Mod 3

Question 1

Which RNA viruses are transmitted person-to-person by contact w/respiratory secretions?

Answer 1

Measles
Mumps
Rubella

Question 2

Which virus is a single stranded enveloped RNA virus that is a part of the Genus Rubulavirus, member of Paramyxovirus family?

Answer 2

Mumps virus

Question 3

Which virus is an RNA virus, genus morbillivirus, member of Paramyxovirus?

Answer 3

Measles virus

Question 4

These symptoms, high fever, cough, rhinitis, red eyes, occur 10-12 days after exposure & last 7-10 days, a macropapular rash appear 3-5 days after the start of symptoms & is contagious from 4 days prior to 4 days after start of symptoms/rash?

Answer 4

Measles

Question 5

These symptoms, fever, muscle pain, headache, fatigue, usually fallowed by swelling of parotid glands (confused with swelling of lymph nodes). Occur 16-18 days after exposure, & resolves after 4-10 days, contagious from a few days prior to 4 days after symptoms?

Answer 5

Mumps

Question 6

These symptoms, mild fever, rash (face, then body), sore throat, fatigue, & swollen lymph nodes. Symptoms occur about 14 days after exposure & resolve after 2-3 days. Contagious from about 7 days prior to start of symptoms to end of rash?

Answer 6

Rubella

Question 7

What are complications associated w/ the measles virus?

Answer 7

secondary complications (30%) diarrhea, blindness, inflammation of brain, pneumonia

Question 8

What are complications associated w/ the mumps virus?

Answer 8

meningitis, pancreatitis, permanent deafness, testicular/ovarian swelling. symptoms in adults more severe than in children

Question 9

What are complications associated w/ the Rubella virus?

Answer 9

bleeding problems, inflammation of nerves, & congential rubella syndrome (CRS) (if infection occurs during early pregnancy)

Question 10

this causes the German measles or 3-day measles?

Answer 10

Rubella

Question 11

This causes Roseola (fever/rash), neuroinflamatory disease such as MS, encephalitis, pneumonitis

Answer 11

Human Herpes virus -6 & HHV-7

Question 12

how does the HHV-6 & HHV-7 gain entry into the nervous system?

Answer 12

via olfactory tissue

Question 13

what glands serve as a reservoir for the HHV-6 & HHV-7

Answer 13

Salivary glands

Question 14

This is a very small non-enveloped DNA virus that causes Erythema infectiosum, chronic anemia in AIDS patients, Arthritis (lasting 1-3 weeks up to several months), miscarriage due to severe fetal anemia?

Answer 14

Parvovirus B19

Question 15

This causes mucous membrane lesions or “water warts” on the skin; most commonly on trunk, arms, groin, legs?

Answer 15

Molluscum Contagiosum Virus (MCV)

Question 16

How is MCV transmitted? what type is most prevalent & which affects adults?

Answer 16

by touching the affected skin;
MCV-1 most prevalent & affects children 1-11 y/o
MCV-2 affects mostly adults

Question 17

What is the etiologic agent - Variola major (member of Orthopox family) - DNA Virus/

Answer 17

Smallpox

Question 18

How does the Smallpox virus progress?

Answer 18

synchronous progression: rash - macules to vesicles to pustules to scabs;

begins on face, hands, forearms, & spreads to lower extremities in 7-16 days

lesions on palms of hands & soles of feet & in mouth