Life Cycle of Ascaris Parasite Quiz

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Hookworm infection may present with symptoms such as petechial hemorrhages in the intestines, blood-streaked stools, mild anemia, diarrhea, and rectal ______

prolapse

The diagnostic stage of hookworm infection involves the detection of ______ (unembryonated) in stool

eggs

Hookworm infection is transmitted through ingestion of ______

soil

Adult hookworms primarily inhabit the ______

large intestine Signup and view all the answers

The morphology of an adult male hookworm includes a copulatory bursa, a fanlike structure with ribs, used for ______

copulation Signup and view all the answers

The anterior end of hookworms like Necator americanus has a semilunar cutting plate, while Ancylostoma braziliense has 2 pairs of teeth, Ancylostoma caninum has 3 pairs of teeth, and Ancylostoma duodenale has ______ pairs of teeth

2 Signup and view all the answers

Ascaris Lumbricoides is also known as Giant intestinal ______

roundworm Signup and view all the answers

Ascaris Lumbricoides is one of the most common parasitic infections around the world. It is the most common ______ worldwide.

nematode Signup and view all the answers

In most infections of Ascaris Lumbricoides, the ______ are fertile.

eggs Signup and view all the answers

Around 3 weeks after being passed in the feces, Ascaris Lumbricoides eggs will be ______ in soil, thus already infective.

embryonated Signup and view all the answers

Enterobius vermicularis is commonly found in the ______

large intestine Signup and view all the answers

Filariae and T.spiralis larvae are examples of ______ nematodes.

extraintestinal Signup and view all the answers

Ascaris suum is a parasite of ______

pigs Signup and view all the answers

Trichuris trichiura is commonly known as the ______

whipworm Signup and view all the answers

Ascaris is the third most common ______ of humans

roundworm Signup and view all the answers

The posterior two-fifths of Ascaris suum is ______ than the anterior three-fifths

thicker Signup and view all the answers

Ascaris ova are football-shaped/barrel-shaped/Japanese lantern shaped with ______ plugs

bipolar Signup and view all the answers

The infective stage of hookworm is the filariform ______

larva Signup and view all the answers

Hookworm transmission can occur through skin ______ or ingestion

penetration Signup and view all the answers

Hookworms primarily inhabit the ______ intestine

small Signup and view all the answers

The diagnostic stage of hookworm infection involves the detection of unembryonated ova in ______

stool Signup and view all the answers

Hookworm larvae penetrate the intact skin, reach the bloodstream, migrate to the heart and lungs, then migrate to the upper respiratory tract before being ______

swallowed Signup and view all the answers

Cutaneous larva migrans, creeping eruptions, and Loeffler’s syndrome are clinical manifestations of hookworm infection besides abdominal pain, steatorrhea, bloody diarrhea, and iron deficiency ______

anemia Signup and view all the answers

Life Cycle Ingestion > intestine > penetrate intestinal wall > enter bloodstream > heart, lung migration > pulmonary capillaries > alveolar sacs > travel to the URT > swallowed again back into the intestine where it will mature as adults Clinical Manifestations: Pneumonitis (hypersensitivity reaction)first possible clinical manifestation.Allergy and peripheral eosinophilia.Intestinal ascariasis - abdominal pain, lactose intolerance, bowel obstruction Erratic migration of adults may have serious effects Biliary obstruction ฀ Appendicitis ฀ Pancreatitis Diagnosis: Detection of eggs (unembryonated) in stool Moan Test Sputum Summary Infective Stage: Mode of Transmission: Adult Habitat: Diagnostic Stage: Summary Infective Stage: Embyonated Ova Mode of Transmission: Adult Habitat: Diagnostic Stage: Summary Infective Stage: Embryonated Ova Mode of Transmission: ingestion Adult Habitat: Diagnostic Stage: Summary Infective Stage: Embryonated Ova Mode of Transmission: ingestion Adult Habitat: Small Intestine Diagnostic Stage: Summary Infective Stage: Embryonated Ova Mode of Transmission: ingestion Adult Habitat: Small Intestine Diagnostic Stage: Unembryonated ova.

Ascaris Signup and view all the answers

Clinical Manifestations: Pneumonitis (hypersensitivity reaction)first possible clinical manifestation.Allergy and peripheral eosinophilia.Intestinal ______ - abdominal pain, lactose intolerance, bowel obstruction Erratic migration of adults may have serious effects Biliary obstruction ฀ Appendicitis ฀ Pancreatitis Diagnosis: Detection of eggs (unembryonated) in stool Moan Test Sputum

ascariasis Signup and view all the answers

Summary Infective Stage: Mode of Transmission: Adult Habitat: Diagnostic Stage: Summary Infective Stage: Embyonated Ova Mode of Transmission: Adult Habitat: Diagnostic Stage: Summary Infective Stage: Embryonated Ova Mode of Transmission: ingestion Adult Habitat: Diagnostic Stage: Summary Infective Stage: Embryonated Ova Mode of Transmission: ingestion Adult Habitat: Small Intestine Diagnostic Stage: Summary Infective Stage: Embryonated Ova Mode of Transmission: ingestion Adult Habitat: Small Intestine Diagnostic Stage: Unembryonated ______.

ova Signup and view all the answers

Life Cycle ______ > intestine > penetrate intestinal wall > enter bloodstream > heart, lung migration > pulmonary capillaries > alveolar sacs > travel to the URT > swallowed again back into the intestine where it will mature as adults

Ingestion Signup and view all the answers

Intestinal ______ - abdominal pain, lactose intolerance, bowel obstruction Erratic migration of adults may have serious effects Biliary obstruction ฀ Appendicitis ฀ Pancreatitis Diagnosis: Detection of eggs (unembryonated) in stool Moan Test Sputum