Classification of Sporozoans (C. parvum)

Question 1

What are the diff species/classification of Sporozoa?

Answer 1

Plasmodium spp.
Toxoplasma gondii
Cryptosporidium parvum
Isospora
Cyclospora

Question 2

A unicellular, spore-forming, and exclusively
EXCLUSIVELY PARASITEF FOR ANIMALS?

Answer 2

Phylum Apicomplexa

Question 3

TRUE OR FALSE: Phlyum Apicomplexa HAS an apparent mean for locomotion?

Answer 3

FALSE: No apparent means of locomotion

Question 4

Which CLASS does mealworms belong to?

Answer 4

GREGARINA

Question 5

Which CLASS does malaria belong to?

Answer 5

Plasmodium

Question 6

Another term for Asexual reproduction?

Answer 6

Schizogony

Question 7

Another term for Sexual reproduction?

Answer 7

Sporogony

Question 8

This term is named for organisms with an apical complex?

Answer 8

Apicomplexa

Question 9

This part of sporozoans aids with the penetration of the host?

Answer 9

Apical Complex

Question 10

An enteric, anthroponetic and zoonotic parasite

Answer 10

Cryptosporidium parvum

Question 11

This term refers to an ability of a disease-causing agent carried by humans and is transferred to animals?

Answer 11

Anthroponetic

Question 12

TRUE OR FLASE: C. parvum associated with AIDS?

Answer 12

TRUE: 1980s

Question 13

TRUE OR FLASE: C. parvum has a safe and effective treatment

Answer 13

FALSE: No safe and effective treatment

Question 14

What are the different morphological forms that C. parvum may undergo during its lifetime?

Answer 14

1. Oocysts (infective stage)
2. Sporozoites (infective and diagnostic)
   - Each contains one nucleus
3. Trophozoite
4. Type 1 meront
5. Type II meront
6. Microgamont
7. Macrogamont

Question 15

Infective stage of C. parvum?

Answer 15

Oocysts & Sporozoites

Question 16

This morphological form of C. parvum is spherical, oval and is approx. 5 micro met. DOES NOT STAIN WITH IODINE and is ACID FAST

Answer 16

OOCYST

Question 17

This morphological form of C. parvum is:
Double walled
Only stage that can live ex vivo
Embeds itself in gut epithelium

Answer 17

OOCYST

Question 18

This morphological form of C. parvum is:
Crescent or bow-shaped
Anterior is SLIGHTLY POINTED and the
posterior is END-ROUNDED

Answer 18

Sporozoites

Question 19

In Sporozoites of C. parvum where is the nucleus located?

Answer 19

Posterior third of the body

Question 20

This morphological form of C. parvum is:

Question 20

This morphological form of C. parvum is:

Question 20

This morphological form of C. parvum is:
Round or oval intracellular but is in an exocytoplasmic form
Has a 1 single nucleus

Answer 20

Trophozoites

Question 20

This morphological form of C. parvum is the transitional stage from sporozoites and merozoites to meront

Answer 20

Trophozoites

Question 21

Infective stage of C. parvum: Oocyst; Dosage?

Answer 21

132 Oocyst

Question 22

Give 5 Clinical manifestation is a person has been infected with C. parvum?
Hint: abnormal gut symptoms

Answer 22

● Diarrhea
● Abdominal cramps
● Nausea
● Vomiting
● Low-grade fever

Question 23

Disease term referred if one is infected with C. parvum?

Answer 23

CRYPTOSPORIDIOSIS

Question 24

This method of diagnosis allows the oocyst to stain red; is acid fast stained stool smear, can be fluorescent based?

Answer 24

Microscopy

Question 25

This method of diagnosis detects Cryptosporidium antigens in the stool sample? Another term for ELISA

Answer 25

Enzyme Immunoassay

Question 26

These medications may alleviate
some of the diarrheal symptoms however the
latter is contraindicated for AIDS patients.

Answer 26

Paromomycin and Nitazoxanide