Welcome to the 2nd EVMS (not official) quiz. Remember if you are an EVMS resident to email your answers to the quiz master. Non residents can DM your answers to @robsradiology on Twitter.
1. Most correct statement regarding Acute Mesenteric Ischemia
A. The mortality rate on average is 23.2%
B. Typical patient is male aged 72 and complains of preprandial pain
C. Typical patient is female over 60 with postprandial pain
D. Chronic mesenteric ischemia and mesenteric arterial thrombosis are easily distinguished from each other
2. Severity of injury in acute mesenteric ischemia depends on
A. Extent of reduction in blood flow
B. Number of vessels involved
C. Duration of ischemia and development of collaterals
D. All of the above.
3. Filling defect in the SMA with mild enlargement, this is most consistent with
A. Mesenteric arterial embolism
B. Mesenteric arterial thrombosis
C. Mesenteric Venous Thrombosis
D. Nonocclusive Mesenteric Ischemia (NOMI)
4. Paper thin wall
A. Associated with excellent outcomes.
B. Specific finding for NOMI
C. A finding associated with irreversible ischemia
D. All of the above.
5. Shearing injuries are:
A. Commonly found in ascending colon, mid jejunum, and 3rd portion of the duodenum injuries
B. Commonly found at places such as injury at the ileocecal valve
C. Both of the above
D. None of the above.
6. Pneumoperitoneum
A. Always associated with blunt bowel injury
B. Most commonly seen in the setting of 2nd portion duodenal perforation.
C. Can be seen in the setting of chest tube placement.
D. Can be seen in the setting of extraperitoneal Bladder rupture
7. Free fluid
A. Can be a normal finding in 5% of men.
B. The fluid when normal is found in Morrison's pouch
C. Even hyperattenuating free fluid should be considered physiologic in premenopausal woman
D. Free intraperitoneal fluid is the most sensitive sign of bowel injury, especially when hyperattenuating fluid is present.
8. A 2 cm long segment of bowel wall thickening are found in the jejunum
A. 90% specificity and 55-75% sensitivity for acute bowel injury
B. Finding associated with need for revascularization
C. Likely related to shock bowel.
D. In association with hyperattenuation on noncontrasted images, this is a good sign for reperfusion
9. Ovarian Torsion would more likely be diagnosed in a:
A. 15 yo Male
B. 73 yo female radiologist
C. 3 yo girl
D. 25 yo female astrophysicist
10. Which statement is true regarding ovarian torsion
A. The ovary is often small especially less than 3 cm
B. Endometriosis increases the likelihood of ovarian torsion
C. 1st trimester pregnancy is a risk factor for ovarian torsion
D. String of Pearls sign increases the sensitivity of ultrasound
11. In regards to gallbladder torsion, which statement is true
A. Ectopic location of the GB with anterior and inferior displacement can be seen
B. Majority of the patients are larger BMI, forty, and fertile
C. Cholelithiasis is strongly associated with this disease
D. Porcelain gallbladder is commonly seen
12. Which statement is false regarding renal transplant torsion
A. Short renal transplant ureteral length increases the risk of torsion
B. Lack of postoperative adhesions because of steroid therapy increases the risk of torsion
C. Ascites increases the risk for torsion
D. Doppler finding includes increased peak systolic velocities or reversal of diastolic flow
Bonus
"The dreams in which I'm dying are the best I've ever had"
A. Let it be - The Beatles
B. Ana Ng - They Might be Giants
C. Please, Please, Please, Let Me Get What I Want - The Smiths
D. Mad World - Tears for Fears
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