Para Lec - A. lumbricoides & T. trichiura

Question 1

hookworms attach on small intestines via

Answer 1

pith

Question 2

common name of Ascaris lumbricoides

Answer 2

giant intestinal roundworm

Question 3

final host of Ascaris lumbricoides

Answer 3

man

Question 4

habitat of Ascaris lumbricoides

Answer 4

small intestine

Question 5

diagnostic stage of Ascaris lumbricoides

Answer 5

ova (fertilized or unfertilized)

Question 6

infective stage of Ascaris lumbricoides

Answer 6

EMBRYONATED egg

Question 7

sources of infection of Ascaris lumbricoides

Answer 7

STH

soil with contaminated feces

Question 8

MoT of Ascaris lumbricoides

Answer 8

Ingestion

Question 9

Portal of entry of Ascaris lumbricoides

Answer 9

mouth

Question 10

Portal of exit of Ascaris lumbricoides

Answer 10

anus

Question 11

egg with a larva waiting to be hatched

Answer 11

embryonated egg

Question 12

embryonated egg of A. lumbricoides may remain viable for

Answer 12

3 months

Question 13

neglected tropical disease, problem of underdeveloped countries

Answer 13

Ascariasis

Question 14

how much of the world’s population is infected with Ascariasis?

Answer 14

1/8th of the world’s population

Question 15

largest intestinal nematodes infecting humans

Answer 15

Ascaris lumbricoides

Question 16

obligatory extraintestinal migration of Ascaris lumbricoides causes

Answer 16

eosinophilia

Question 17

lifespan of Ascaris lumbricoides

Answer 17

1-2 years

Question 18

intensity of infection of Ascaris lumbricoides greatest in what age group

Answer 18

children 5-10 years old

Question 19

which helminth requires heart and lung migration to be fully developed

Answer 19

Ascaris lumbricoides

Question 20

Eggs of Ascaris lumbricoides can survive the acidity of small intestine. T or F

Answer 20

T

Question 21

Where does Ascaris lumbricoides release its larva

Answer 21

small intestine

Question 22

where do adult worms of Ascaris lumbricoides live

Answer 22

small intestine

Question 23

number of eggs that a female Ascaris lumbricoides produce per day

Answer 23

200 000 eggs/day

Question 24

how many months required from ingestion of infective eggs of Ascaris lumbricoides to oviposition by the adult F

Answer 24

2-3

Question 25

Where does maturation of worm of Ascaris lumbricoides take place

Answer 25

S.I.

Question 26

Where does the female Ascaris lumbricoides become fertilized

Answer 26

S.I.

Question 27

color of adult worms of Ascaris lumbricoides

Answer 27

creamy white to pinkish yellow

Question 28

describe head of adult worm of Ascaris lumbricoides (2)

Answer 28

trilobate/triradiate lips | small triangular buccal cavity

Question 29

female or male adult worm of Ascaris lumbricoides | tapered at both ends and large (20-35, up to 45 cm)

Answer 29

female

Question 30

female or male adult worm of Ascaris lumbricoides smaller and slender curve posteriorly equipped with copulatory spicule

Answer 30

male

Question 31

what stage of the Ascaris lumbricoides penetrates the intestinal villi

Answer 31

larval stage

Question 32

what stage of the Ascaris lumbricoides invades the lungs

Answer 32

larval stage

Question 33

what stage of the Ascaris lumbricoides is swalloed from the throat

Answer 33

larval stage

Question 34

type of egg in unicellular stage

Answer 34

fertilzed egg

Question 35

egg with developed alrva | found in the environment

Answer 35

embryonated ehh

Question 36

geographic prevalence of a. lumbricoides

Answer 36

highest in warm, wet climates

Question 37

types of soil preferred by Ascaris lumbricoides

Answer 37

loamy, soft soil, shady

Question 38

pre-patency of Ascaris lumbricoides

Answer 38

2 months

Question 39

pathology due to larva of Ascaris lumbricoides may cause ___ (2)

Answer 39

pneumonitis/Loeffler's disease | eosiniphilia

Question 40

in migration stage of of Ascaris lumbricoides, this condition is common

Answer 40

eosinophilia

Question 41

what occurs when an antihelminthic drug is given when the patient has fever

Answer 41

erraticity

Question 42

these remnants may also be seen in of Ascaris lumbricoides infection [related to eosinophilia]

Answer 42

Charcot-Leyden crystals

Question 43

adult phase of ascaris causes [3]

Answer 43

malnutrition impaired physical growth mild abdominal discomfort

Question 44

condition caused by adult ascaris | small bowel obstruction (in children, few as 60 worms?)

Answer 44

mild abdominal discomfort

Question 45

infection of gall bladder

Answer 45

cholangitis

Question 46

manifestations of wandering ascaris (in severe infections) [4]

Answer 46

biliary tract infections pancreatitis cholangitis liver abscess

Question 47

2 types of treatment for ascaris

Answer 47

selective and mass

Question 48

more effective treatment for ascaris

Answer 48

mass

Question 49

drug of choice for treatment for ascaris

Answer 49

albendazole x 1 dose

Question 50

mass of ascaris worms in intestines that cause GIT perforations

Answer 50

worm bolus

Question 51

diagnosis of ascaris (types of stool exams) (4)

Answer 51

DFS Kato Kato Katz Brine Flotation Technique

Question 52

Diagnosis of ascaris | more sensitive than dfs

Answer 52

Kato katz/Kato

Question 53

Diagnosis of ascaris | for determining the intensity of infection

Answer 53

kato katz technique

Question 54

Diagnosis of ascaris | uses a hypertonic solution

Answer 54

Brine Flotation Technique

Question 55

Diagnosis of ascaris | has a tendency to damage cells

Answer 55

Brine Flotation Technique

Question 56

ratio for glycerol solution

Answer 56

1 part water 1 part glycerol 1:1

Question 57

materials in kato katz technique

Answer 57

``` 50% glycerol-malachite green solution wire mesh (60 - 105 mesh) ```

Question 58

materials in kato katz technique | removes fecal debris

Answer 58

wire mesh

Question 59

use of malachite green

Answer 59

provide contrast

Question 60

other conc techniques aside from brine flotation

Answer 60

zinc sulfate conc. technique MIFCT FECT

Question 61

root cause of A. lumbricoides

Answer 61

poverty

Question 62

layers present in corticated fertilized egg

Answer 62

mamillary coat glycogen layer vitelline layer

Question 63

layers present in decorticated fertilized egg

Answer 63

glycogen layer | vitelline layer

Question 64

layers present in corticated unfertilized egg

Answer 64

mamillary coat | glycogen layer

Question 65

layers present in decorticated unfertilized egg

Answer 65

glycogen layer

Question 65

When will pneumonitis manifest in ascaris

Answer 65

4-16 days after infection

Question 66

Number of worms involved in mild abdominal discomfort

Answer 66

60 worms