Quiz 4

Question 1

What are the three groups of Apicomplexa

Answer 1

A. Hemosporidians
B. Coccida
C. Piroplasms

Question 2

How was Apicomplexa discovered?

Answer 2

The Apical complex structure was seen through electron microscopy

Question 3

Host in which parasite has sexual reproduction

micro and macro gametes

Answer 3

Definitive Host

Question 4

Host in which parasite does not have sexual cycle.

• asexual reproduction
• host is harmed more

Answer 4

Intermediate Host

Question 5

Time from first invasion until one can fine detective stage s of the parasite

Answer 5

Pre-patent period of Infection

Question 6

5 Hemosporidium species

Answer 6

1. P. vivax
   * *2. P. falciparium
2. P. malaraie
3. P. ovale
4. P. knowels

Question 7

vector for Plasmodium species

Answer 7

Anopheles mosquito ( only female feed on blood)

Question 8

saw malaria on microscope

Answer 8

Laveran

Question 9

figured out that malaria came from Anopholes and not from bad air

Answer 9

R. Ross

Question 10

Benign Tertian Malaria

Answer 10

P. vivax

Question 11

can cause true relapse

Answer 11

P. vivax

Question 12

True relapse=

Answer 12

Hypnozoites

Question 13

can over-winter= survive cold climates

Answer 13

Long Prepatent period

Question 14

All species have this

-starts with bursting of RBC and then hot phase and then cold phase

Answer 14

Paroxym

Question 15

infects only reticulocyte (young RBC)

Answer 15

P.vivax

Question 16

can not pennerade Duffy-Neg RBC

Answer 16

P. vivax

Question 17

Schuffners Dots

Answer 17

P.vivax

Question 18

No other types of malaria except for P. vivax cause this

Answer 18

Schuffners Dots

Question 19

1 parasite

Answer 19

Plasmodium falciparum

Question 20

Malignant Tertian Malaria

Answer 20

P. falciparum

Question 21

Has highest Parasitemia (number of parasites per ml of blood)

Answer 21

P. falciparum

Question 22

infects any age of bacteria

Answer 22

P. falciparum

Question 23

doesnt have true relapse

Answer 23

P. falciparum

P. Malariae

Question 24

Has “knobbed host cells”

Answer 24

P. falciparum

Question 25

What do the knobbed host cells in P. falciparum do?

Answer 25

- Makes RBC sticky - Clogs vessles - **Causes Cerebral Malaria

Question 26

Cerebral Malaria

Answer 26

knobbed host cells of P. falciparum

Question 27

Causes protection against P. falciparum

Answer 27

Sickle cell anemia allele | -heterozygous for sickle cell Aa

Question 28

causes death in humans more than any others

Answer 28

P. falciparum

Question 29

Paroxyms are very severe and long lasting | -fever can get up to 108 degrees

Answer 29

P. falciparum

Question 30

clinical signs of P. falciparum

Answer 30

- Severe paroxysms - 108 fever - Anemia - cerebral malaria - blackwater fever - altered hemoglobin

Question 31

Quartan Malaria (slow)

Answer 31

Plasmodium malariae

Question 32

Have Paroxysns every third day

Answer 32

P. malariae

Question 33

most widely distributed

Answer 33

P. malariae

Question 34

infects previously infected blood cells | these are also the longest lived in human blood cell

Answer 34

P. malariae

Question 35

Transfusion Malaria

Answer 35

P. malariae

Question 36

can live for 53 years | -no re-infection due to latent blood stages

Answer 36

P. malariae

Question 37

mild term malaria

Answer 37

Plasmodium ovale

Question 38

patch distribution

Answer 38

P. ovale

Question 39

Hypnozoites have relapse

Answer 39

P. ovale

Question 40

have bissare shaped RBC

Answer 40

P. ovale

Question 41

Quotidian Malaria | -every 24 hours

Answer 41

Plasmodium knowlesi

Question 42

Looks like P. malaria

Answer 42

P. knowlesi

Question 43

Has true zoonosis reservoir- Macaques

Answer 43

P. knowlesi

Question 44

Platelet count very low

Answer 44

P. knowlesi

Question 45

Malaria diagnosis

Answer 45

Thick blood smear -if positive then make thin smear to speciate Field card test -detects Ag

Question 46

DOC for malaria

Answer 46

1. Malarone-take every day 2. **Doxycydine-military use-take every day - sun sensitive and would turn kids teeth yellow 3. Melfloquine- take once a week -negative phychological effects 4. Chloroquine- take once a week- very cheap - P. falcuparum resistant

Question 47

DOC for cerebral malaria

Answer 47

Quinidine

Question 48

In Africa there are numerous controlled programs, the one that seems to work the best is

Answer 48

Permethrin treated bed nets

Question 49

host specific and stay in the gut

Answer 49

Eimeria spp.

Question 50

2 sporozoited contained in each of the 4 sporocyst

Answer 50

Eimeria spp.

Question 51

Species of Eimeria found in chicken

Answer 51

E. tenella E. acervalina E. necatrix

Question 52

Clinical signs of Eimeria

Answer 52

Diarrhea-Bloody weight loss Death

Question 53

DOC for Eimeria

Answer 53

Amprolium | Monension

Question 54

Eimeria in cattle

Answer 54

E. bovis E. alabamensis E. auburnensis

Question 55

Eimeria in rabits is different because it goes to liver | this is VERY pathogenic

Answer 55

Eimeria stiedae

Question 56

has 4 sporozoites in 2 sporocyst

Answer 56

Cytoisopora belli

Question 57

clinical signs of Cytoisopora belli

Answer 57

Diarrhea- watery | Dehydration

Question 58

Diagnosis of Cytoisopora belli

Answer 58

Fecal microscopy

Question 59

DOC for Cytoisopora belli

Answer 59

TNP-SMX

Question 60

has NO SPOROSITS | -only sporozoites (4)

Answer 60

Cryptosporidium parvum

Question 61

usually obtained from working with infected cattle | -dairy cows mostly

Answer 61

Cryptosporidium parvum

Question 62

Clinical signs of Cryptosporidium parvum

Answer 62

- profuse watery diarrhea - severe dehydration - abdominal cramping - life threatening to AIDS patients

Question 63

DIagnosis of Cryptosporidium parvum

Answer 63

fecal smear | acid fast stain**

Question 64

DOC of Cryptosporidium parvum

Answer 64

Nitolzoxanide

Question 65

outbreaks of Cryptosporidium parvum

Answer 65

water treatment plants