Medically Important Protozoa

Question 1

ENUMERATE

Medically important protozoa

Hemo CAFE

Answer 1

Feeding Grooves
Euglenozoa
Hemoflagellates
Amebae
Ciliates

Question 2

Single-celled eukaryotes that lack mitochondria

Answer 2

Feeding grooves

Question 3

Microorganism with NO MITOCHONDRIA

Answer 3

Gardia lamblia
G. intestinalis
G. duodenalis
Trichomonas vaginalis

Question 4

Disk-shaped mitochondria,
and absence of sexual reproduction.

Answer 4

Euglenozoa

Question 5

Photoautotrophs that move by means of a flagellum at the anterior end and hasa red eyespot at the anterior end.

Answer 5

Euglenoids/Euglena

Question 6

This carotenoid-containing organelle senses light and directs the cell in the appropriate direction by using a preemergent flagellum

Answer 6

Euglenoids

Question 7

What is the semirigid plasma membrane of the Euglenoids called?

Answer 7

Pellicle

Question 8

These are transmitted by the bites of blood-feeding insects and are found in the circulatory system of the bitten host

Answer 8

Hemoflagellates (blood parasites)

Question 9

It causes African sleeping sickness

Answer 9

Trypanosoma brucei

Question 10

Causative agent of Chaga’s disease

Answer 10

Trypanosoma cruzi

Question 11

How is Chaga’s disease transmitted?

Answer 11

It is transmitted by the “kissing bug,”

Question 12

How is African sleeping sickness transmitted?

Answer 12

It is transmitted by the Tse tse fly

Question 13

Trypanosoma brucei causes what disease?

Answer 13

African Sleeping Sickness

Question 14

Trypanosoma cruzi causes what disease?

Answer 14

Chaga’s disease

Question 15

They have long, slender bodies and an undulating membrane

Answer 15

Hemoflagellates (blood parasites)

Question 16

Move by extending blunt, lobe-like projections of the cytoplasm called pseudopods

Answer 16

Amebae

Question 17

It is a method used for culture of Amebae

Answer 17

HAV-infusion method

Question 18

is the only pathogenic ameba found in the human intestine that causes amebic dysentery

Answer 18

Entamoeba histolytica

Question 19

is the only pathogenic ameba found in the human intestine that causes amebic dysentery

Answer 19

Entamoeba histolytica

Question 20

Non-pathogenic amebae

Answer 20

Entamoeba dispar

Question 21

Amoeba growing in water, including tap water, can infect the cornea and cause blindness.

Answer 21

Acanthamoeba

Question 22

An amebae that causes granulomatous amebic encephalitis in the US and infects immunocompromised person.

Answer 22

Balamuthia

Question 23

An amebae that causes granulomatous amebic encephalitis in the US and infects immunocompromised person.

Answer 23

Balamuthia

Question 24

DOC for asymptomatic amebiasis

DIP

Answer 24

Diloxanide furoate
Iodoquinol
Paromomycin

Question 25

DOC for mild to moderate amebiases

Answer 25

Metronida**zole** Tinida**zole** **TCN and Erythromycin**

Question 26

DOC for severe amebiases

Answer 26

Metronidazole IV Tinidazole Tetracycline Dehydroemetine

Question 27

DOC for hepatic abscess, ameboma, and other intestinal disease

Answer 27

Metronidazole & Dehydroemetine

Question 28

It is characterized by the presence of a complex of special organelles at the apexes (tips) of their cells. The organelles in these apical complexes contain enzymes that penetrate the host’s tissues

Answer 28

Apicomplexa

Question 29

They have a complex life cycle that involves transmission between several hosts

Answer 29

Apicomplexans

Question 30

They are not motile in their mature forms

Answer 30

APICOMPLEXA

Question 31

Grows by sexual reproduction from female **Anopheles **mosquito

Answer 31

PLASMODIUM

Question 32

Infective stage of Plasmodium. Carried by Anopheles

Answer 32

Sporozoite

Question 33

Plasmodium that infects RED BLOOD CELL

Answer 33

Merozoites

Question 34

young trophozoites of plasmodium where the nucleus and cytoplasm are visible.

Answer 34

Ring trophozoite

Question 35

Male and female gametes cause no further damage but can be pick up by the Anopheles mosquito and begin their sexual cycle.

Answer 35

Gametes

Question 36

Sporozoites undergo schizogony in liver cells and produce thousands of progeny called ? | Schizogony: multiple fission, results in multiple cells

Answer 36

Merozoites

Question 37

The most common Plasmodium spp. That causes infection in humans

Answer 37

P. vivax

Question 38

Plasmodium spp. that causes benign infection all over the world

Answer 38

P. malariae

Question 39

Plasmodium spp. which is a less severe form of malaria

Answer 39

P. ovale

Question 40

banana shaped Plasmodium spp. which is most dangerous, found in sub-Saharan Africa

Answer 40

P. falciparum

Question 41

It is a disease caused by parasites that infect red blood cells transmitted mainly by Ixodes scapularis ticks

Answer 41

Babesiosis

Question 42

Carrier of Babesia microti

Answer 42

Ixodes scapularis ticks

Question 43

Parasite that causes Babesiosis

Answer 43

Babesia microti

Question 44

The life cycle of this parasite involves domestic cats. This parasite also causes congenital infection in the utero

Answer 44

Toxoplasma gondii

Question 45

It reproduces sexually and asexually in an infected cat | under Toxoplasma gondii

Answer 45

tachyzoites

Question 46

oocysts, each containing ____ sporozoites, are excreted with feces | under Toxoplasma gondii

Answer 46

8

Question 47

- Lives inside the cells lining the small intestine and can be transmitted to humans through the feces of cows, rodents, dogs, and cats. - Cause of the waterborne diarrhea epidemic in 1993

Answer 47

Crytosporidium spp

Question 48

Major host of C. parvum

Answer 48

Cattles

Question 49

These have cilia that are similar to but shorter than flagella

Answer 49

Cilates

Question 50

The only ciliate that is a human parasite, which is the causative agent of a severe, though rare, type of dysentery.

Answer 50

Balantidium coli

Question 51

Infective stage of E. histolytica

Answer 51

Quadrinucleate cyst

Question 52

Parasite that causes hemolytic anemia that can lead to jaundice and dark urine in immunosuppressed individuals.

Answer 52

Babesia microti