The following parasites occur in the liver of their respective hosts, EXCEPT?

The following helminths require earthworms as intermediate hosts, EXCEPT?

This helminth genus is characterized by having a parasitic and free-living generations; the former is parthenogenetic with filariform esophagus and the latter with rhabditiform esophagus?

Transmammary infection occurs in the following, EXCEPT?

In Dirofilaria immitis infection in dogs, diagnosis is by finding its microfilaria during blood examination, but this microfilaria should be differentiated from that of this species which is also present in dogs?

The following are hookworm species, EXCEPT?

All of these are parasites of the eyes, EXCEPT?

Pedogenesis also known as polyembryony refers to the production of several individuals from a single larval form and is exhibited by all trematodes. The species of tapeworms below also have this characteristic, EXCEPT?

Milk spots in the liver of pigs infected with Ascaris suum are actually?

This helminth usually occurs in pairs inside cysts in the lung parenchyma?

Oribatid mites serve as intermediate host of the following, EXCEPT?

Which among the following nematodes has an indirect life cycle?

Which pair has the same mode of infection for the definitive vertebrate host?

Feeling of shame and inferiority is one of the symptoms observed in man infected with?

Pseudoscolex is a feature of?

Flukes with head collar bearing spines are the?

The mode of transmission of Capillaria philippinensis is?

Self-cure phenomenon in helminth infection is best exemplified in?

What nematode species in which the fungus Pilobolus is important in the dissemination of its larvae in the pasture?

Which species has numerous round or oval thickenings on its cuticle especially on the anterior region?

This pair of species utilizes freshwater fish as second intermediate host?

Which species is not zoonotic?

The rat lungworm Angiostrongylus cantonensis can cause one of the following conditions in man?

The infective larvae of Habronema species can cause which one of the following conditions when they are deposited on existing wounds of animals especially horses?

Which parasite is not transmitted per cutaneously?

Which species does not require two intermediate hosts in its life cycle?

Which of the following is not part of the female reproductive organ in flukes?

All of these are eyeworms, EXCEPT?

Infection with this parasite results in rat-tail appearance in the infected animal due to extreme irritation?

It is also called gapeworm?

These species are also called arrow-headed worms, EXCEPT?

These are hookworms, EXCEPT?

Immunizing sheep over six months old produces protective immunity against Haemonchus contortus by vaccination with irradiated?

This parasite is an important factor in the development of esophageal sarcoma?

The adult form of the following species of the family Taeniidae occurs in dogs, EXCEPT?

The helminth parasite with the longest prepatent period is?

The bladderworm of Taenia (Multiceps) multiceps is a?

A hairworm found in the subcutaneous tissues of monkeys and man is?

Which is not transmitted by land mollusk?

Schistosome cercariae are?

These nematodes are viviparous, EXCEPT?

These flukes occur in the ceca and rectum of birds, EXCEPT?

These nematodes occur in the aorta of their respective hosts, EXCEPT?

How does the function of solenocytes can be categorized?

Hemorrhagic nodules in the skin of buffaloes are caused by?

The ceca of the following flukes are simple, EXCEPT?

The organ location of these helminths is the heart and/or pulmonary artery in their respecitive hosts, EXCEPT?

A single egg may give rise to several larvae infective to the final host in?

Alimentary canal is absent in?

Members of the family Taeniidae produce the following larvae, EXCEPT?

What is not true for Toxocara canis, T. cati and T. vitulorum?

In the pig, the presence of milk spots in the liver is suggestive of?

Most members of this family utilize oribatid mites as intermediate hosts?

All but one species can be easily identified by examining the appearance of the pharynx?

What set of description is true for strongyle eggs?

All of these nematodes occur in the crop of their respective hosts, EXCEPT?

Which one occurs in the intestine of monkeys?

These occur in the liver of their respective host, EXCEPT?

The cause of river blindness in man, which utilizes Simulium spp. as intermediate host is?

The males of the following have copulatory bursa, EXCEPT?

Which species is dependent on predation or cannibalism or decomposition in the release of its egg in the environment?

Transplacental or prenatal transmission occurs in the following, EXCEPT?

Female Physaloptera praeputialis, Spirocerca lupi, Ascarops strongylina and Metastrongylus species are appropriately described as?

Heartworm is transmitted directly to the dog through bite of an infected?

Which is important in the transmission of the causative agent of infectious enterohepatitis?

Cutaneous larva migrans in man is mainly caused by?

Males of the following nematodes have only one spicule, EXCEPT?

This tapeworm can cause neurocysticercosis in man?

The following helminths are dioecious, EXCEPT?

Which invertebrate serve as intermediate host of the thorny-headed worm of pigs?

Whose eggs are spindle-shaped and resemble diatoms thus making them favorable food for crustaceans?

The following require freeliving oligochaete annelids as intermediate host, EXCEPT?

