Exam 2 - ch 12 Flashcards
(46 cards)
H5N1
Bird flu
Pandemic flus are type (A/B/orC)
type A
-humans, pigs, horses, birds
H1N1
Swine flu
Hospital acquired pneumonia is MC bacterial or viral
Bacterial
- Staph. aureus , E Coli
- 48 hours after hospitalization
Lung abscess is localized suppurative necrosis more commonly found on the (Rt/Lt) side
Right side
Lung abscess is what type of necrosis
Suppurative (pus)
Lung abscess may undergo hematogenous spread leading to (Rt/Lt) sided endocarditis
Right sided endocarditis
-septic embolism
MC cause of infectious death
TB
T/F Large % of people infected with TB will develop the disease
False, only 3-15%
Hallmark sign of TB = small _____ granulomas
small caseous granulomas
TB is a type ___ hypersensitivity
4 (delayed)
-cell mediated
10% of US test positive for the tuberculin (mantoux) test while ____% of Asian/Africans test positive
80-90%
Ghon focus is associated with (primary/secondary) TB
Primary
-ghon focus is sub pleural
Systemic Miliary TB is most common in what type of patients
immunosuppressed - HIV
MC form of extra pulmonary TB
Lymphadenitis
-Cervical nodes
T/F Secondary TB can be asymptomatic if isolated to the lungs or it may be insidious with a low grade afternoon fever, Night Sweats, pleuritis
True
Back pain, night sweats, parasthesia, or LE weakness may be symptoms of :
secondary TB/ Potts disease (TB in spine)
Cellular gigantism - “owls eye” is characteristic of :
cytomegalovirus HHV-5
Cup shaped cysts and silver stain is characteristic of :
pneumocystis pneumonia
- pneumocystis jiroveci
- immunosuppressed AIDs
pseudohyphae are associated with
Candidiasis
- candida albicans
- thrush MC
- opportunistic FUNGAL infection
Lung tumors are MC malignant or benign
Benign
- coin lesion
- hamartoma= mature cartilage and vessels
T/F Primary lung cancer is common and lethal
True
-Bronchial epithelium 95%
T/F Pulmonary carcinomas are the MC cause of cancer related deaths
True
MC histological subtype of pulmonary carcinomas
adenocarcinoma