ALU 301 Infectious Diseases UPDATED ACTUAL Questions and CORRECT
Answers
1. What is Influen- acute respiratory viral infection
za?
2. How is influenza inhalation of virus laden droplets
transmitted?
3. What is the in- 48hours
cubation time for
influenza?
4. What are the fever, intense malaise, muscle and joint pain and headache
common symp-
toms of influen-
za?
5. Who is at high- under age 2 or over age 65
est risk for se- weakened immune system
vere influenza in- chronic disease of heart, lung, kidney and metabolic diseases
fection?
6. What are the pneumonia
most common
complications of
influenza?
7. How is influenza supportive therapy usually
treated? anti-virals can reduce sick time by 50% if administered in first 48hrs
8. What does en- the pathogen is common to a given area, it also generally means it has a higher
demic mean? mutation rate
9. What kind of
virus is Influenza
, and what 2 anti- RNA virus
gens are used to classified by hemagglutinin and neuramindase which project from the surface,
classify it? there are 16 H antigens and 9 different N antigens
10. What are the A, B and C
3 subtypes of B and C only effect humans
influenza and A is the most dangerous and passes between humans, birds, pigs, cats, horses
which causes the and seals
most severe out-
breaks?
11. How many in- 31, 3 in the 20th centruy
fluenza pan- H1N1 which in 1918 killed 50 to 100mil
demics have 1957 asian flu caused by H2N2 killed 2mil
their been in the 1968 hong kong flu caused by H3N2 that killed 1mil
last 500 years?
12. What is swine flu? 2009-2010 flu starting in US and mexico caused by H1N1 resulted in 60mil cases
in 12k deaths in US
young adults and children most at risk possibly due to prior exposure in 1957 for
older individuals
13. Which 2 avian H5N1 and H7N9
flu's are most
concerning to
WHO?
14. Define nosoco- infections acquired in hospital, approximately 2 million per year leading to
mal infections 100,000 million deaths
15. What is the most urinary tract
common type of infection of surgical wounds
, nosocomal infec- blood stream
tions? pneumonia
16. What are 2 com- MRSA and C.Diflcile
mon nosocomal
infections?
17. Define sepsis presence of two of the following
fever
tachycardia
tachypnea
elevated WBC
18. How are septic severe sepsis involves dysfunction of major organs
shock and severe severe shock is the most severe where hypotensiona dn perfusion abnormalities
sepsis more se- develop
vere?
19. What is the mor- usually survivable with treatment however in septic shock death becomes the most
tality risk of sep- likely outcome even with aggressive treatment
sis?
20. What is the role Sepsis develops when the immune system fails to contain an infection
of the immune
system in sepsis?
21. In sepsis what the number of organ systems affect
does mortality 4 or more and mortality is close to 100%
risk correlate to?
22. Define pneumo- inflammation of the lungs usually caused by infection
nia
23.
Answers
1. What is Influen- acute respiratory viral infection
za?
2. How is influenza inhalation of virus laden droplets
transmitted?
3. What is the in- 48hours
cubation time for
influenza?
4. What are the fever, intense malaise, muscle and joint pain and headache
common symp-
toms of influen-
za?
5. Who is at high- under age 2 or over age 65
est risk for se- weakened immune system
vere influenza in- chronic disease of heart, lung, kidney and metabolic diseases
fection?
6. What are the pneumonia
most common
complications of
influenza?
7. How is influenza supportive therapy usually
treated? anti-virals can reduce sick time by 50% if administered in first 48hrs
8. What does en- the pathogen is common to a given area, it also generally means it has a higher
demic mean? mutation rate
9. What kind of
virus is Influenza
, and what 2 anti- RNA virus
gens are used to classified by hemagglutinin and neuramindase which project from the surface,
classify it? there are 16 H antigens and 9 different N antigens
10. What are the A, B and C
3 subtypes of B and C only effect humans
influenza and A is the most dangerous and passes between humans, birds, pigs, cats, horses
which causes the and seals
most severe out-
breaks?
11. How many in- 31, 3 in the 20th centruy
fluenza pan- H1N1 which in 1918 killed 50 to 100mil
demics have 1957 asian flu caused by H2N2 killed 2mil
their been in the 1968 hong kong flu caused by H3N2 that killed 1mil
last 500 years?
12. What is swine flu? 2009-2010 flu starting in US and mexico caused by H1N1 resulted in 60mil cases
in 12k deaths in US
young adults and children most at risk possibly due to prior exposure in 1957 for
older individuals
13. Which 2 avian H5N1 and H7N9
flu's are most
concerning to
WHO?
14. Define nosoco- infections acquired in hospital, approximately 2 million per year leading to
mal infections 100,000 million deaths
15. What is the most urinary tract
common type of infection of surgical wounds
, nosocomal infec- blood stream
tions? pneumonia
16. What are 2 com- MRSA and C.Diflcile
mon nosocomal
infections?
17. Define sepsis presence of two of the following
fever
tachycardia
tachypnea
elevated WBC
18. How are septic severe sepsis involves dysfunction of major organs
shock and severe severe shock is the most severe where hypotensiona dn perfusion abnormalities
sepsis more se- develop
vere?
19. What is the mor- usually survivable with treatment however in septic shock death becomes the most
tality risk of sep- likely outcome even with aggressive treatment
sis?
20. What is the role Sepsis develops when the immune system fails to contain an infection
of the immune
system in sepsis?
21. In sepsis what the number of organ systems affect
does mortality 4 or more and mortality is close to 100%
risk correlate to?
22. Define pneumo- inflammation of the lungs usually caused by infection
nia
23.
