Plasmodium: Types, Habitat, Vectors & Morphology

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To which phylum does Plasmodium belong?

Eukaryotes
Apicomplexa (correct)
Plasmodiidae
Haemosporida

How is human malaria transmitted?

Mosquito bites (correct)
Airborne droplets
Contaminated food
Direct contact

You can get malaria just by being near a person who has the disease.

False (B)

Which of these is NOT a stage of Plasmodium?

Nematode (D) Signup and view all the answers

Plasmodium falciparum causes disease referred to as?

Malignant tertian or subtertian malaria Signup and view all the answers

What type of smear is more sensitive and used for detection of malarial parasite when there is low parasitemia?

Thick smear (B) Signup and view all the answers

Which of the following is a diagnostic method for malaria?

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

Trypanosomes are unicellular organisms with the ability to move freely.

True (A) Signup and view all the answers

The insect inject Trypanosoma brucei into humans' blood when feeding.

metacyclic trypomastigotes Signup and view all the answers

Which of the following is a diagnostic method for Trypanosoma?

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

What is the infective and diagnostic stage of Trypanosoma?

Trypomastigote Signup and view all the answers

Name a disease caused by Giardia lamblia?

Giardiasis Signup and view all the answers

How is Giardia lamblia typically transmitted?

Ingestion of cysts through contaminated food and water (A) Signup and view all the answers

Which statement best describes the appearance of Giardia lamblia trophozoites?

Like tennis rackets without the handle (B) Signup and view all the answers

How many nuclei do Giardia lamblia cysts have?

4 nuclei (A) Signup and view all the answers

Which of the statement is correct for laboratory diagnosis of Giardia lamblia?

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

Which phylum does Plasmodium belong to?

Apicomplexa (D) Signup and view all the answers

Only one species of Plasmodium can infect humans.

False (B) Signup and view all the answers

Where are Plasmodium parasites found in humans?

Both Erythrocytes and Hepatocytes (C) Signup and view all the answers

What type of mosquito transmits human malaria?

Anopheles mosquito Signup and view all the answers

Which of the following is true about Anopheles mosquitoes and malaria?

Both A and B (C) Signup and view all the answers

What is the name of the disease caused by P. falciparum?

Both A and C (C) Signup and view all the answers

Falciparum malaria is not potentially life-threatening.

False (B) Signup and view all the answers

What type of microscopic examination is the gold standard for laboratory diagnosis of malaria?

Peripheral blood smears (C) Signup and view all the answers

What is a thin smear used for in the laboratory diagnosis of malaria?

Detecting parasites and determining the species Signup and view all the answers

What is one method of rapid diagnostic tests (RDT) for malaria??

Detecting malaria parasite antigens in human blood Signup and view all the answers

Name a molecular diagnostic method used for malaria?

PCR on blood Signup and view all the answers

What is the vector host of Trypanosoma brucie gambiense & Trypanosoma brucie rhodesiense?

Glossina palpalis (tse tse fly) (B) Signup and view all the answers

What is the infective stage of trypanosomes injected by the insect vector?

Metacyclic trypomastigotes Signup and view all the answers

What specimens can be used for the microscopic examination for detection of trypomastigotes?

Lymph node aspirates, CSF, and chancre fluid Signup and view all the answers

What is the infective and diagnosis stage of Trypanosoma spp.?

Trypomastigote Signup and view all the answers

What dieses is caused by Giardia lamblia?

Giardiasis Signup and view all the answers

Where does Giardia lamblia live in the human body?

Both Duodenum and Upper jejunum (C) Signup and view all the answers

How is Giardia lamblia transmitted?

Ingestion of cysts through contaminated food and water Signup and view all the answers

What is an easily identifiable characteristic about Trophozoites of Giardia lamblia?

Have two nuclei, two axostyles, two basal body, and 8 flagella Signup and view all the answers

When diagnosing Giardia lamblia infections, where can both cysts and trophozoites be found?

Feces (C) Signup and view all the answers

What is the infective stage of Giardia lamblia?

Cysts Signup and view all the answers

Plasmodium

A large group of parasitic eukaryotes, order Haemosporida, family Plasmodiidae.

Human-infecting Plasmodium species

P. vivax, P. ovale, P. malariae, P. falciparum.