The male of this species is degenerate and parasitic in the uterus of the female?

Elevated level of plasma pepsinogen in cattle is indicative of infection with?

What trichostrongylid species whose egg does not hatch until infective larva (L3) has developed in the egg shell?

Pipe-stem liver is a condition associated with?

Heavy infection with this species can cause hyperplasia of the affected mucosa giving a characteristic “morocco leather” appearance?

Teeth are wanting in?

Among the Trichostrngylidae, this genus is distinguishable from the rest because of the large size of its egg?

This nematode is unusual in that no period of development is required outside the host because the first stage larva released is immediately infective?

Which helminth infection in cats can produce spontaneous pulmonary arteriopathy with pulmonary arterial hypertrophy and hyperplasia?

A flattened amphistome with large ventral papillae and found in the large intestine of cattle is?

All EXCEPT one has anticestode and antitrematode activity?

An embryonated egg, which is bilaterally symmetrical, spherical or oval with 3 pairs of hooks is called?

Which is not a characteristic of a freshly voided taeniid egg?

All but one is viviparous?

In large animals, infection with this species can be diagnosed by rectal palpation?

Generally in Trichostrongylids, the order of susceptibility from least to most to adverse conditions is?

Male and female of these helminths are permanently in copula, EXCEPT?

This parasite occurs in the circulatory system of cyprinid fishes?

The following are tapeworms affecting fishes, EXCEPT?

From the time of infection to the time eggs or larvae appear in the feces/blood of the host is referred to as?

Lemnisci and uterine bells are present in?

An organism with both the male and female reproductive organ in one individual is termed as?

The main cause of creeping eruption is man is?

Adult tapeworms can be found the in following, EXCEPT?

Autoinfection is a characteristic feature of these parasites, EXCEPT?

The following are transmitted via both the transplacental and transcolostral or mammary routes, EXCEPT?

Freshwater fish is the intermediate hosts of?

A form of immunity seen in protozoan and some helminth infections that is dependent upon the continued presence of the parasite is?

Dioctophyme renale is to the kidneys of dogs and related carnivores, Stephanurus dentatus to the perirenal fat sometimes in the renal pelvis of pigs, and Capillaria plica to the urinary bladder sometimes in the renal pelvis of?

Which among these has no alimentary canal but has uterine bell?

Which of the following has only one spicule?

In Elaeophora poeli those that are fully enclosed inside the nodules are?

This species causes haemorrhagic nodules on the skin of cattle and water buffaloes?

Fertilized females exhibit brown cement-like ring around the vulva in this species?

The presence of cordons is a feature seen in the following, EXCEPT?

The following are all stomach worms of their respective hosts, EXCEPT?

The cause of eosinophilic granulomata in the intestine of man is?

Both hyper and autoinfections can occur in infection with this species?

Ascaris suum eggs are not immediately infective after being passed out with feces but need maturation period of?

These structures are found in the posterior end of nematodes which function as chemoreceptors, well supplied with nerve fibers and associated with glandular structure?

The following members of the family Fasciolidae occur in the liver of their respective hosts, EXCEPT?

Fecal examination is not a reliable method of diagnosing infection with this parasite?

What trichostrongylid species whose egg does not hatch until infective larva (L3) has developed in the eggshell?

The cause of granular dermatitis in horses is?

These nematodes undergo hypobiosis, EXCEPT?

A pathological condition with symptoms such as hepatomegaly, pulmonary infiltration, intermittent fever, loss of weight and appetite and persistent cough caused by ascaris organisms. This is called?

This is an important nodular worm of cattle?

These are all effects of Trichostrongylus, EXCEPT?

The cause of gape in poultry is?

Which of these stages of Trichostrongylus is the least susceptible to extreme changes in environmental conditions?

A complication of the acute illness of this infection is black disease, which occurs in normal sheep. What parasite causes this illness?

Elongate unisexual trematode, which carries its female in a canal and inhabit the blood vessel of its host?

It has been proven that prenatal infection occurs in the life cycle of these nematodes, EXCEPT?

All of these parasites infect the lungs, EXCEPT?

Which of these stages of Trichostrongylus sp. is most susceptible to extreme environmental condition?

These are hookworms, EXCEPT?

Cause of cascado or verminous dermatitis in man is?

All of these cause dirofilariosis, EXCEPT?

Pathogenic effect of Strongylus vulgaris in equine is?

Fatal human hydatidosis is caused by?

Oesophageal worm of dogs is?

Cutaneous larva migrans is caused by?

Trichinosis in man, which is maintained in the cycle of infection between wild carnivores and humans, is called?

Liverfluke of elephants?

Gid or staggers a brain disease caused by the presence of the metacestode in the intermediate host of which parasite?

Important lungfluke of carnivores?

Cause of sparganosis in man is?

