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Hydatid cysts represent infestation by which of the following infectious organisms?


A) Echinococcus granulosis
B) Blastomyces dermatiditis
C) Schistosoma hematobium
D) Mycobacterium tuberculosis

E) A) and D)
F) B) and D)

Correct Answer

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A

Which of the following is the most common cause of acute abdominal pain?


A) Abdominal aortic aneurysm
B) Cholecystitis
C) Nephrolithiasis
D) Appendicitis

E) None of the above
F) C) and D)

Correct Answer

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Dilated loops of small bowel with fluid levels, in combination with decreased air in the colon, are radiographic indicators of __________.


A) hemorrhage
B) ruptured viscus
C) peritonitis
D) mechanical bowel obstruction

E) C) and D)
F) B) and D)

Correct Answer

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Which of the following imaging modalities is the best screening procedure for abdominal aorta?


A) Ultrasound
B) MRI
C) Plain film
D) IVU

E) A) and D)
F) None of the above

Correct Answer

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Localization of acute gastrointestinal bleeding is best accomplished with __________.


A) computed tomography
B) ultrasonography
C) laparoscopy
D) nuclear medicine

E) C) and D)
F) B) and C)

Correct Answer

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Screening for abdominal aortic aneurysm with ultrasonography may be useful in white men, with a history of smoking or a first-degree relative with abdominal aortic aneurysm, especially when the patient exceeds __________ years of age.


A) 40
B) 50
C) 60
D) 70

E) B) and C)
F) A) and D)

Correct Answer

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C

For which of the following reasons is aspiration contraindicated as a treatment method for hydatid cysts?


A) Potential anaphylactic response
B) Mass effect
C) Leakage
D) Rupture

E) C) and D)
F) B) and D)

Correct Answer

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A

What percentage of abdominal aortic aneurysms demonstrate characteristic cyst-like atherosclerotic calcifications on plain film radiography?


A) 10%
B) 25%
C) 50%
D) 75%

E) None of the above
F) All of the above

Correct Answer

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How many times more likely is a person to develop an abdominal aortic aneurysm if they have a first-degree relative with this condition?


A) 3
B) 5
C) 8
D) 12

E) C) and D)
F) A) and D)

Correct Answer

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In a patient with gastrointestinal perforation, plain film radiography may demonstrate __________.


A) extraluminal fluid
B) abscess
C) intraperitoneal gas
D) location of perforation

E) A) and B)
F) B) and C)

Correct Answer

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Thickening of mucosal folds associated with bowel infarction is known as __________.


A) valvulae conniventes
B) haustra
C) "thumbprinting"
D) "stack of coins" sign

E) B) and C)
F) All of the above

Correct Answer

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Aneurysm of the abdominal aorta should be suspected if the diameter of the vessel exceeds _____ cm.


A) 1
B) 5
C) 3.5
D) 7

E) C) and D)
F) A) and B)

Correct Answer

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Which of the following diagnostic imaging examinations is best able to exclude the diagnosis of acute appendicitis?


A) Ultrasound
B) Conventional radiographs
C) Computed tomography
D) Nuclear medicine

E) A) and B)
F) A) and C)

Correct Answer

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What is the largest group of retroperitoneal masses identified on abdominal plain film radiographs?


A) Abdominal aortic aneurysms
B) Renal lesions
C) Adrenal enlargement
D) Ascending colon distension

E) A) and B)
F) B) and C)

Correct Answer

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Echinococcus granulosis causes two thirds of which of the following types of cysts?


A) Pancreatic
B) Renal
C) Splenic
D) Adrenal

E) All of the above
F) A) and B)

Correct Answer

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Surgical correction for abdominal aortic aneurysm is generally recommended for asymptomatic AAAs measuring greater than _________ cm.


A) 4
B) 5
C) 6
D) 7

E) A) and B)
F) B) and D)

Correct Answer

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Which of the following diagnostic imaging modalities is most appropriate for further evaluation of a woman presenting with an acute abdomen?


A) Decubitus abdominal radiography
B) Diagnostic ultrasonography
C) Magnetic resonance imaging of the abdomen
D) Angiography

E) B) and D)
F) B) and C)

Correct Answer

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Physical examination a patient with acute abdomen reveals decreased bowel sounds. This is most consistent with a diagnosis of __________.


A) volvulus
B) Crohn disease
C) adynamic ileus
D) radiation enteritis

E) C) and D)
F) B) and D)

Correct Answer

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Which of the following advanced imaging modalities may significantly underestimate the width of abdominal aortic aneurysm as a result of a large thrombus within the vessel lumen?


A) Ultrasonography
B) Computed tomography
C) Angiography
D) Magnetic resonance imaging

E) A) and D)
F) B) and C)

Correct Answer

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In which of the following groups is abdominal aortic aneurysm most common?


A) African American
B) Asian
C) Hispanic
D) Caucasian

E) B) and C)
F) A) and B)

Correct Answer

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