Based on autopsy studies, which of the following is the most common direct cause of death in surgical patients?
Anonymous Quiz
18%
Infection
31%
Hemorrhage
37%
Venous thromboembolism
15%
Cardiac arrest
👍3❤1
Which of the following is considered the most important risk factor for venous thromboembolism (VTE)?
Anonymous Quiz
19%
Obesity
21%
Varicose veins
44%
Hospital admission for medical or surgical treatment
15%
Pregnancy
❤2👍2
The factor V Leiden mutation is associated with an increased risk of venous thromboembolism due to its effect on which of the following?
Anonymous Quiz
30%
Antithrombin activity
22%
Protein S levels
40%
Activated protein C
9%
Fibrinolysis
❤4
The epithelial lining of the digestive tract is derived from:
Anonymous Quiz
31%
Mesoderm
52%
Endoderm
14%
Ectoderm
3%
Neural crest
👍4
In which of the following ways is Zollinger-Ellison Syndrome (ZES) most commonly associated with Multiple Endocrine Neoplasia type 1 (MEN 1) syndrome?
Anonymous Quiz
6%
ZES is the primary diagnostic criterion for MEN 1.
21%
Approximately 50-75% of patients with ZES will eventually develop MEN 1.
51%
A significant percentage (up to 20-25%) of patients with ZES have underlying MEN 1 syndrome.
22%
MEN 1 syndrome always presents with severe, refractory peptic ulcers characteristic of ZES.
which of the following statements best describes the typical location of gastrinomas in sporadic cases?
Anonymous Quiz
32%
They are predominantly found within the gastrinoma triangle and are usually large (>5 cm).
42%
They are mostly located in the duodenum (60-80%), often small (<5 mm), and can be multiple.
16%
They are commonly found in pancreas and have a more favorable prognosis than duodenal tumors.
10%
They occur with equal frequency in duodenum and the gastrinoma triangle, as single large lesions.
❤2👍2🥰1
A non-contrast CT scan reveals a 1.2 cm kidney stone with a density of 1400 Hounsfield Units (HU). What is the most likely implication for SWL (shock wave lithotripsy) treatment?
Anonymous Quiz
36%
SWL has a high probability of failure.
35%
SWL is highly likely to be successful.
16%
The stone is likely a uric acid stone.
13%
The stone's density is irrelevant to SWL success.
❤1
What is the single most common underlying malignancy associated with Paget's disease of the nipple?
Anonymous Quiz
13%
Malignant Melanoma of the Nipple
17%
Invasive Lobular Carcinoma (ILC)
42%
Invasive Ductal Carcinoma (IDC)
28%
Ductal Carcinoma In Situ (DCIS)
❤5
A 58-year-old woman presents with a unilateral, scaling rash on her left nipple that has not improved after 6 weeks of topical corticosteroid treatment. What is the most critical next step?
Anonymous Quiz
57%
Perform a full-thickness punch biopsy of the nipple lesion.
31%
Order a bilateral mammogram immediately.
5%
Prescribe a stronger topical antifungal cream.
6%
Advise the patient to stop all irritants and return in 3 months.
❤3
What is the primary chemical composition of "infection stones" (Struvite) associated with Staghorn calculi?
Anonymous Quiz
56%
Magnesium Ammonium Phosphate
11%
Uric Acid
25%
Calcium Oxalate Monohydrate
7%
Cystine
❤2
Which radiological sign is pathognomonic for Xanthogranulomatous Pyelonephritis (XGP), a severe complication of Staghorn calculi?
Anonymous Quiz
20%
Cobra Head Sign
16%
Mickey Mouse Sign
42%
Bear Paw Sign
22%
Drooping Lily Sign
Which bacterial species is most classically associated with the formation of Staghorn calculi?
Anonymous Quiz
66%
Proteus mirabilis
10%
Enterococcus faecalis
20%
Escherichia coli
4%
Streptococcus pneumoniae
According to AUA/EAU guidelines, what is the standard of care for a patient with a Staghorn calculus?
Anonymous Quiz
5%
Dietary modification
11%
Long-term antibiotic suppression alone
78%
Complete surgical removal
6%
Observation (Conservative management)