Lecture 6

Question 1

What are the two types of mycobacterium

Answer 1

Mycobacterium tuberculosis
Mycobacterium leprae

Question 2

What kind of bacteria is resistant to gram stain and disinfectants

Answer 2

Mycobacteria

Question 3

Why is mycobacteria unable to undergo gram stain

Answer 3

Because of it’s waxy coat

Question 4

Why is mycobacteria resistant to disinfectants

Answer 4

Because of its waxy coat

Question 5

What staining technique must be used on mycobacteria

Answer 5

Ziehl-Neelsen

Question 6

What bacteria requires the Ziehl-Neelson staining technique

Answer 6

Mycobacteria

Question 7

How long does it take to see colonies on a plate with mycobacterium tuberculosis

Answer 7

4-6 weeks

Question 8

What oxygen requirements does mycobacterium tuberculosis have

Answer 8

Obligate aerobe

Question 9

mycobacterium tuberculosis is a _______ ________ parasite

Answer 9

Facultative intracellular

Question 10

What should you use for the first line of diagnosis for mycobacterium tuberculosis

Answer 10

Microscopy of sputum spmears

Question 11

Where is tuberculin solution injected to chekc for immunity for TB

Answer 11

Intradermally

Question 12

What is the name of the tuberculosis test

Answer 12

Mantoux test

Question 13

What bacteria causes leprosy

Answer 13

Mycobacterium leprae

Question 14

What are the two forms of leprosy

Answer 14

Tuberculoid leprosy
Lepromatous leprosy

Question 15

Name the disease:
Visible nerve enlargement
Few bacilli in infected tissue
Low infectivity

Answer 15

Tuberculoid leprosy

Question 16

Name the disease:
Lots of erythromatous nodules
Lots of bacilli in infected tissue
High infectivity

Answer 16

lepromatous leprosy

Question 17

What are the two forms of spirochetes

Answer 17

Treponema pallidum
Borrelia Burgdorferi

Question 18

What does treponema pallidum cause

Answer 18

Syphillus

Question 19

What does borrelia burgdorferi cause

Answer 19

Lyme disease

Question 20

What insects carry borrelia burgdorferi

Answer 20

Ticks

Question 21

What form of microscopy should be used to see treponema pallidum

Answer 21

Dark field microscopy

Question 22

Is treponema pallidum gram positive or negative

Answer 22

Negative

Question 23

What are the four stages of syphillus

Answer 23

Primary
Secondary
Latent
Late

Question 24

How long after infection does a chancre appear with syphillus

Answer 24

3-4 weeks

Question 25

What stage of syphilis includes a chancre

Answer 25

Primary

Question 26

What stage of syphilis has a rash appear

Answer 26

Secondary

Question 27

How long after the appearance of a chancre with syphilis does a rash appear

Answer 27

6 weeks

Question 28

What may occur in the latent stage of syphilis

Answer 28

Congenital infection

Question 29

In what stage of syphilis would you see obliterative endarteritis

Answer 29

Late stage

Question 30

What do you use for diagnosis of Lyme disease

Answer 30

Serology tests

Question 31

You wont see a positive serology result for how long after Lyme disease infection

Answer 31

first 2-4 weeks

Question 32

Is there a vaccine for Lyme disease

Answer 32

Yup :)

Question 33

Why can chlamydiae not be grown on artificial media

Answer 33

It cannot make its own ATP or energy

Question 34

What bacteria has two forms in its life cycle

Answer 34

Chlamydiae

Question 35

What are the two forms of chlamydiae

Answer 35

Elementary body Reticulate body

Question 36

What form of chlamydiae is the infectious form

Answer 36

Elementary body

Question 37

What form of chlamydiae is the one responsible for replication and growth

Answer 37

Reticulate body

Question 38

Elementary body and reticulate body represents what bacteria

Answer 38

Chlamydiae

Question 39

What is the most common std in canada and the US

Answer 39

Chlamydiae

Question 40

What is the STD type of chlamydiae

Answer 40

Chlamydia trachomatis

Question 41

What can chlamydiae cause in the two genders

Answer 41

Male: urethritis Female: cervicitis

Question 42

Many patients of what STD are asymptomatic and untreated

Answer 42

Chlamydia trachomatis

Question 43

What is the leading cause of blindness in certain countries overseas

Answer 43

Chronic ocular infection due to chlamydia

Question 44

What can cause conjunctivitis in newborns

Answer 44

Chlamydia trachomatis

Question 45

What form of chlamydia is a bird pathogen

Answer 45

Chlamydia psittaci

Question 46

What is the smallest free-living bacterium

Answer 46

Mycoplasmas

Question 47

What kind of bacteria lack a true cell wall

Answer 47

Mycoplasma

Question 48

What type of bacteria is a part of your normal flora of genital tract and orophayrnx

Answer 48

Mycoplasma

Question 49

What are the two types of mycoplasma

Answer 49

Genital mycoplasma Mycoplasma pneumoniae

Question 50

What kind of mycoplasma is more common in younger indivials

Answer 50

Mycoplasma pneumoniae

Question 51

What is the primary cause of atypical pneumonia

Answer 51

Mycoplasma pneumoniae

Question 52

Rate of colonisation of what bacteria increases with number of sexual partners

Answer 52

Genital mycoplasma

Question 53

What are the four levels of fungal infections

Answer 53

Superficial Cutaneous Subcutaneous Systemic

Question 54

What is the mycotoxin produced with aspergillus flavus

Answer 54

Aflatoxin

Question 55

What is aspergillus flavus

Answer 55

Funal shit