Ch33: Alterations of Pulmonary Fn Flashcards
0
Q
- In ARDS, increased alveolocapillary membrane permeability mainly d/t
a. alveolar epithelial damage
b. decreased surfactant
c. vasoconstriction
d. ventilation to perfusion mismatching
e. inflammatory mediators released
A
e. inflammatory mediators released
1
Q
- High altitude may produce hypoxemia by:
a. right-to-left shunts
b. atelectasis
c. decreased O2 inspiration
d. emphysema
A
c. decreased O2 inspiration
2
Q
- Type II pneumocyte damage causes
a. increased alveolocapillary permeability
b. chemotaxis for neutrophils
c. exudation of fluid from capillaries into interstitium
d. decreased surfactant production
e. All of the above
A
e. All of the above
3
Q
- Pulmonary edema may be caused by
a. hypoventilation
b. CNS abnormalities
c. atelectasis
d. rupture of pleura
e. increased pulmonary hydrostatic pressure
A
e. increased pulmonary hydrostatic pressure
4
Q
- In asthma
a. bronchial muscles contract
b. bronchial muscles relax
c. mucous secretions decrease
d. imbalance w/in CNS develop
A
a. bronchial muscles contract
5
Q
- In emphysema
a. there is increased area for gaseous exchange
b. there are prolonged inspirations
c. the bronchioles are primarily involved
d. there is increased diaphragm movement
e. alveoli are less able to recoil & expel air
A
e. alveoli are less able to recoil & expel air
6
Q
- In pneumococcal PNA, the stage of gray hepatization is characterized by:
a. solidification of tissue
b. fibrin deposition
c. alveoli filling w/ blood cells & pneumococci
d. macrophages appearing in alveolar spaces
A
b. fibrin deposition
7
Q
- Pulmonary HTN
a. shows an enlarged pulmonary artery
b. involves DVT
c. show right ventricular hypertrophy
d. both a & c are correct
e. a, b, & c are correct
A
d. both a & c are correct
8
Q
- Cor pulmonale
a. occurs in response to long-standing pulmonary HTN
b. is RHF
c. is manifested by altered tricuspid & pulmonic valve sounds
d. both b & c correct
e. a, b & c are correct
A
e. a, b & c are correct
9
Q
- A lung cancer characterized by many anaplastic figures & production of hormones is MOST likely
a. squamous cell carcinoma
b. small cell carcinoma
c. large cell carcinoma
d. adenocarcinoma
e. bronchial adenoma
A
b. small cell carcinoma
10
Q
- The metastasis of lung squamous cell carcinoma is
a. late
b. very early & widespread
c. early
d. never seen
A
a. late
11
Q
- Which is TRUE about TB
a. it is caused by an aerobic bacillus
b. it may effect other organs
c. it involves a type III hypersensitivity
d. antibodies to it may be detected w/ a skin test
A
a. it is caused by an aerobic bacillus
and
b. it may effect other organs
12
Q
- PE usually do which of the following
a. obstruct blood supply to lung parenchyma
b. have origins from thrombi in legs
c. occlude pulmonary vein branches
d. occlude pulmonary artery branches
A
a. obstruct blood supply to lung parenchyma and b. have origins from thrombi in legs and d. occlude pulmonary artery branches
13
Q
- Chronic bronchitis
a. is caused by a lack of surfactant
b. impairs cilia
c. exhibits a nonproductive cough
d. causes collapsed alveoli
A
b. impairs cilia
14
Q
- Emphysema is precipitated by
a. histamine
b. TNF
c. leukotrienes
d. alpha-1 antitrypsin deficiency
A
d. alpha-1 antitrypsin deficiency
