Intro to Virology

Question 1

What microscope is used for viruses?

Answer 1

Electron microscope

Question 2

(True or False)

Viruses have metabolic processes

Answer 2

False

Question 3

(True or False)

Viruses are not capable of self replication

Answer 3

True

Question 4

Viruses are inhibited by ____ & ____ agents

Answer 4

Interferon

Antiviral agents

Question 5

(True or False)

Antiviral agents can destroy the virus

Answer 5

False (only inhibit viral replication)

Question 6

It is a complete viral particle

Answer 6

Virion

Question 7

The envelope of a virus is composed of a _____?

Answer 7

Phospholipid bilayer

Question 8

These viruses are sensitive to ether, alcohol, detergents, dry heat

Answer 8

Enveloped viruses

Question 9

These viruses are resistant to ether, alcohol, detergents, dry heat

Answer 9

Naked viruses

Question 10

Enveloped viruses are transmitted thru?

Answer 10

Direct contact

Question 11

Naked viruses are transmitted thru?

Answer 11

Fecal-oral route

Question 12

It is a protein coat that encloses the genome

Answer 12

Capsid

Question 13

Capsid is composed of structural units called?

Answer 13

Capsomeres

Question 14

It is involved in specific binding to receptors in host cell’s membrane to facilitate entry

Answer 14

Spikes

Question 15

Matrix proteins are found between ____ & ____

Answer 15

envelope & nucleocapsid

Question 16

3 DNA viruses w/ circular DNA

Answer 16

Papillomaviridae
Polyomaviridae
Hepadnaviridae

Question 17

DNA virus w/ a single stranded DNA

Answer 17

Parvoviridae

Question 18

It gives the orientation of the reading frame

Answer 18

Polarity

Question 19

RNA virus with DS RNA

Answer 19

Reoviridae

Question 20

Group of viruses with a positive sense, SS RNA

Answer 20

Group IV

Question 21

It is also known as Adsorption

Answer 21

Attachment

Question 22

Coreceptor of HIV CD4 in lymphocytes

Answer 22

CXCR4

Question 23

Coreceptor of HIV CD4 in macrophages

Answer 23

CCR5

Question 24

Receptor in Rabies virus

Answer 24

Acetylcholine

Question 25

Penetration is either thru ____ or _____

Answer 25

Direct fusion | Viropexis

Question 26

It is called the time where infectious viral particles cannot be recovered from the cell

Answer 26

Eclipse phase

Question 27

DNA viruses replicate in the ____

Answer 27

nucleus

Question 28

RNA viruses replicate in the _____

Answer 28

cytoplasm

Question 29

Largest DNA virus

Answer 29

Poxvirus

Question 30

Release of naked viruses is thru ____

Answer 30

Lysis

Question 31

Release of enveloped viruses is thru ____

Answer 31

Budding

Question 32

It is the degradation of the capsid

Answer 32

Uncoating

Question 33

It causes morphological changes in cell organelles followed by cellular lysis

Answer 33

Cytopathic effects

Question 34

Viral infection wherein no progeny virus particles are produced

Answer 34

Abortive infection

Question 35

Viral genetic material remains in host without viral production

Answer 35

Latent infection

Question 36

Low level of viral production without immune clearance

Answer 36

Chronic infection

Question 37

Viral gene product induces unregulated cellular growth forming tumors

Answer 37

Viral transmission

Question 38

Group of viruses composed of circular gapped, DS DNA

Answer 38

Group VII

Question 39

Group of viruses composed of negative sense, SS RNA

Answer 39

Group V