Lec 5-4 - Respiratory Pathogens

Question 1

lower respiratory tract used to be considered blank but isnt anymore

Answer 1

sterile

Question 2

most common cause of otitis media

Answer 2

nontypeable haemophilus influenzae then strep pneumoniae then moraxella catarrhalis

Question 3

old questions for this section

Answer 3

ok

Question 4

population most affected by otitis media

Answer 4

kids and immunocompromised

Question 5

haemophilus influenze is a blank coccobacillus or pleomorphic rods

Answer 5

gram negative anaerobic

Question 6

h influenzae lives in the blank resp tract

Answer 6

upper

Question 7

h influenzei is blank hemolytic

Answer 7

not

Question 8

h influenze is motile or not

Answer 8

not

Question 9

h influenzae requires these factors for in vitro growth

Answer 9

x (hemin), v (nad)

Question 10

Hib only occurs in humans and is the main cause of blank and is the main disease causing strain

Answer 10

meningitis

Question 11

nontypeable H influenzae is blank which is very important

Answer 11

unencapsulated

Question 12

nontypeable H influenzae can be in the lower respiratory tract of people with blank

Answer 12

copd

Question 13

nontypeable cant get into the blood because it doesnt have a capsule but blank can

Answer 13

hib

Question 14

nthi has a blank which causes a severe inflammatory response

Answer 14

LPS lipid A

Question 15

chronic otitis media is associated with blank

Answer 15

biofilms

Question 16

there is a vaccine for blank but not for blank

Answer 16

hib, nthi

Question 17

causes pertussis (whooping cough)

Answer 17

bordetella

Question 18

bordetella is gram blank coccobacilli and is strictly blank

Answer 18

negative, aerobic

Question 19

bordetella cannot survive here and is blank growing

Answer 19

outside body, slow

Question 20

two stages of pertussis

Answer 20

paroxysmal, convalescent

Question 21

stage characterizied by crazy bouts of coughing with an inspiratory whoop and can lead to seizures

Answer 21

paroxysmal

Question 22

convalescent stage is characterized by

Answer 22

declining number of lymphocytes

Question 23

first two weeks after cough onset, best diagnostic test

Answer 23

culture/pcr

Question 24

after four weeks, best test is blank

Answer 24

serology

Question 25

• Know the difference between Type b and Non Typeable
• How to treat/prevent the Non typeable and disease of those two organisms
• Bordetella
o Focus on stages
o Characteristics
o Clinical symptoms
o Virulence factors
o How to treat and prevent
• There will be no questions on Moraxella

Answer 25

ok