blood and tissue protozoa

Question 1

infective stage : VECTOR TO MAN

a. sporozoite
b. gametocyte
c. merozoites
d. oocyst

Answer 1

plasmodium spp

```
infective stage :
Vector to man : SPOROZOITES
vs
Man to vector : GAMETOCYTE
( MAN MAHILIG MAG GAME)
~~~

Question 2

infective stage : MAN TO VECTOR

a. sporozoite
b. gametocyte
c. merozoites
d. oocyst

Answer 2

plasmodium spp

```
infective stage :
Vector to man : SPOROZOITES
vs
Man to vector : GAMETOCYTE
( MAN MAHILIG MAG GAME)
~~~

Question 3

most severe form of malaria and likely to be fatal

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae

Answer 3

MOST SEVERE FORM and likely to be FATAL

- Plasmodium falciparum

Question 4

most widely disseminated and most prevalent

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae

Answer 4

MOST WIDELY DISSEMINATED
MOST PREVALENT
- Plasmodium vivax

Question 5

resistant to malarial invasion

a. fy (a-, b- )
b. G6PD
c. Hb - S
d. aota

Answer 5

resistant to malarial invasion

• Fy (a-, b-)
• G6PD
• Hb - S

ans: aota

Question 6

what is the preferred specimen for rapid malarial diagnostic

a. whole blood
b. csf
c. urine
d. blood spot

Answer 6

rapid malarial diagnostic preferred specimen

• whole blood
  or
• capillary blood spot

Question 7

histidine - rich protein II is produced by

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae

Answer 7

HRP II is produced only by PLASMODIUM FALCIPARUM

Question 8

which of the following is produced by ALL plasmodium

a. histidine rice protein II
b. plasmodium lactate dehydrogenase
c. nota
d. aota

Answer 8

HRP II
- produced ONLY by P. falciparum

pLDH
- produced by ALL plasmodium

Question 9

what type of kit does detect HRP II

a. immunoassay
b. optimal assay
c. Colloidal Gold
d. malaquick assay

Answer 9

Malaquick assay
- can detect HRP II

optimal assay
- can detect pLDH

Question 10

which of this two rapid test for malaria is specific

a. histidine rice protein II
b. plasmodium lactate dehydrogenase

Answer 10

HRP -II
- specific

pLDH
- non specific

Question 11

the alcohol based _______( stain) is the GOLD STANDARD

a. gram stain
b. acid fast stain
c. giemsa stain

Answer 11

the alcohol based GIEMSA STAIIN is the Gold standard

if giemsa is not available u can use THICK OR THIN SMEAR

Question 12

which of the two smear is more specific

a. thin smear
b. thick smear

Answer 12

thin smear
- more specific

thick smear
- more sensiitive

Question 13

what kind of smear is use for malarial diagnosis

a. thin smear
b, thick smear

Answer 13

thin smear
- identification of plasmodium species

thick smear
- use for malarial diagnosis

Question 14

what kind of smear is use for identification of plasmodium spp

a. thin smear
b, thick smear

Answer 14

thin smear
- identification of plasmodium species

thick smear
- use for malarial diagnosis

Question 15

best time to collect blood for malaria

a. after taking antibiotics
b. during high fever
c. during low fever
d. first thing in the morning

Answer 15

best time to collect blood

- during high fever

Question 16

what culture media to use

a. tcbs
b. thioglycollate
c. RPMI 164
d. amies medium

Answer 16

RPMI 164

Question 17

which of the following Plasmodium tends to infect old cells

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae
e. P. knowlesi

Answer 17

Plasmodium mlaariae

• 72 hour cycle (long incubation period)
• tends to infect OLD cells
• normal size of rbcs
• no stippling
• trophozoites tends to form bands across the cell
• 6 to 12 merozoites in rosettes

Question 18

which of the following Plasmodium has a long incubation period

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae
e. P. knowlesi

Answer 18

Plasmodium mlaariae

• 72 hour cycle (long incubation period)
• tends to infect OLD cells
• normal size of rbcs
• no stippling
• trophozoites tends to form bands across the cell
• 6 to 12 merozoites in rosettes

Question 19

which of the following Plasmodium has SCHUFFNER dots ( true stippling)

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae
e. P. knowlesi

Answer 19

plasmodium vivax
- schuffner dots (true stippling)

plasmodium ovale
- schuffner dots appear in the beginning

Question 20

which of the following Plasmodium has a trophozoite less amoeboid

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae
e. P. knowlesi

Answer 20

P. ovale
- trophozoite less amoeboid

p. vivax
- very amoeboid trophozoite

Question 21

which of the following Plasmodium has a 8 merozoites

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae
e. P. knowlesi

Answer 21

P. ovale
- 8 merozoites

p. vivax
- 12 - 24

p. malariae
- 6 - 12

p. knowlesi
- 16

Question 22

which of the following Plasmodium has crescent shaped gametocytes

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae
e. P. knowlesi

Answer 22

plamodium falciparum

- crescent shaped gametocye / banana shaped

Question 23

which of the following Plasmodium has a maurer’s dot

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae
e. P. knowlesi

Answer 23

P. falciparum
- maurer’s dot

F - erdinand Marcos

Question 24

what spp of plasmodium does early stages plasmodium knowlesi mimic

a. P. vivax
b. P. falciparum
c. P. ovale
d. P malariae

Answer 24

early stages mimic
-P. falciparum

later stages mimic
- P. malariae

Question 25

fifth human malariae a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 25

P. knowlesi - 5th human knowlesi

Question 26

what test to perform to detect and diagnose Plasmodium knowlesi a. antigen test b. gram stain c. vdrl d. pcr assay

Answer 26

pcr assay - characterization are most reliable methods in deteting and dx of P. knowlesi infection

Question 27

which of the ff sp cause autoadherence a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 27

plasmodium falciparum

Question 28

most common cause of malaria (70%) in the philippines a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 28

Philippines - plasmodium falciparum worldwide - plasmodium vivax

Question 29

which of the ff schizont resembles fruit pie a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 29

plasmodium malariae - scizont resembles : fruit pie flower daisy head rossette form

Question 30

black water fever a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 30

plasmodium falciparum - black water fever (hemoglobinuria)

Question 31

which of the plasmodiumhas a single large compact ring a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 31

plasmodium malariae - small large compact ring (basket) or band forms p. ovale - single compact ring (like trophof P. malariae)

Question 32

which of the plasmodium has a small ring forms , OPPLIQUE FORM, double nuclear dots a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 32

plamsodium falciparum - small ring forms - opplique forms - double nuclear dots

Question 33

which of the plasmodium will cause a serious disease a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 33

p. knowlesi will infect all ages of rbc, and will cause a serious disease

Question 34

which of the plasmodium spp is medical emergencies a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 34

medical emergiencies - P. falciparum - P. knowlesi

Question 35

draw of blood every _____ hours until it is confirmed positive or negative a. 8 b. 7 c. 6 d. 3

Answer 35

every 6 hours

Question 36

malarial parasites that cause RELAPSE a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 36

RELAPSE - P . ovale - P .vivax ovale and vivax are almost the same in allll vivax- round ovale - oval

Question 37

malarial parasites that cause non relapse a. P. vivax b. P. falciparum c. P. ovale d. P malariae e. P. knowlesi

Answer 37

non relapse - p. knowlesi - p. falciparum falciparum and knowlesi they are also the medical emergencies