Parasitology Exam 1 Info

33 Questions | By Dbeck33 | Updated: Mar 20, 2022 | Attempts: 173

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1.

Horizontal transmission is a/an
- A.
  
  Infection across different generations of a host population
- B.
  
  Transmission of parasites from mother to offspring by transplacental or lactogenic routes
- C.
  
  Indirect transmission to the definitive host
- D.
  
  Required innervation of an intermediate host
2.

Which characteristics are true of Canine Hookworms?
- A.
  
  Males are 10-12 mm
- B.
  
  Transmission via lactogenic route
- C.
  
  Transmission in utero
- D.
  
  Females are smaller
3.

At what stage of a parasitic life cycle are parasites infectious?
4.

The adult female hookworm is estimated to ingest approximately 0.01ml of blood per worm per day.
- A.
  
  True
- B.
  
  False
5.

Select the different mode(s) of how an animal could acquire Toxocara canis/ cati
- A.
  
  Ingestion of larvated eggs
- B.
  
  Ingestion of paratenic host (rodents, birds)
- C.
  
  Transplacental transmission
- D.
  
  Lactogenic transmission
6.

Where does Toxocara canis/cati live in the definitive host?
- A.
  
  Heart
- B.
  
  Large intestine
- C.
  
  Small intestine
- D.
  
  Trachea
7.

Toxocara canis/cati is not zoonotic.
- A.
  
  True
- B.
  
  False
8.

Which of the following are possibilities of how an individual could acquire Bayliscsaris leonia?
- A.
  
  Ingestion of a paratenic host
- B.
  
  Ingestion of larvated eggs
- C.
  
  Lacotogenic transmission
- D.
  
  Transplacental transmission
9.

Where does Bayliscsaris leonia live in its definitive host?
- A.
  
  Lungs
- B.
  
  Small intestine
- C.
  
  Neurotrophic
- D.
  
  Large intestine
10.

Bayliscsaris leonia is zoonotic.
- A.
  
  True
- B.
  
  False
11.

Where does Ancylostoma caninum/ tubaeforms live in their definitive host.
- A.
  
  Small intestine
- B.
  
  Large Intestine
- C.
  
  Neurotropic
- D.
  
  Nasal passages
12.

Anclystoma caninum/ tubaeforme is not zoonotic
- A.
  
  True
- B.
  
  False
13.

How does Ancylostoma caninum/tubaeforms cause harm in the definitive host?
- A.
  
  Causes sneezing & irritation
- B.
  
  Paralysis
- C.
  
  Aggressive somatic migration
- D.
  
  Voracious blood sucker
14.

Where does Trichuris vulpis live in its definitive host?
- A.
  
  Nasal passage
- B.
  
  Trachea
- C.
  
  Cecum
- D.
  
  Duodenum
15.

Where does Eucoleus boehmi live in its definitive host?
- A.
  
  Small intestine
- B.
  
  Nasal passage
- C.
  
  Cecum
- D.
  
  Brain
16.

How can Uncinaria stenocephala be acquired?
- A.
  
  Transplacental transmission
- B.
  
  Ingestion of L3 larvae
- C.
  
  Lactogenic transmission
- D.
  
  Penetration by L3 larvae
17.

Where does Uncinaria stenocephala live in its definitive host?
- A.
  
  Cecum
- B.
  
  Small intestine
- C.
  
  Nasal passage
- D.
  
  Stomach
18.

How does the Uncinaria stenocephala cause harm to the definitive host?
- A.
  
  Creates nodules in the stomach
- B.
  
  Voracious blood sucker
- C.
  
  Causes irritation in the intestine
- D.
  
  Causes sneezing & irritation
19.

What parasite lays this egg?
- A.
  
  Ancylostoma caninum/ tubaeforme
- B.
  
  Toxocara canis/cati
- C.
  
  Spirocerca lupi
- D.
  
  Eucoleus boehmi
20.

What parasite lays these eggs?
- A.
  
  Spirocera lupi
- B.
  
  Strongyloides stercoralis
- C.
  
  Ancylostoma caninum/ tubaeforme
- D.
  
  Toxocara canis/ cati
21.

What parasite lays these eggs?
- A.
  
  Draschia
- B.
  
  Parascaris equorum
- C.
  
  Strongyles
- D.
  
  Trichinella
22.

What parasite lays this egg?
- A.
  
  Oxyuris equi
- B.
  
  Trichuris vulpis
- C.
  
  Strongyloides stercoralis
- D.
  
  Spirocerca lupi
23.

How does the definitive host acquire Oxyuris equi?
- A.
  
  Penetration by L3 larvae
- B.
  
  Accidental ingestion of flies
- C.
  
  Ingestion of embryonated eggs
- D.
  
  Lactogenic transmission
24.

What parasite lays this egg?
- A.
  
  Ancylostoma tubaeforme
- B.
  
  Trichuris vulpis
- C.
  
  Parascaris equorum
- D.
  
  Oxyuris equi
25.

Where do Strongyles live in their definitive host?
- A.
  
  Stomach
- B.
  
  Small intestine
- C.
  
  Large intestine
- D.
  
  Skeletal muscle