2.6.2 Special Topics (Part 2)

Question 1

Aspirates are better than swabs for collection of virus

T or F

Answer 1

T

Question 2

Throat swab are acceptable in recovering of enterovirus, adenovirus, and HSV

T or F

Answer 2

T

Question 3

Nasopharyngeal swabs or aspirates are preferred for detection of Respiratory Syncytial Virus, Influenza and Parainfluenza which are belong to what family of virus?

Answer 3

RSV and Parainfluenza: Paramyxo

Influenza: Orthomyxo

Question 4

Specimen appropriate for Rhinovirus?

Answer 4

Nasal Specimen (Rhino=Nose)

Question 5

Nasopharyngeal swabs and Oropharyngeal swabs uses Dacron/Rayon/Polyester for COVID 19

T or F

Answer 5

T

Question 6

Specimen for influenza and adenovirus

Answer 6

Bronchial and Bronchoalveolar lavage

Question 7

Detection of Rotavirus, Enteric Andenociruses (Serotype 40-41) andNorovirus, EnteroViruses

Answer 7

Stool and Rectal Swab

Question 8

Urine for virus is collected at?

Answer 8

Early morning (10mL) Midstream catch

Question 9

Urine is neutralize with ?

Answer 9

7.5% sodium bicarbonate

Question 10

What specimen is for detection of HSV, VZV by using Tzank smear

Answer 10

Skin and mucous membrane

Question 11

Specimen used for detection of enteroviruses, HSV, influenza virus or CMV, Coxsackie B

Answer 11

Sterile body fluids (CSF, pericardial, pleural)

Question 12

Specimen used for agents of encephalitis and meningitis

Answer 12

Sterile body fluids

Question 13

Blood specimen is primarily used for detecting of ?

Answer 13

CMV

Question 14

______ mL anticoagulated blood

Answer 14

5-10mL

Question 15

What anticoagulat is usd for nucleic acid testing in blood?

Answer 15

EDTA

Question 16

What anticoagulat is not used in blood culture?

Answer 16

EDTA

Question 17

Specimen that is collected for viruses that cause aplastice anemia, aplasia, hemophagocytic lymphohistiocytosis

Answer 17

Bone marrow

Question 18

Specimen colledted for viruses that cause conjunctival, corneal, retinal disease Such as Adeno, HSV, VSV

Answer 18

Eye specimens

Question 19

Conjunctival swabs is collected from the _______ conjunctiva using ______ or ______ swab moistedned with sterile _______ and placed in VTM

Answer 19

Lower, Rayon or Dacron, NSS

Question 20

Specimen usually used for detection of viruses that infect the lungs, brain, and GI tract

Answer 20

tissue specimen

Question 21

Specime used for detection of specific viral antibodies among acute and convalescent patients

Answer 21

Serum

Question 22

Specimen used for Sin nombre virus, hepatitis, Lassa fever, rubella, arboviruses, HIV

Answer 22

Serum

Question 23

Collect virus Specimen during the first _________ days after onset of S/S

Answer 23

3-4 days (Acute phase)

Question 24

For delays in processing, store specimens at (temp) _____ for no more than 5 DAYS

Answer 24

4C

Question 25

For longer delays and specimen transport, maintain at _______ (Temp) for 6 or more days

Answer 25

-70C

Question 26

Viral transport medium, _______ or _______ can be added to sterile container to keep tissue moist

Answer 26

Saline or TSB

Question 27

Specimen requires VTM:

URine
Stool
Swabs
Respiratory
Tisse

Which of the following does not belong?

Answer 27

Urine, Stool

Question 28

Swabs used for Virus?

Answer 28

Dacron, Rayon

Question 29

Calcium alginate wiith wooden shafts is used for viral specimen

T or F

Answer 29

F

Inactivate envelope viruses