VIRUSES

Question 1

Chickenpox

Answer 1

caused by varicella-zoster virus

-lesions on back + trunk

Question 2

Shingles

Answer 2

caused by varicella-zoster virus

-lesions localized to skin along infected nerve

Question 3

Varicella Zoster/Herpes Zoster Family

Answer 3

causes chickenpox + shingles

Question 4

Epstein Barr virus

Answer 4

• causes infectious mononucleosis [kissing disease]
• implicated w oral hairy leukoplakia [seen in AIDS patients]

-occurs more in teens/young adults via saliva

Question 5

German measles

Answer 5

aka rubella virus

• occurs mostly in infants/young kids
• can result in teratogenic birth defects or death
• vaccine is aimed at preventing rubella infections in pregnant women

Question 6

Rubella

Answer 6

aka german measles

• occurs mostly in infants/young kids
• can result in teratogenic birth defects or death
• vaccine is aimed at preventing rubella infections in pregnant women

Question 7

Hepatitis A

Answer 7

aka infectious hepatitis

in HAV cases, complete recovery occurs 99% of the time

• foodborne
• no envelope present

Question 8

Hepatitis B

Answer 8

aka serum hepatitis

-diagnosed by presence of viral proteins in bodily fluids

Question 9

Hepatitis D

Answer 9

only acquired as a co-infection

Question 10

Herpes simplex 1

Answer 10

causes ORAL herpes infection
NOT GENITAL HERPES

treated w acyclovir

Question 11

Herpes simplex 2

Answer 11

cause genital herpes
-sacral ganglia
virus becomes latent in nerve cells

treated w acyclovir

Question 12

HIV

Answer 12

ssRNA containing enveloped virus
—reverse transcriptase
-targets CD4 T cells
2 serotypes

Question 13

Human Papillomavirus

[HPV]

Answer 13

1 cause of std in the US

genital warts aka condylomata

• can cause various cancers
• in women, can cause cervical carcinomas detected by pap smears

Question 14

Influenza virus

Answer 14

causes influenza

• causes mutations in genes for hemagglutinins, neuraminidase, capsid, + phospholipid envelope produce new strains
• -via antigenic drift (yearly epidemics), + antigenic shift (pandemics)

Question 15

Measles

Answer 15

aka rubeola

characterized by koplik spots
immunization w MMR vaccine
–due to vaccine, measles/rubeola is rare

Question 16

Rubeola

Answer 16

aka measles

characterized by koplik spots
immunization w MMR vaccine
–due to vaccine, measles/rubeola is rare

Question 17

Mumps

Answer 17

causes painful swelling of salivary glands (usually parotid glands)

-humans are only natural host

Question 18

Rhinovirus

Answer 18

aka enterovirus

cause most common cold
-highly infective

Question 19

Rotavirus

Answer 19

cause viral gastroenteris

-#1 cause of infant deaths fr diarrhea

Question 20

Rabies Virus

transmission

Answer 20

via bite or scratch fr infected animal

-virus replicates in muscle cells then moves into neurons + reaches brain via neurons

Question 21

Rabies

treatment + prevention

Answer 21

T-human rabies immunoglobulin, vaccine injections, + cleansing infection site

P-controlling rabies in domestic animals

Question 22

cytomegalovirus

Answer 22

causes cytomegalovirus disease

• teratogenic (causes birth fects, mostly hearing loss)
• vertical transmission transplacentally or by direct contact of bodily fluids

Question 23

ebolavirus or marburgvirus

Answer 23

causes african viral hemorrhagic fever [ebola]

• filamentous shaped virus
• transmitted by contact w bodily fluids of infected individuals
• endemic to Africa

Question 24

Influenza

Type A vs B

Answer 24

type A affects humans + animals

tybe B affects only humans