Trichuris trichiura

Question 1

Common Name

Answer 1

Whipworm

Question 2

Infective Stage

Answer 2

Embryonated Eggs

Question 3

Habitat

Answer 3

• Large Intestine, attached in a pin cushion/pin fashion arrangement.

Question 4

Notable Parts

Answer 4

• Antenuated/tapered anterior
• Thick/robust posterior part

Question 5

Life span

Answer 5

2 years

Question 6

Egg Production

Answer 6

7,000 - 10,000 eggs per day

Question 7

Male worms

Answer 7

Coiled; have a single spicule (sheathed)
that appears lanceolated

Question 8

Esophagus

Answer 8

Has a string of beads appearance

Question 9

Shape

Answer 9

Barrel-shaped/ lemon-shaped/ football-shaped/ japanese lantern

Question 10

Types of Egg

Answer 10

Fertilized or Unfertilized

Question 11

Embryonated
Egg

Answer 11

• Embryonated in soil (because it is an STH)
• It has Has L1 larva inside

Question 12

Characteristics

The egg is _______, _________

Answer 12

thick shelled, non-striated

Question 13

Characteristics

Has ________ color

Answer 13

bile-stained

Question 14

Characteristics

It has hyaline/colorless structures on
both ends called

Answer 14

Bipolar mucus plugs

Question 15

Characteristics

is where larva
will be released or emerged once the egg is embryonated

Answer 15

Bipolar mucus plugs

Question 16

Trichuris trichiura: Life Cycle

The egg will hatch in the _______ and the larva would find its way and attach to the ____________

Answer 16

• small intestine
• large intestine

Question 17

Trichuris trichiura: Life Cycle

Eggs will passed onto the stool and
eventually find its way to the soil for the eggs to ______

Answer 17

embryonate

Question 18

Trichuris trichiura: Life Cycle

The eggs will undergo embryonation in the solid for approximately _______ or in some references, around ______

Answer 18

• 10-14 days
• 2-3 weeks

Question 19

Trichuris trichiura: Pathology

Adults are seen attached to the lining of the colon/large intestine in a __________

Answer 19

pin fashion manner

Question 20

Trichuris trichiura: Pathology

The parasite will be able to secrete ___, a pore forming protein

Answer 20

TT47

Question 21

Trichuris trichiura: Pathology

Patients may experience ________ like syndrome

Answer 21

Chronic dysentery

Question 22

Trichuris trichiura: Pathology

Usually asymptomatic, but infections can cause:

Answer 22

○ Diarrhea
○ Blood in stool
○ IDA
○ Rectal prolapse
○ Hypoalbuminemia
○ Weight loss
○ Appendicitis

Question 23

Trichuris trichiura: Pathology

(Rectum is exposed due to high severity)

Answer 23

Rectal prolapse

Question 24

Trichuris trichiura: Pathology

(because of some blood loss that would happen, albumin can also be lessen)

Answer 24

Hypoalbuminemia

Question 25

Trichuris trichiura: Treatment

Drug of choice

Answer 25

Mebendazole

Others : Albendazole, albendazole with
ivermectin

Question 26

Trichuris trichiura: Diagnosis

Answer 26

• DFS
• Kato-katz
• Concentration techniques
• FLOTAC technique

Question 26

Trichuris trichiura: Treatment

Trichuris is more difficult to be treated as compared to Ascaris because __________

Answer 26

it is attached
to the colon

Question 27

Trichuris trichiura: Epidemiology

Prefer to be embryonated in ______

Answer 27

clayish soil

Question 28

Trichuris trichiura: Epidemiology

More common in __________

Answer 28

tropical areas

Question 29

Trichuris trichiura: Epidemiology

Common among _________

Answer 29

children