14 BRONCHOALVEOLAR LAVAGE

Question 1

All of the following could be diagnosed by collecting and analyzing a BAL except:
A. Asbestos-related pulmonary disease (dust particles)
B. Interstitial lung disease
C. Alveolar hemorrhage
D. Meningitis

Answer 1

D. Meningitis

Question 2

What procedure is used for bronchoalveolar lavage?
A. Bronchoscopy
B. Arthrocentesis
C. Colonoscopy
D. Thoracentesis

Answer 2

A. Bronchoscopy

Question 3

In bronchoalveolar lavage, the targeted area of the lung is:
A. Flushed with antibiotics
B. Rinsed with sterile saline
C. Rinsed with water
D. Flushed with a fluorometric stain

Answer 3

B. Rinsed with sterile saline

Question 4

A BAL fluid that appears orange-red is an indication of which of the following:
A. Acute diffuse alveolar hemorrhage
B. Alveolar proteinosis
C. Patient who is a heavy smoker
D. Older hemorrhage syndrome

Answer 4

D. Older hemorrhage syndrome

Question 5

Cell counts from a BAL fluid must be performed within:
A. 1 hour
B. 3 hours
C. 24 hours
D. 36 hours

Answer 5

A. 1 hour

Question 6

An elevated CD4/CD8 lymphocyte ratio indicates:
A. Sarcoidosis
B. Tuberculosis
C. HIV infection
D. Silicosis

Answer 6

A. Sarcoidosis

Question 7

Immunological study of cells is typically performed by:
A. Cytocentrifugation
B. Flow cytometry
C. Differential count
D. Hemocytometer cell count

Answer 7

B. Flow cytometry

Question 8

The cell in a BAL fluid seen most frequently is:
A. Eosinophil
B. Neutrophil
C. Lymphocyte
D. Macrophage

Answer 8

D. Macrophage

Question 9

What is an opportunistic pathogen in patients with AIDS that can be recovered in BAL fluid?
A. Toxoplasma gondii
B. Legionella pneumophila
C. Cryptococcus neoformans
D. Mycobacterium tuberculosis

Answer 9

C. Cryptococcus neoformans

Question 10

The stain used in cytology for the diagnosis of lipid-laden alveolar macrophages is:
A. Periodic acid stain
B. Oil Red O stain
C. Sudan III stain
D. Iron stain

Answer 10

C. Sudan III stain