Dengue IS Lab

Question 1

is a fatal manifestation of dengue virus that cause dandy fever, diathesis and hypovolemic shock

Answer 1

dengue hemorrhagic fever

Question 2

dengue fever also known as

Answer 2

breakbone fever

Question 3

etiological agent of dengue

Answer 3

flavivirus

Question 4

incubation period of dengue fever

Answer 4

3 to 10 days

Question 5

dengue shock syndrome involves

Answer 5

abdominal pain
vomiting
restlessness

Question 6

symptoms of dengue begins ….. qfter the infection

Answer 6

4 to 6 days

Question 7

phases of dengue

Answer 7

febrile
critical
recovery

Question 8

in which phase does hematocrit increase and platelet decrease

Answer 8

critical phase

Question 9

give 4 prevention of dengue

Answer 9

repellent
proper clothing
stagnant water cleaning
mosquito free environment

Question 10

dengue virus can be isolated from ??

Answer 10

serum plasma leucocytes autopsy sample csf

Question 11

positive result for torniquet test

Answer 11

10 petechiae per 1 square inch

Question 12

commonly used assesment for dengue today

Answer 12

chromatographic immunoassay

Question 13

bradycardia happens at what phase of dengue

Answer 13

recovery phase

Question 14

pressure amount used for tourniquet test

Answer 14

85 mmhg

Question 15

occult blood test for dengue

Answer 15

guaiac test

Question 16

reasons for invalid results

Answer 16

insufficient specimen volume
incorrect specimen procedure
repeat procedure in new cassette

Question 17

amount of sample for the ns1 control

Answer 17

3 drops or 75ul

Question 18

amount of sample in igm igg control

Answer 18

5ul or 1 drop

Question 19

amount of buffer

Answer 19

1 drop each control

Question 20

IgM IgG absent
Ns1 PCR positive

a. early primary infection
b. late secondary infection
c. early secondary infection
d. late primary infection

Answer 20

a. late primary infection

Question 21

variable IgG
IgM positive
Negative NS1 PCR

a. early primary infection
b. late secondary infection
c. early secondary infection
d. late primary infection

Answer 21

late primary infection

Question 22

Positive IgG NS1 PCR
variable IgM

a. early primary infection
b. late secondary infection
c. early secondary infection
d. late primary infection

Answer 22

early secondary infection

Question 23

IgM IgG positive
Negative NS1 PCR

a. early primary infection
b. late secondary infection
c. early secondary infection
d. late primary infection

Answer 23

late secondary infection

Question 24

viremia occurs in which phase of dengue

Answer 24

febrile