Exam 1

Question 1

Otitis externa etiologies

Answer 1

P. aeruginosa

S. aureus

Question 2

Influenza etiologies

Answer 2

Type A > Type B&raquo_space;> Type C

Question 3

Pertussis etiologies

Answer 3

Bordetella pertussis

Question 4

Atypical pneumonia etiologies

Answer 4

Mycoplasma pneumoniae
Legionella pneumophila
Chlamydiae pneumoniae

Question 5

Croup etiologies

Answer 5

PIV 1 > PIV 2&raquo_space;> RSV

Question 6

Diphtheria etiologies

Answer 6

C. Diphtheriae

Question 7

CAP etiologies

Answer 7

Strep pneumoniae
H. influenzae
K. pneumoniae
S. aureus

Question 8

ARD etiologies

Answer 8

Adenovirus or unknown virus > Rhinovirus > Coronavirus

Question 9

Otitis media/sinusitis etiologies

Answer 9

S. pneumo
H. influenzae
M. catarrhalis

Question 10

SARS/MERS etiologies

Answer 10

Novel coronavirus

Question 11

HAP etiologies

Answer 11

P. aeruginosa&raquo_space;> S. aureus, K. pneumoniae

Question 12

Infant pneumonia

Answer 12

C. trachomatis

Question 13

Alpha hemolytic

Answer 13

Strep pneumo

Question 14

Catarrhal vs. paroxysmal vs. convalescent stage

Answer 14

Bordetella pertussis

Question 15

“Palisades” or V shaped

Answer 15

C. diphtheriae

Question 16

Currant jelly sputum

Answer 16

Klebsiella pneumoniae

Question 17

Beta hemolytic

Answer 17

Staph aureus

Question 18

Quadrivalent vaccine

Answer 18

Influenza

Question 19

Aquatic and pleomorphic

Answer 19

Legionella pneumophila

Question 20

Attachment organelle which causes ciliostasis

Answer 20

Mycoplasma pneumoniae

Question 21

Non-segmented

Answer 21

PIV

Question 22

Oxidase positive

Beta lactamase producer

Answer 22

M. catarrhalis

Question 23

Coagulase positive

Answer 23

Staph aureus

Question 24

Pyocyanin vs. Pyoverdin

Answer 24

Pseudomonas aeruginosa

Question 25

Loeffler's medium + cysteine-tellurite agar

Answer 25

C. diphtheriae

Question 26

Alginate capsules = biofilms

Answer 26

Pseudomonas aeruginosa

Question 27

Sensitive to optochin | Bile sensitive

Answer 27

Strep pneumo

Question 28

Nonencapsulated virulent strains

Answer 28

H. influenzae

Question 29

Sxs due to inflammatory response

Answer 29

RSV

Question 30

Acute flaccid myelitis is a complication of _____.

Answer 30

ARD

Question 31

Likes to live in amoeba/macrophages

Answer 31

Legionella pneumophila

Question 32

Pneumolysin

Answer 32

Strep pneumo

Question 33

LOS instead of LPS

Answer 33

H. influenzae

Question 34

Pneumonia, Reyes syndrome, and Guillain Barre are complications of _____.

Answer 34

Influenza

Question 35

Bull neck | Pseudomembrane

Answer 35

C. diphtheriae

Question 36

Elek test

Answer 36

C. diphtheriae

Question 37

Has 4 exotoxins apart of their virulence

Answer 37

Bordetella pertussis

Question 38

MacConkey agar

Answer 38

Klebsiella pneumoniae

Question 39

Obligate intracellular parasite

Answer 39

Viruses | C. trachomatis and C. pneumoniae

Question 40

Generates ROS

Answer 40

Pyocyanin (P. aeruginosa)

Question 41

Elastases (Las A and B) = tissue damage

Answer 41

Pseudomonas aeruginosa

Question 42

Bordet Gengou and Regan Lowe agar

Answer 42

B. Pertussis

Question 43

Neuramidinase

Answer 43

H. influenza and influenza (neuraminidases are different for each one though)

Question 44

FAB test

Answer 44

Pseudomonas aeruginosa

Question 45

Associated with atherosclerosis

Answer 45

C. pneumoniae

Question 46

Fried egg appearance on culture

Answer 46

Mycoplasma pneumoniae

Question 47

Pontiac fever

Answer 47

Legionella pneumoniae

Question 48

No peptidoglycan

Answer 48

Mycoplasma pneumoniae

Question 49

Elementary vs. Reticulate bodies

Answer 49

Chlamydia (both)

Question 50

Natural competence (Griffith's experiment)

Answer 50

Strep pneumo

Question 51

NEVER treat with B-lactams

Answer 51

Mycoplasma pneumoniae

Question 52

Treat with penicillins

Answer 52

Strep neumo

Question 53

Tx w/ monoclonal immune globulin

Answer 53

High risk pts with RSV

Question 54

Removes ATP from host

Answer 54

Chlamydia

Question 55

Secretoy IgA

Answer 55

Strep pneumo (prevents organism from getting stuck in mucus)

Question 56

Otitis media and parotitis are complications of _____.

Answer 56

PIV

Question 57

WTA and/or LTA are a component of _____ bacteria. What is their function?

Answer 57

Gram + | Attachment

Question 58

Mycolic acid layer is a component of ____ bacteria.

Answer 58

Acid fast

Question 59

LPS is a component of _____ bacteria. Describe its 2 components.

Answer 59

Gram - Lipid A: toxic moiety O antigen: attachment

Question 60

Porin proteins

Answer 60

Gram - or acid fast cell walls

Question 61

Sexi pili are a component of some _____ bacteria

Answer 61

Gram - | not in +

Question 62

Optical density measures:

Answer 62

Absorbance of light | measures viable AND nonviable

Question 63

Colony forming unit measures

Answer 63

viable cells (only living cells will form colonies)

Question 64

Biomass measures

Answer 64

viable and nonviable cells | takes dry weight of all cells in culture

Question 65

Pathogens produce virulence factors in the _____ phase of the bacterial growth curve.

Answer 65

Log

Question 66

Describe enriched media

Answer 66

complex + growth factors

Question 67

Describe selective media

Answer 67

selects against unwanted organisms

Question 68

Describe differential media

Answer 68

differentiates between organisms

Question 69

The most pathogenic type of bacteria are

Answer 69

mesophiles

Question 70

Endotoxins exist in the:

Answer 70

LPS of gram - organisms (not toxic until released)

Question 71

Accumulation of genetic mutations

Answer 71

antigenic DRIFT

Question 72

Reassortment of viral genome

Answer 72

antigenic SHIFT