HOOKWORMS

Question 1

blood-sucking nematodes that attach to the mucosa of the small intestines

Answer 1

Hookworms

Question 2

Necator americanus. Common name

Answer 2

New world hookworm

Question 3

Ancylostoma duodenale common name

Answer 3

old world hookworm

Question 4

dog hookworm

Answer 4

ancylostoma caninum

Question 5

cat hookworm

Answer 5

ancylostoma ceylanicum

Question 6

long buccal cavity, short genital primordium; anal pore is 80 um from
posterior end; esophagus to intestinal length ratio can be 1:4

Answer 6

Rhabditiform

Question 7

shorter esophagus, sheathed tail, females have posterior spine

Answer 7

Filariform

Question 8

Shape: Sharply bent, small, cylindrical, fusiform grayish white

Answer 8

Necator americanus

Question 9

Shape: Slightly bent, pinkish/grayish
white in color

Answer 9

Ancylostoma duodenale

Question 10

definitive hosts aredogsbutcan also infect cats

Answer 10

Ancylostomaceylanicum

Question 11

1 pair of semilunar cutting plates
1 median tooth

Answer 11

Necator americanus

Question 12

Longer than broad
Dorsal rays: deep cleft
and tips bipartite

Answer 12

Necator americanus

Question 13

2 spicules: fused and
barbed

Answer 13

Necator americanus

Question 14

2 ventral pairs of fused teeth

Answer 14

Ancylostoma duodenale

Question 15

Short and broad
Dorsal rays: Shallow
cleft and tips tripartite

Answer 15

Ancylostoma duodenale

Question 16

2 spicules: Unfused and
NOT barded

Answer 16

Ancylostoma duodenale

Question 17

3 ventral pairs of fused teeth

Answer 17

Ancylostoma caninum

Question 18

Large, flame-shaped
Rays: long and slender

Answer 18

Ancylostoma caninum

Question 19

2 ventral pairs of ufusedteeth As broad as long Rays: stunted

Answer 19

Ancylostoma ceylanicum

Question 20

Dermititis lesion (skin at point of entry
produces ground itch/dew itch/colite itch)

Answer 20

Larval penetration

Question 21

a Costa Rican porridge

Answer 21

Mazzamora/water sore

Question 22

Anemia microcytic hypochromic
((0.03 mL blood/day) due to blodd loss this
will cause

Answer 22

hypoalbuminemia

Question 23

nausea, vomitting, pharyngeal irritation, cough, dyspnea

Answer 23

“Wakana syndrome”

Question 24

DEAD-END INFECTION

Answer 24

Ancylostoma caninum Ancylostoma ceylanicum

Question 25

hookworm. Test tube culture method

Answer 25

Harada-Mori technique

Question 26

hookworm. : isolation and identification of larva in fresh stool (Coproculture)

Answer 26

Baermann technique

Question 27

Common name: Threadworm, Military worm

Answer 27

Strongyloides stercoralis

Question 28

Strongyloides stercoralis. Disease:

Answer 28

Strongyloidosis

Question 29

Characterized by free-living rhabditiform(male and female) and parasitic filariform stages.

Answer 29

Strongyloides stercoralis

Question 30

Strongyloides stercoralis. Infective form:

Answer 30

Filariform larva

Question 31

Strongyloides stercoralis. Diagnostic form:

Answer 31

Rhabditiform larva

Question 32

Strongyloides stercoralis. Disease. Generally benign and asymptomatic, Blood eosinophilia and larvae in stool being the only indications of infection

Answer 32

Strongyloidiasis

Question 33

Dermatitis, with erythema and itching at the site of penetration of the filariform larva
Pruritis and urticaria, particularly around the perianal skin and buttocks, are symptoms of chronic strongyloidiasis.

Answer 33

Larval penetration

Question 34

Strongyloides stercoralis. Larval migration
. Small hemorrhages may occur in the __ and ___

Answer 34

alveoli and bronchioles

Question 35

Strongyloides stercoralis. Adult worm. ___ often present. In heavy infection, the mucosa may be honey-combed with the worma nd there maybe extensive sloughing, causing dysenteric stools.

Answer 35

Mucus diarrhea

Question 36

Strongyloides stercoralis. Immunocompromised

Answer 36

Disseminated strongyloidosis