Ancylostomatidae (Hookworms)

Question 1

Ancylostoma present in man, wild carnivores and pigs

Answer 1

Ancylostoma duodenale

Question 2

Ancylostoma present in cats

Answer 2

A. tubaeoerme, A. brazilienze

Question 3

Ancylostoma present in dogs and foxes

Answer 3

A. caninum - dogs and fox
A. brazilienze - dogs

Question 4

Describe the general characteristics of hookworms based on body appearance, buccal capsule, and color.

Answer 4

1. anterior end is bent ventrally appearing like as “hook”
2. has buccal capsule w/c bears teeth at the margin
3. grey or reddish

Question 5

Uncinaria stenocephala final hosts & predilection site

Answer 5

dogs, cats, fox; small intestine

Question 6

small hookworm of sheep and goats found in the jejunum and ileum

Answer 6

Bunostomum trigonocephalicum

Question 7

large hookworm of cattle affecting the duodenum worldwide

Answer 7

Bunostomum phlebotomum

Question 8

known as the common hookworm of man which may also affect dogs and pigs’ small intestine

Answer 8

Necator americanus

Question 9

hookworm of sheep and goats found in the duodenum

Answer 9

Gaigeria pachyscelis

Question 10

Give the hookworm larvae that are associated with cutaneous larval migrans or creeping eruptions in man

Answer 10

Ancylostoma braziliense, A. caninum, A. tubaeforme, and U. stenocephala

Question 11

Give the 5 genera of Family Ancylostomatidae

Answer 11

Ancylostoma
Uncinaria
Bunostomum
Necator
Gaigeria

Question 12

Give the two species of hookworms without prenatal and lactogenic transmission

Answer 12

A. braziliense, A. duodenale

Question 13

The L3 of these species stay dormant in skeletal muscles, and reactivated during the gestation which are passed on the milk, causing anemia in puppies 2-3 weeks old

Answer 13

Ancylostoma caninum

Question 14

known to be prolific egg layers

Answer 14

Ancylostoma caninum

Question 15

Cutaneous larval migrans are caused by many larvae of hookworms, but commonly caused by which spp

Answer 15

Ancylostoma braziliense, A. caninum, A. ceylanicum

Question 16

these parasites are not voracious blood suckers but hypoalbuminemia and low grade anemia may occur

Answer 16

Uncinaria stenocephala

Question 17

The hookworm of pigs

Answer 17

Globocephalus samoensis

Question 18

What is the predilection site and final hosts of these spp resembling A. caninum except without pulmonary route

Answer 18

dogs, cat, fox; small intestine (Uncinaria stenocephala

Question 19

Give 1 clinical sign of Uncinaria stenocephala infection

Answer 19

pedal dermatitis

Question 20

these hookworms affect cattles and buffaloes’ large and small intestines

Answer 20

Agriostomum vryburgi

Question 21

Its pathogenesis includes foot stamping and one of the clinical signs is severe edema of intermandibular region

Answer 21

Bunostomum spp

Question 22

Name the hookworm in which just 24 adult worms is sufficient to cause death due to the marked blood sucking ability

Answer 22

Gaigeria pachyscelis

Question 23

Mode of transmission of Ancylostoma

Answer 23

Per os, Per cutis, Transmammary

Question 24

Mode of transmission of Uncinaria

Answer 24

Peroral, ingestion of paratenic hosts

Question 25

Which spp cause hookworm disease in carnivores

Answer 25

Ancylostoma, Uncinaria

Question 26

Identify the spp that cause hookworm disease of ruminants

Answer 26

Bunostomum, Gaigeria, Agriostomum

Question 27

identify the hookworm with 4 pairs of teeth in the buccal capsule

Answer 27

Agriostomum vryburgi

Question 28

spp causing hookworm disease of pigs

Answer 28

Globocephalus urosubulatus

Question 29

Identify the spp that cause hookworm disease of man

Answer 29

Ancylostoma, Necator americanus