Diphyllobothrium latum

Question 1

What is the common name of Diphyllobothrium latum?

Answer 1

Fish tapeworm and broad tapeworm

Question 2

How many infective host do diphyllobothrium latum has?

Answer 2

3

Question 3

What is the first host of the D.latum?

Answer 3

Copepods, Genus cylops and diaptomus

Question 4

What is the second host of the D.latum?

Answer 4

Freshwater fishes, pike, salmon, trout and white fish

Question 5

What is the final host of the D.latum?

Answer 5

Man

Question 6

What is the infective stage of D.latum?

Answer 6

Procercoid larva in human
Procercoid in crustaceans

Question 7

What is the definitive host of D.latum?

Answer 7

NONE

Question 8

What is the reservoir host of Diphyllobothrium latum?

Answer 8

Dogs and Cats

Question 9

What is the appearance of the ADULT D. latum?

Answer 9

Ivory white
Length: 3 - 10 meters

Question 10

How many proglottids do D. latum has?

Answer 10

4000

Question 11

Describe the scolex of the ADULT D. latum

Answer 11

Almond shape with dorsal and ventral suctorial grooves

Question 12

Describe the Proglottids of the ADULT D. latum

Answer 12

Broader, with male and female reproductive system

Question 13

What is the appearance of the uterus of ADULT D.latum under proglottids?

Answer 13

Coiled uterus (rosette)

Question 14

What is the location of the genital pore in the proglottid of an ADULT D. latum

Answer 14

Center

Question 15

What is the size of the proglottid of D. latum?

Answer 15

2 -4 mm long by 10 - 12 mm wide

Question 16

What is the appearance of the OVA/OVUM of D. latum?

Answer 16

Single shell; operculated

Question 17

How many hooklets do the embryo of the D.latum contains?

Answer 17

3 pairs of hooklets

Question 18

What is the color of the OVA/OVUM of the D. latum?

Answer 18

Yellowish to yellow - brown

Question 19

The OVA/OVUM of the D.latum is found ______________ in feces.

Answer 19

Immature

Question 20

How many eggs do D. latum lay?

Answer 20

100,000 eggs

Question 21

Give 3 diseases that are caused by D. latum

Answer 21

Diphyllobothriasis
Bothriocephaliasis
Fish tapeworm infection
Broad tapeworm infection
Dibothriocephalus anemia

Question 22

What do the migration of proglottids cause?

Answer 22

Cholecystitis or cholangitis

Question 23

In the megaloblastic anemia that resembles pernicious anemia, what is the appearance of the RBCS?

Answer 23

Macrocytic normochromic

Question 24

What is the laboratory diagnosis of Diphyllobothrium latum?

Answer 24

Eggs
examination of proglottids
Surgical removal of sparganum

Question 25

What is the treatment for D. latum?

Answer 25

Praziquantel
Niclosamide
Paromomycin

Question 26

This larval stage of the D.latum swims freely in the water

Answer 26

Coracidium

Question 27

This stage of D. latum measures 550 u and has 3 pairs of hooklets

Answer 27

Procercoid

Question 28

This stage of D. latum is 6mm in L, is glistening and opaque white

Answer 28

Plerocercoid

Question 29

Identify the stage of D.latum:
It has an invaginated anterior end

Answer 29

Plerocercoid

Question 30

This is the counterpart of larve?

Answer 30

Plerocercoid

Question 31

This stage of D.latum is the ingestion of infected cyclops and can infect the eyes, nose, neck, brain and abdominal viscera

Answer 31

Sparganosis

Question 32

What do sparganosis cause?

Answer 32

Intense inflammation and eosinophilia

Question 33

This is the swelling of the edematous (eyelids) and can cause intense pain and irritation

Answer 33

Ocular sparganosis

Question 34

This is the longest tapeworm that can infect human

Answer 34

Diphyllobothrium latum

Question 35

What vitamin to D.latum ingest?

Answer 35

Vitamin B12

Question 36

What is the diagnostic stage of D.latum?

Answer 36

Eggs