Parasitology Lecture Notes PDF

Summary

These notes detail various aspects of fluke biology, including species, life cycles, and locations in different hosts. The text presents a series of questions and answers, in a format typical of a lecture.

Full Transcript

1\. These flukes occur in the ceca and rectum of birds EXCEPT a. b. c. d. 2\. The importance of Troflotema salmincola lies in the fact that it carries a? a. b. c. d. 3\. The basic unit in fluke's excretory organ is called a. b. c. d. 4\. Distome-type of fluke is exemplified by...

1\. These flukes occur in the ceca and rectum of birds EXCEPT a. b. c. d. 2\. The importance of Troflotema salmincola lies in the fact that it carries a? a. b. c. d. 3\. The basic unit in fluke's excretory organ is called a. b. c. d. 4\. Distome-type of fluke is exemplified by a. b. c. d. 5\. All applies to Schistosoma japonicum EXCEPT a. b. c. d. 6\. All but one of the following fluke species are found in the respiratory tract a. b. c. d. 7\. The following fluke species can be acquired by ingestion of snails containing the infective stage except a. b. c. d. 8\. The eye fluke of pigs a. b. c. d. 9\. All but one of the following blood fluke species may lodge in the portal or mesenteric veins a. b. c. d. 10\. Paragonimus spp display this type of cercaria a. b. c. d. 11\. The snail host of fasciola gigantica in the philippines is a. b. c. d. 12\. Neorickettsia helminthoeca is acquired through a. b. c. d. 13\. The yolk gland in trematodes a. b. c. d. 14\. Fasciola species have high biotic potential due to paedogenesis but their chance of establishing infection may be reduced primarily due to a. b. c. d. 15\. This developmental stage is particularly found in alaria species a. b. c. d. 16\. Fascioloides magna reaches maturity in this host a. b. c. d. 17\. This species utilizes freshwater fish as second intermediate host a. b. c. d. 18\. The cirrus sac of flukes may contain the ff organs except a. b. c. d. 19\. Flame cells functions can be categorized as a. b. c. d. 20\. Snoring disease due to occlusion of blood vessels in cattle is caused by a. b. c. d. 21\. The signs and symptoms and the accompanying lung lesions in human paragonimosis must be differentiated from a. b. c. d. 22\. All eurytrema species may be located in the pancreatic duct a. b. 23\. Flukes belong to the class a. b. c. d. 24\. Emerging young flukes of the genus fasciola are known as a. b. c. d. 25\. The following flukes may be acquired by ingestion of miracidium-infested grasses EXCEPT a. b. c. d. 26\. The larval stage that precedes a redia a. b. c. d. 27\. The following parasites occur in the liver of their respective host EXCEPT a. b. c. d. 28\. The adult stage of the ff flukes may be found in the bile duct EXCEPT a. b. c. d. 29\. The most efficient way to prevent infection with fasciola infection in humans a. b. c. d. 30\. Fasciolopsis buski affects these hosts a. b. c. d. 31\. Swimmer's itch in man is caused by a. b. c. d. 32\. Infected fishes may be a source of infection for the following species EXCEPT a. b. c. d. 33\. Flukes are capable of self- and cross-fertilization a. b. 34\. The following contributes to the spread of schistosomiasis in endemic areas except a. b. c. d. 35\. The natural predilection site of this fluke species is the body cavity a. b. c. d. 36\. This helminth usually occurs in pairs inside cysts in the lung parenchyma a. b. c. d. 37\. The ff are definitive hosts of fasciola sp EXCEPT a. b. c. d. 38\. The ff are characteristics of digenetic trematodes except a. b. c. d. 39\. The egg of this fluke bears a filament a. b. c. d. 40\. Ants serve as carrier of the infective stage of a. b. c. d. 41\. Flukes with head collar bearing spine belong to the family a. b. c. d. 42\. Platynosomum fastomum can be acquired by the following means EXCEPT a. b. c. d. 43\. Liver flukes of elephants a. b. c. d. 44\. Paedogenesis also known as polyembryony refers to the productions of several individuals from a single larval form and exhibited by all trematodes a. b. 45\. A single egg may give rise to several larvae infective to the final host in a. b. c. d. 46\. Alaria alata may infect humans by ingestion of infected a. b. c. d. 47\. The site of egg formation in flukes a. b. c. d. 48\. The attachment organ of amphistomes are located a. b. c. d. 49\. Flukes multiply exponentially and this could be attributed to their ability for a. b. c. d. 50\. Which species is not zoonotic a. b. c. d. 51\. The :"brain" of flukes a. b. c. d. 52\. The ff larval stage occur in the life cycle of schistosoma japonicum a. b. c. d. 53\. This fluke is associated with heart failure in humans a. b. c. d. 54\. The type of life cycle in flukes found in fishes and other amphibians a. b. c. d. 55\. Paragonimosis is endemic in the ff provinces except a. b. c. d. 56\. Which of the ff is not a part of the female reproductive organ in trematodes a. b. c. d. 57\. The following fluke species occur in the bile duct of their respective hosts EXCEPT a. b. c. d. 58\. The following animal species usually do not manifest acute fasciolosis because they have high resistance to the disease except a. b. c. d. 59\. The penile organ of flukes a. b. c. d. 60\. The attachment organ of monogenean flukes a. b. c. d. 61\. The pear-shaped ciliated trematode larva a. b. c. d. 62\. The following larval stages of fasciola hepatica is motile off the snail host EXCEPT a. b. c. d. 63\. The following are oviparous except a. b. c. d. 64\. The first intermediate host of eurytrema pancreaticum a. b. c. d. 65\. In the life cycle of fasciolosis, flukes reach the final predilection site by a. b. c. d. 66\. These may occur in the small intestine of their respective hosts EXCEPT a. b. c. d. 67\. Schistosome cercariae are a. b. c. d. 68\. The most practical approach to control fasciolosis a. b. c. d. 69\. Snail may carry the stage infective to the final host of the following except a. b. c. d. 70\. Oviduct fluke of poultry is primarily transmitted through a. b. c. d. 71\. The most pathogenic fluke of poultry a. b. c. d. 72\. The skull of wild carnivores may be perforated due to a. b. c. d. 73\. This fluke species may be associated with the development of cholangiosarcoma in humans a. b. c. d. 74\. This fluke species may be acquired by cattle through the ingestion of infected tree cricket a. b. c. d. 75\. Susceptible hosts acquire infection with the following fluke spp by eating raw infected fish EXCEPT a. b. c. d. 76\. The ff species may be found in the rumen EXCEPT a. b. c. d. ENUMERATION 1\. Enumerate in chronological order the development stages of fasciola excluding the egg and adult stage. Miracidium, sporocysts, redia, cercaria, metacercaria 2\. Expanded part of oviduct in flukes Ootype 3\. This fluke causes snail fever Schistosoma japonicum 4\. Discuss the life cycle of fasciola gigantica 5\. The gill fluke of fish Dactylogyrus 6\. Structure in schistosoma that carries the female Gynaecophoric canal 7\. Type of fluke with only one sucker Monostome 8\. Fork-tailed cercaria Furcocercous 9\. Stage that follows a miracidium Sporocyst 10\. Causes lizard posisoning Platynosomum fastomum 11\. The smallest fluke of humans Heterophyes heterophyes

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