- C.
Aedes
- D.
Culex
Correct Answer
B. Mansonia -
- 47.
Which of the following is the intermediate host of Mansonella spp?
- A.
Anopheles
- B.
Aedes
- C.
Chrysops
- D.
Culicoides
Correct Answer
D. Culicoides -
- 48.
It possesses a sheath wiith two distinct nuclei at the tip (tail).
- A.
Wuchereria bancrofti
- B.
Loa loa
- C.
Brugia malayi
- D.
Onchocerca volvulus
Correct Answer
C. Brugia malayi -
- 49.
Sheathed with numerous nuclei on the body but free of nuclei at the posterior end.
- A.
Mansonella ozzardi
- B.
Brugia malayi
- C.
Onchocerca volvulus
- D.
Wuchereria bancrofti
Correct Answer
D. Wuchereria bancrofti -
- 50.
Which of the following is sheathed with distinct abundance of nuclei from the head to pointed tail?
- A.
Wuchereria bancrofti
- B.
Loa loa
- C.
Brugia malayi
- D.
Mansonella perstans
Correct Answer
B. Loa loa -
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