Helminth Parasites: Master the World of Worms in Veterinary Medicine

Question 1

Which of the following anthelmintics is specifically effective against tapeworms?

Accepted Answer

Praziquantel

Answer

Fenbendazole

Answer

Albendazole

Answer

Ivermectin

Question 2

At which stage of the life cycle do nematodes invade the gastrointestinal tract of the host?

Accepted Answer

Larva

Answer

Egg

Answer

Adult

Answer

Nymph

Question 3

Which diagnostic method is commonly used to detect helminth parasite eggs in a fecal sample?

Accepted Answer

Fecal flotation

Answer

Polymerase chain reaction (PCR)

Answer

Examination of a blood smear under a microscope

Answer

Serological testing

Question 4

Indicate the anthelmintic drug specifically effective against tapeworm infections.

Accepted Answer

Praziquantel

Answer

Benzimidazoles

Answer

Macrocyclic lactones

Answer

Levamisole

Question 5

Identify the primary mode of transmission for Fasciola hepatica, the liver fluke parasite.

Accepted Answer

Ingestion of water contaminated with the parasite's eggs

Answer

Direct接触with infected animals

Answer

Bites from mosquitoes carrying the parasite

Answer

Consumption of raw or undercooked meat or fish

Question 6

Which clinical sign is a common indication of gastrointestinal nematode infection in ruminants?

Accepted Answer

Diarrhea

Answer

Anemia

Answer

Coughing

Answer

Skin lesions

Question 7

Identify a key risk factor contributing to the development of anthelmintic resistance in helminth parasites.

Accepted Answer

Frequent and repeated use of the same anthelmintic drug

Answer

Insufficient dosage of anthelmintics

Answer

Improper pasture management practices

Answer

Vaccination against helminth parasites

Question 8

Define the purpose of strategic anthelmintic use as part of an integrated parasite management program for helminths.

Accepted Answer

Using anthelmintics according to a well-defined plan that considers factors such as the parasite's life cycle and prevalence

Answer

Administering anthelmintics only when clinical signs of infection are present

Answer

Rotating different anthelmintic drug classes to prevent resistance

Answer

Treating all animals in the herd or flock, regardless of infection status

Question 9

In veterinary medicine, which diagnostic technique is most commonly used to identify nematode infections?

Accepted Answer

Microscopic examination of fecal samples

Answer

Serological testing

Answer

Molecular diagnostics

Answer

Histopathology

Question 10

Which diagnostic technique is most commonly used to detect helminth eggs in faeces?

Accepted Answer

Flotation

Answer

Centrifugation

Answer

ELISA

Answer

PCR

Question 11

Which anthelmintic drug class is primarily effective against adult worms?

Accepted Answer

Macrocyclic lactones

Answer

Benzimidazoles

Answer

Salicylanilides

Answer

Piperazines

Question 12

The most common clinical manifestation of lungworm infection in cattle is:

Accepted Answer

Coughing

Answer

Diarrhoea

Answer

Enlarged lymph nodes

Answer

Weight loss

Question 13

The primary target site of action for benzimidazole anthelmintics is:

Accepted Answer

Microtubules

Answer

Nerve ganglia

Answer

Muscle cells

Answer

Mitochondria

Question 14

Which of the following is a risk factor for the development of hepatic fibrosis in sheep infected with Fasciola hepatica?

Accepted Answer

Chronic infection

Answer

Concurrent bacterial infection

Answer

Young age

Answer

Vaccination status

Question 15

The most appropriate method for controlling trematode infections in livestock is:

Accepted Answer

Snail control

Answer

Intermediate host removal

Answer

Anthelmintic treatment

Answer

Vaccination

Question 16

Which of the following is a defining characteristic of helminth parasites?

Accepted Answer

Multicellular, eukaryotic organisms with complex life cycles

Answer

Obligate intracellular parasites that require a host cell to survive

Answer

Anaerobic, spore-forming organisms that cause opportunistic infections

Answer

Prokaryotic, single-celled organisms that reproduce asexually

Question 17

Among the listed drugs, which one is commonly administered to treat nematode infections in animals?

Accepted Answer

Ivermectin

Answer

Amphotericin B

Answer

Metronidazole

Answer

Ciprofloxacin

Question 18

Which of the following measures is recommended as a preventive strategy against helminth infections in animals?

Accepted Answer

Regular deworming

Answer

Providing contaminated water

Answer

Allowing grazing on unhygienic pastures

Answer

Using untreated manure as fertilizer

Question 19

Which clinical sign is commonly associated with gastrointestinal helminth infections in animals?

Accepted Answer

Diarrhea

Answer

Coughing

Answer

Skin lesions

Answer

Neurological symptoms