Ascaris Lumbricoides

Question 1

Infective form of A l ?

Answer 1

Embryonated egg containing rhabditiform larva

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Question 2

Portal of entry of A L ??

Answer 2

Alimentary canal
Faeco oral

Question 2

Host of A l ??

Answer 2

Man

Question 3

Mode of infection of A l ?

Answer 3

Ingestion of embryonated egg of A l with contaminated foods or drinks

Question 4

Site of loaction fo A l >??

Answer 4

SI

Question 4

Migration of A L ??

Answer 4

Lungs

Question 5

Disease caused by A l ??

Answer 5

Ascariasis

Question 6

Egg – Larva process ??

Answer 6

Fertilized egg – Unsegmented ovum – passed with faeces – U ovum to Rhabditiform larva – larva undergo moulting before hatching

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Question 7

Ingestion of contaminated food —- ???

Answer 7

Embryonated egg – Duodenum – Digestive juice weaken egg shell and R larva are liberated in the upper SI

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Question 8

Re entry into the stomach and the SI ???

Answer 8

Upper SI – nPortal circulation of liver – Right heart – Pulmonary circulation – Double moulting – Lung alveoli – Bronchi - Trachea – Larynx – Pharyns – Swallowed – Stomach – Upper SI – Another Moulting

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Question 9

Medical symptoms by Adult worm ??

Answer 9

1. PEM
2. V-A deficiency
3. Malnutrition by liberating anti-enzymes-(Antipepsin , Antitrypsin )
4. Typhoid like fever
5. Urticaria
6. Edema of the face
7. Conjunctivitis
8. Hypersensitivity reaction
9. (5-8) = A encephalopathy

Question 10

Medical symptoms by eggs ??

Answer 10

Donot cause any lesion

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Question 10

Medical symptoms due to migratory larvae ??

Answer 10

1. A pneumoniae / Loefflers syndrome
2. Meningitis
3. Epilepsy
4. Retinitis
5. Palpebral edema

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Question 10

Lofflers syndrome /

L pneumoniae

Answer 10

1. Fever
2. Cough most common
3. Malaise
4. Wheezing
5. DyspneA
6. Myalgia
7. Anorexia
8. Urticaria

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Question 11

Surgical condition by adult worm ??

Answer 11

1. Intestinal obstruction
2. Intussusceptions
3. Perforation of intestinal ulcer
4. Ectopic ascariasis = Suffocation

Question 12

Loffler’s syndrome lab analysis?

Answer 12

1. CBC-Eosinophilia
2. Stool-Parasite & ova
3. IgE - Elevated
4. Sputum analysis - Larvae present
5. Bronchoalveolar lavage - Eosinophilia

Question 13

Ectopic ascariasis site ??

Answer 13

1. Common bile duct
2. Pancreatic
3. Appendiceal
4. Suffocation - Respiratory passage & block rima glottidis
5. Mouth & nose

Question 14

Direct evidence - Demonstration of adult worm ??

Answer 14

1. In stool
2. In vomitus
3. Xray radiography - String like shadow

Question 15

Demonstration of the ovum ??

Answer 15

1. Stool
2. Bile

Question 16

Indirect evidence of lab diagnosis of A l ???

Answer 16

1. Blood exam - Eosinophilia
2. Serological test - Loefflers syndrome
3. Scratch test - Dermal test

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