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1. In the United States, LRYGB is considered as the gold standard for modern
bariatric surgery. Which of the following has been demonstrated as a benefit of the
laparoscopic approach?
A. Laparoscopic approach produces a greater weight loss when compared to open
surgery.
B. Patients who have laparoscopic surgery have a lower incidence of late
postoperative complications.
C. Open surgery has a higher incidence of early postoperative complications.
D. Laparoscopic surgery has higher total costs when compared to open surgery.
2. LAGB has a perceived advantage that the restriction can be adjusted. Identify
the FALSE statement about outcomes of LAGB when compared to outcomes of
RYGB.
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A. There is no consensus on the superiority of RYGB over LAGB in causing longterm weight loss.
B. Maximum weight loss after both RYGB and LAGB occurs at 12 to 18 months after
the operation.
C. Sweet-eating habit is not a predictor of weight loss after either RYGB or LAGB.
D. LAGB patients exhibit increased prevalence of diabetes over the long term (>10
years) although it is decreased in the short term.
3. Male sex hormones favorably change after bariatric surgery. Which of the
following is FALSE about sex hormones and sexual quality of life in bariatric
surgery patients?
A. Sex hormone–binding globulin decreases after bariatric surgery.
B. Total testosterone has been shown to be increased after bariatric surgery.
C. Bariatric surgery has been shown to improve sexual quality of life in men.
D. Testosterone inversely correlates with the risk of having metabolic syndrome.
4. Benign intracranial hypertension [also known as pseudotumor cerebri (PTC)] is a
misnomer as it has been known to cause visual loss. Hence, it is better termed as
idiopathic intracranial hypertension (IIH). The effect of bariatric surgery on PTC
has not been systematically investigated. Which of the following is TRUE?
A. Bariatric surgery resolves cranial nerve dysfunction.
B. Bariatric surgery does not resolve tinnitus.
C. Symptoms of PTC take at least 3 to 4 years to resolve.
D. Headache has not been found to resolve in most patients undergoing bariatric
surgery.
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4. Hyperlipidemia is one of the important comorbidities of obesity and is present
in more than 40% of patients with obesity and in more than 50% of patients
with diabetes. Identify the TRUE statement about the effect of LRYGB on
hyperlipidemia.
A. Discontinuation of lipid-lowering medications is not possible after RYGB in
dyslipidemic patients.
B. There is no decrease in very low-density lipoprotein (VLDL) as it is produced by
liver, not the adipose tissue.
C. The percentage decrease in total cholesterol is less than percentage decrease in
triglycerides.
D. No increase in high-density lipoprotein (HDL) has been demonstrated after
surgery.