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Transmission of Parasitic Infections

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Questions and Answers

What is the mode of transmission of Ancylostoma duodenale?

Contaminated food or drink
Vector bite
Direct contact with contaminated soil (correct)
Inhalation of dust

Which of the following parasites can be transmitted through maternal-fetal transmission?

Trypanosoma cruzi
Entamaeba histolytica
Toxoplasma gondii (correct)
Giardia

What is the effect of parasites on the host due to their feeding activities?

Inflammatory reactions
Mechanical effect due to pressure or obstruction
Neoplastic reactions
All of the above (correct)

Which of the following is a characteristic of Sporozoites of malaria?

Transmission through the bite of a vector (D) Signup and view all the answers

What is the mode of transmission of Giardia?

Contaminated food or drink (C) Signup and view all the answers

What is the effect of parasites on the host due to the release of toxins and waste products?

Toxic effect (A) Signup and view all the answers

What is the characteristic shape of the trophozoite of Giardia lamblia?

Half pear-shaped (B) Signup and view all the answers

Which of the following is NOT a mode of transmission of Plasmodium?

Contaminated food and water (C) Signup and view all the answers

What is the primary mode of infection for Trichomonas vaginalis?

Sexual contact (B) Signup and view all the answers

What is the characteristic of the cyst of Giardia lamblia?

Contains four nuclei (B) Signup and view all the answers

What is the disease caused by Plasmodium falciparum?

Malaria (C) Signup and view all the answers

What is the most common symptom of Trichomonas vaginalis infection in females?

Foul-smelling yellowish discharge (B) Signup and view all the answers

What is the term for a living organism that lives at the expense of its host?

Parasite (C) Signup and view all the answers

Which of the following is an example of a definitive host?

A host that harbors the adult stages of the parasite (C) Signup and view all the answers

What is the term for a parasite that can live only in a host?

Obligate parasite (A) Signup and view all the answers

What is the process of growing and developing of a parasite called?

Life cycle (B) Signup and view all the answers

What is the role of a vector in disease transmission?

It carries the infective stage of the parasite and can transmit it (D) Signup and view all the answers

Which of the following is classified as a type of parasite?

All of the above (D) Signup and view all the answers

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