Journal of the American Academy of Physician Assistants:
doi: 10.1097/01.JAA.0000433913.46993.f1


Free Access

All posttests must be completed and submitted online.

AAPA members should complete and submit posttests on the AAPA Web site by going to and searching for keyword JAAPA post-tests. All others may complete and submit posttests online at no charge at To obtain 1 hour of AAPA Category 1 CME credit, PAs must receive a score of 70% or better on each test taken.


1. What causes Chagas disease?

a. bacteria

b. parasites

c. prions

d. viruses

2. According to the CDC, which population should not be screened for Chagas disease?

a. symptomatic patients with recent emigration from or travel to Latin America

b. everyone who emigrates from Latin America

c. newborns with known Chagas-infected mothers

d. immediate family members of newborns recently diagnosed with Chagas disease

3. Which physical exam finding is pathognomonic of an acute Chagas infection?

a. chagoma

b. lymphadenopathy

c. myocarditis

d. Romana sign

4. Which of the following is a potential complication of chronic Chagas disease?

a. cardiomyopathy

b. megacolon

c. malnutrition

d. all of the above

5. Which statement is false about the acute phase of Chagas disease?

a. It lasts 4 to 8 weeks.

b. Patients often are asymptomatic.

c. Lymphadenopathy may be observed.

d. ECG changes are commonly seen.

6. When did the United States begin screening the blood supply for Chagas disease contamination?

a. 1997

b. 2000

c. 2007


7. What is the most common cause of ARDS?

a. aspiration of gastric contents

b. community-acquired pneumonia

c. massive transfusion of blood products

d. sepsis

8. How soon after the causative event do the clinical features of ARDS appear?

a. less than 2 hours

b. 2 to 6 hours

c. 6 to 72 hours

d. more than 3 days

9. Which finding is a clinical hallmark of ARDS on chest radiograph?

a. bilateral opacities

b. blunting of the costophrenic angles

c. coin lesions

d. hilar lymphadenopathy

10. Which of the following is not a recommended diagnostic test for ARDS?

a. arterial blood gas analysis

b. chest radiograph

c. echocardiogram

d. pulmonary artery occlusion pressure

11. Which intervention is the cornerstone of ARDS treatment?

a. corticosteroids

b. IV rehydration

c. mechanical ventilation

d. recruitment maneuvers

12. What is the benefit of the prone position in treating ARDS?

a. secretion control

b. decreased lung injury

c. improved oxygenation

d. increased patient comfort

© 2013 American Academy of Physician Assistants.


Article Tools