Giardia Lamblia Quiz

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10 Questions

What is the infective stage of Giardia lamblia?

Cyst with 5 nuclei

What is the characteristic shape of Giardia lamblia trophozoite?

Pear shape

Which wet mount preparation is used to observe trophozoites of Giardia lamblia?

Saline wet mount

What type of motility is typically shown by Giardia lamblia trophozoites?

Falling leaf type motility

What is the other name for Giardia lamblia?


What is the shape of a fully mature Giardia lamblia cyst?

Oval or ellipsoidal

What is the feeding stage of Giardia lamblia known as?


What type of motility is typically shown by Giardia lamblia trophozoites?

Falling leaf type

Which part of the human body does Giardia lamblia primarily inhabit?

Small intestine

What symptoms are commonly associated with Giardia lamblia infection?

Abdominal pain, diarrhea (watery, but no blood)

Study Notes

Giardia lamblia

  • The infective stage of Giardia lamblia is the cyst.
  • The trophozoite of Giardia lamblia has a characteristic teardrop shape with a concave ventral surface.
  • Trophozoites of Giardia lamblia are observed using a wet mount preparation with saline or iodine.
  • Giardia lamblia trophozoites exhibit a tumbling or falling leaf motility.
  • Giardia lamblia is also known as Giardia intestinalis or Giardia duodenalis.
  • A fully mature Giardia lamblia cyst is oval or ellipsoidal in shape.
  • The feeding stage of Giardia lamblia is known as the trophozoite.
  • Giardia lamblia trophozoites primarily inhabit the small intestine of the human body.
  • Giardia lamblia infection is commonly associated with symptoms such as diarrhea, abdominal cramps, and weight loss.

Test your knowledge of Giardia lamblia with this quiz. Learn about its habitat in the small intestine, its two morphological forms, and the characteristics of its infective stage, the cyst. Dr. Hasan Al-Falah's lab.

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