Egg of this parasite is characteristically quadrilateral in shape?

The diagnosis of these parasites involves the finding of their eggs in the urine of their respective hosts, EXCEPT?

This parasite causes catarrhal parasitic bronchitis in ruminants?

Infection in man with this species results from eating uncooked infected fish or frogs?

Genetically inherited immunization against infection is possible in?

This parasite is permanently in copula?

A technique use in larval recovery is?

Most tapeworms have metameric repetition of their reproductive organs termed as?

The following nematodes have no intermediate host, EXCEPT?

This is known for the unusual shape of the mature female, which is almost spherical and lies embedded in the proventricular gland of birds?

The dog is the definitive host of this parasite, which is transmissible to man?

This is an important cestode of freshwater carps?

Intensive management in poultry has reduced cestode infections but this species can still remain a problem because its intermediate host is Musca domestica?

A criteria differentiating eye lesions from others caused by visceral larva migrans is the presence of this?

A highly pathogenic ascaris of cattle is?

Osteoporosis due to low plasma phosphorous concentration is associated with?

Haemonchus contortus increases its rate of survival by undergoing this phenomenon called?

Larvae of Ascaris do more damage in this organ during migration?

Elaeophora schneideri is a common parasite of the?

This parasite is an important factor in the development of esophageal sarcoma?

This parasite is acquired by eating inadequately cooked frogs or fish causing eosinophilic meningitis in man due to its migration?

It is a pathological entity with symptoms in a child of enlarged liver, with eosinophilic granulomatous lesions, intermittent fever, loss of weight and persistent cough with a 50% circulating eosinophilia?

Claypipe stem fibrosis is associated with this trematode infection?

Largest of all the nematodes (8 meters long, 2 cm thick; in sperm whale)?

Members of the family Taeniidae produce all but one of these metacestode?

What is not true for Toxocara canis, T. cati and T. vitulorum?

This species occurs in the intestine of monkeys?

It is the smallest yet the most pathogenic poultry tapeworm?

A clinical feature, which differentiates haemonchosis and mecisticirrosis from trichostrongylosis, is?

It is a thickened structure located in the buccal capsule of some nematodes, which carries the duct of the dorsal esophageal gland?

The cause of ‘hump sore’, a chronic dermatitis in cattle?

This refers to the cuticular fringes around the oral openings of some nematodes like the equine strongyles?

It is a condition in man caused by Angiostrongylus constaricensis?

This is a specific condition caused by the larvae of Draschia megastoma and Habronema spp. deposited by flies on existing wounds of domesticated animals specially horses?

This species of pig lungworms is characterized by a large cuticular swelling covering the vulva and anus?

It is where majority of the lesions of Strongylus vulgaris occur?

Species of this genus is characterized by their spicules fused at the tip?

This species of hairworm affects man?

This condition is caused in man by the larvae of the rat lungworm, Angiostrongylus cantonensis?

This term is sometimes given to Trichostrongylus species because of the characteristic appearance of feces produced by animals infected by them?

It is a fungus found common in cattle feces, which helps in the efficient dispersion of Dictyocaulus larvae in the pasture?

It causes “ring worm lesions” in the stomach of calves. Lesions are raised plaques comprising grayish flat areas with sharply demarcated borders?

This chemical is correlated with anorexia in Trichostrongylus colubriformis infection in sheep. The parasite appears to stimulate secretion of this substance leading to its increase level in the plasma and acts on the appropriate center in the brain to depress appetite?

This is the cause of cascado (verminous dermatitis) in the muzzle and teat of cattle and water buffalo?

It is the cause of parasitic otitis in bovines?

Between the human Taenia species, the gravid segments of this species spontaneously leave the host?

Largest nematode in domesticated animals (100 cm.)?

Cause of swimmers’ itch, (cercarial dermatitis, schistosome dermatitis, clam-diggers’ itch, hunters’ itch, rice paddy itch, lakeside disease, badedermatitis, galede nageurs)?

Cause of rice paddy itch in Malaysia?

Infection with this species in fishes is characterized by swollen abdomen caused by its large plerocercoids displacing the organs?

Eggs of this parasite are released through the gills of the fish host from adults in the circulatory system?

This filariid worm may produce small whitish nodules in the connective tissues of pig, which can be mistaken as young cysticerci?

This nematode requires termites as intermediate host?

This species develops first in the leptomeningeal arteries then migrate to the carotid arteries of the definitive host and transmitted by tabanids?

Pyriform apparatus is present in the egg of the following, EXCEPT?

A roughly cross-shaped telamon is a feature of?

Leaf crowns are present in the following, EXCEPT?

Nodule formation can be observed in the hosts infected with the following, EXCEPT?

In Trichostrongylus colubriformis, the larva that is very susceptible to desiccation is the?

The cause of eosinophilic granlomatous lesions in the urinary bladder is?