Helminths

Question 1

Helminths are?

Answer 1

Multicellular

Question 2

Multicellular Parasites?

Answer 2

Helminths

Question 3

What are the 2 main types of Helminths?

Answer 3

Round worms - Nematodes

Flat worms - Platyhelminthes

Question 4

Round worms (nematodes) can be grouped based on the types of symptoms they cause. What are those groups?

Answer 4

GI + Lung
GI only
GI + Muscle
Blood and Tissue

Question 5

What are the 2 main types of Flat worms (Platyhelminthes)?

Answer 5

Schistosoma (trematodes)

Tapeworms (cestodes)

Question 6

What are the 2 main types of Helminths?

Answer 6

Round worms (nematodes)
Flat worms (Platyhelminthes)

Question 7

What are the 2 main types of Flat worms (Platyhelminthes)?

Answer 7

Schistosoma (trematodes)

Tapeworms (cestodes)

Question 8

Ascaris Lumbricoides, Nector/Ancylostoma, Strongyloides Stercoralis are all?

Answer 8

Roundworms that cause GI and LUNG manifestations

Question 9

Ascaris Lumbricoides infection occurs by?

Answer 9

Egg

- Round worm with GI and Lung involvement

Question 10

Nector/Ancylostoma infection occurs by?

Answer 10

Larvae

- Round worm with GI and Lung involvement

Question 11

What unique symptoms does infection by Nector/Ancylostoma cause?

Answer 11

Iron deficient anemia

Question 12

Strongyloides Stercoralis infection occurs by?

Answer 12

Larvae

- Round worm with GI and Lung involvement

Question 13

Roundworms with GI and Lung Involvement (Ascaris, Nector/Ancylostoma, Strongyloides) all migrate to and show?

Answer 13

The lung during development and show increased Eosinophils during that time

Question 14

Symptoms of infection with Ascaris Lumbricoides, Nector/Ancylostoma, Strongyloides Stercoralis?

Answer 14

Non-specific pulmonary symptoms

Question 15

Trichuris Trichiura and Enterobius Vermicularis are both?

Answer 15

Round worms with GI involvement only

Question 16

Trichuris Trichiura and Enterobius Vermicularis cause infection by?

Answer 16

Egg

Question 17

Symptoms of infection with Enterobuis Vermicularis?

Answer 17

Nocturnal Perianal Itching

Question 18

Nocturnal Perianal Itching is due to infection with which Round worm?

Answer 18

Enterobuis Vermicularis

Question 19

What test can detect the presence of eggs in the perianal region at night time?

Answer 19

Scotch tape test

- Enterobuis Vermicularis

Question 20

What Roundworm causes GI and Muscle involvement?

Answer 20

Trichinella Spiralis

Question 21

Trichinella Spiralis causes?

Answer 21

GI and Muscle involvement

- Round worm

Question 22

What causes infection by Trichinella Spiralis?

Answer 22

Raw PORK

Question 23

What are the symptoms of infection with Trichinella Spiralis?

Answer 23

• Round worm

= Myalgias, weakness, fever

Question 24

How do you diagnose infection with Trichinella Spiralis?

Answer 24

Muscle biopsy

- Round worm

Question 25

2 types of Flat worms (platyhelminthes)?

Answer 25

Schistoma (trematodes/blood flukes) | Tapeworms (cestodes)

Question 26

Describe how Schistosomas enter the body

Answer 26

Larvae released from snails in fresh water Penetrate skin Travel in veins to GI and bladder

Question 27

What animals release larvae of schistosomas?

Answer 27

Snails

Question 28

3 types of Schistosomas?

Answer 28

Jabonicum Mansoni Haematobium

Question 29

Infection with Schistosoma Jabonicum and Mansoni causes what symptoms?

Answer 29

GI bleeding, splenomegaly and portal HTN

Question 30

Infection with Schistosoma Haematobium causes waht symptoms?

Answer 30

Bladder cancer, hematuria and polyuria

Question 31

Bladder cancer causing Flat worm?

Answer 31

Schistosoma Haematobium

Question 32

How does infection with Tapeworms (cestodes) arise?

Answer 32

Eating raw meat raised in poor conditions

Question 33

Tapeworms attach to?

Answer 33

Small intestine

Question 34

What are the 2 types of tapeworms (cestodes)

Answer 34

Taenia Saginata | Taenia Solium

Question 35

Taenia Saginata is caused from?

Answer 35

Raw BEEF | - tapeworm

Question 36

Taenia Solium is caused from?

Answer 36

Raw PORK | - tapeworm

Question 37

Taenia Solium travels to ____ and causes?

Answer 37

CNS | = Seizures, altered vision and Neurocysticerosis

Question 38

What is Neurocysticerosis and what is it seen with?

Answer 38

- Seen with Taenia Solium (tapeworm) | = Cystic brain lesions with parasites in them)

Question 39

Cystic brain lesions with parasites in them

Answer 39

Neurocysticerosis | - Caused by Taenia Solium (tapeworm)