Microbiology- Respiratory cont.

Testing myself for finals, wish me luck. why do they expect you to write so much in this box blah blah blah

published on May 260 responses 0

Tuberculosis is caused by all except

Mycobacterium tuberculosis
Mycoplasma pneumoniae
Mycobacterium Avium
M. Intracellulare complex

Which TB causative agent mainly affects AIDS patients

M. Intracellulare complex
Mycobacterium tuberculosis
Mycobacterium Avium

Mycobacterium tuberculosis is highly resistant and can survive for 8 months in fine aerosol particles. ( True or False)

BCG vaccine is used to prevent TB in the USA. (True or False)

The minimum infectious dose for lung infection in Primary tuberculosis is around

50 bacterial cells
10 bacterial cells
100 + bacterial cells

Secondary tuberculosis is

When you get TB after experiencing another respiratory disease
A reactivation TB- Live bacteria remained dormant and became reactivated after weeks, months or years
When you experience a TB infection outside of the lungs

Tuberculosis is an infection which occurs in the lungs only. (True or False)

Mycobacterium is referred to as

Gram +
Gram -
None of the above

Tuberculosis in the U.S is prevented by

receiving BCG vaccine
Hygiene practices
Avoiding airborne M.Tuberculis
Not hanging out with HIV + people

TB caused by Mycobacterium Avium is prevented by

Anitbiotics for everyone
Antibiotics for people with CD4 counts below 50 cells per mL
Antibiotics for all HIV + patients

Which TB agent affects the lungs more severely than the others

Mycobacterium tuberculosis
Mycobacterium Avium Intracellulare complex (M.Intracellulare complex)
Mycobacterium Avium

All are diagnosis/testing for TB except

Mantoux test
IGRA (interferon-gamma release assay)
Gram stain
Acid Fast-Bacilli test

The mantoux test is

a skin test that is rarely used for TB detection
a blood test used for TB detection
a tuberculin skin test which involves inj. of PPD (puridied protein derivative)
a blood test used for detection of mycoplasma pneumoniae

Community acquired pneumonia is caused by all of these BACTERIA agents except

Streptococcus pneumoniae
Pneumocystis jiroveci
Legionella species
Mycoplasma pneumoniae

Community acquired pneumonia is ONLY caused by bacteria. (True or False)

Which of these CAP (community acquired pneumonia) agents are caused by water droplets

Streptococcus pneumoniae
Mycoplasma pneumoniae
Legionella species

How is community acquired pneumonia treated

Anti-viral drugs

Which agent accounts for the most community acquired pneumonia cases

Mycoplasma pneumoniae
Streptococcus pneumoniae
Legionella species

The agent Legionella species usually affects

Healthy adults
Elderly people

Two agents causing CAP are NOT prevented with a vaccine because there is no permanent immunity for these.

Select the two correct answers
Mycoplasma pneumoniae
Streptococcus pneumoniae
Legionelle species
Streptococcus pyogenes