ENVELOPED DNA VIRUSES Flashcards

1
Q

Herpes Simplex Virus (HSV)

A

HSV 1: saliva or direct contact with lesions
HSV 2: sexual contact or transvaginal

HSV-1, HSV-2

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2
Q

Varicella Zoster Virus (VZV)

A

direct contact w/ vesicular lesions, respiratory droplets, airborne spread of fluid or secretions of respiratory system

varicella/chicken pox,
herpes zoster/shingles

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3
Q

Cytomegalovirus (CMV)

A

human body fluids, transplacental, organ transplantation

congenital CMV infection

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4
Q

Epstein-Barr Virus (EBV)

A

contact w/ saliva

infects lymphoid cells (B-lymphocytes), tonsils, spleen, lymph nodes

infectious mononucleosis,
burkitt’s lymphoma,
B-cell lymphomas,
nasopharyngeal carcinoma

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5
Q

Hepatitis B Virus

A

blood transfusion,
needlestick injury,
sexual contact,
transplacental

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6
Q

HSV-1

A

Herpes labialis (lips, outer mouth area)

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7
Q

HSV-2

A

Genital herpes; Neonatal herpes (TORCH)

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8
Q

varicella/chicken pox

A

Vesicular rash (‘dewdrop on a rose petal appearance’),
begins on trunk spreads to face/extremities (centrifugal),
lesions of different stages,
latent in dorsal root ganglia

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9
Q

herpes zoster/shingles

A

reactivation of the varicella virus,
inflammation of sensory ganglia,
fluid-filled blisters, pain, and paresthesia

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10
Q

congenital CMV infection

A

most common intrauterine viral infection, first trimester

microcephaly, seizures, deafness, jaundice, and purpura

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11
Q

infectious mononucleosis

A

‘kissing disease’

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12
Q

infectious mononucleosis

A

‘kissing disease’

malignancies

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13
Q

hepatitis B infection

A

can lead to cirrhosis and hepatocellular carcinoma

jaundice, dark urine, pale feces, and elevate transaminase levels (liver disease)

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