Objective 1: Classify common human pathogens within appropriate category

Question 1

Viruses (Forest Gump)

Answer 1

size: 20-30 nm

site of propagation: obligate INTRAcellular

sample species and its dz: poliovirus + poliomyelitis

Question 2

Chlamydiae (Track+Pathoma)

Answer 2

size: 200-100 nm

site of propagation: obligate INTRAcellular

sample species and its dz: chlamydia trachomatis + trachoma

Question 3

Rickettsiae

Answer 3

size: 300-1200 nm

site of propagation: obligate INTRAcellular

sample species and its dz: rickettsia prowazekii + typhus fever

Question 4

Mycoplasmas (Rainjacket)

Answer 4

size: 125-350

site of propagation: EXTRAcellular

sample species and its dz: mycoplasma pnuemoniae + atypical pneumonia

Question 5

Bacteria, spirochetes, mycobacteria

Answer 5

size: 0.8-15 microM

site of propagation: sample species and its dz:

1. cutaneous 1. Staphylococcus epidermidis + wound infection
2. mucosal 2. Vibrio cholerae + Cholera
3. EXTRAcellular 3. Streptococcus pneumoniae + Pneumonia
4. Facultative INTRAcellular 4. Mycobacterium tuberulosis + TB

Question 6

Fungi Imperfecti

Answer 6

size: 2-200 microM

site of propagation: sample species and its dz:

1. cutaneous 1. Trichophyton sp. + Tinea pedis
2. mucosal 2. Candida albicans + Thrush
3. EXTRAcellular 3. Sporothrix schenckii + Sporotrichosis
4. Facultative INTRAcellular 4. Histoplasma capsulatum + Histoplasmosis

Question 7

Protozoa

Answer 7

size: 1-50 microM

site of propagation: sample species and its dz:

1. Obligate INTRAcellular 1. Leishmania donovani + Kala-azar
2. mucosal **2. Giardia lamblia + Giardiasis
3. EXTRAcellular 3. Trypanosoma gambiense + Sleeping sickness
4. Facultative INTRAcellular 4. Trypanosoma cruzi + Chagas dz

Question 8

Helminths

Answer 8

size: 3mm-10m

site of propagation: sample species and its dz:

1. mucosal 1. Enterobius vermicularis + Oxyuriasis
2. INTRAcellular 2. Trichinella spiralis + Trichinosis
3. EXTRAcellular 3. Wuchereria bancrofti