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BIO 315 NCSU EXAM II QUESTIONS AND ANSWERS

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BIO 315 NCSU EXAM II QUESTIONS AND ANSWERS

Institution
BIO 315
Course
BIO 315

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BIO 315 NCSU EXAM II QUESTIONS AND
ANSWERS
relationship between poverty and helminthic diseases - Correct Answers -direct - as
poverty increases so does prevalence of helminthic diseases

_____ is the most numerous multicellular animal on earth - Correct Answers -
nematodes

Why are nematodes a "tube within a tube" - Correct Answers -refers to alimentary canal
- they are triploblastic and have a fluid filled cavity between the outer body wall and
digestive tube

Plant nematode parasite mouth - Correct Answers -modified to a hollow spear to
penetrate host cells

Predaceous nematode mouth - Correct Answers -buccal cavities with teeth and hook-
like projections

Parasite that causes Ascariasis - Correct Answers -Ascaris lumbricoides or Ascaris
suum

Mode of Ascaris transmission - Correct Answers -soil transmission - ingest eggs

prevention of Ascariasis - Correct Answers -wash hands and cook meat properly

Hookworms - Correct Answers -Ancylostoma duodenale, Ancylostoma ceylanicum, and
Necator americanus

Hookworm transmission - Correct Answers -soil transmission - eggs ingested by
humans

Hookworm prevention - Correct Answers -wear shoes and wash hands

Whipworm - Correct Answers -Trichuris trichiura (humans) or Trichuris vulpis (dogs)

Whipworm transmission - Correct Answers -soil transmission - eggs ingested by
humans

Whipworm prevention - Correct Answers -wash hands and wash and cook vegetables
and fruits properly

Pinworm that causes Enterobiasis - Correct Answers -Enterobius vermicularis

, Pinworm transmission - Correct Answers -soil transmission - eggs ingested by humans

Who does pinworms affect the most - Correct Answers -children and institutionalized
persons

Prevention of Whipworms - Correct Answers -wash hands

roundworm that causes Strongyloides - Correct Answers -Strongyloides stercoralis

Transmission of roundworms - Correct Answers -soil transmission - skin contact with
soil contaminated with larva

Who is affected by roundworms - Correct Answers -dogs and humans

Prevention of roundworms - Correct Answers -proper sewage disposal, wear shoes
when walking on soil

____ is the only nematode with a free living stage - Correct Answers -Strongyloides
(roundworms)

Whipworms are found in ____ but not ____ - Correct Answers -dogs, cats

Can a dog transmit hookworms and roundworms to humans? - Correct Answers -yes,
they are considered a zoonotic disease

Is heartworm in dogs rare? - Correct Answers -yes - easily preventable with medication

how is heartworm transmitted between dogs - Correct Answers -vectors - mosquitoes

Parasite that cause Anisakiasis - Correct Answers -nematode - Pseudoterranova
decipiens

Anisakiasis human transmission - Correct Answers -raw or undercooked fish and squid
infected with larva

Guinea Worm disease parasite - Correct Answers -Dracunculus medinensis

Special Guinea Worm symptom - Correct Answers -swelling in legs and feet

Guinea worm transmission - Correct Answers -unfiltered water from ponds or stagnant
water

Where is Guinea worm endemic - Correct Answers -Africa

Guinea worm is an ____ - Correct Answers -NTD
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