CDR CSOWM Interdisciplinary Specialist Certification in Obesity and Weight Management

A 48-year-old patient with a BMI of 32 kg/m2 asks about the underlying biology of obesity. Which statement BEST describes the role of leptin in established obesity?

• ALeptin levels are typically low in obesity, driving increased hunger
• BMost patients with obesity have leptin resistance, so high leptin fails to suppress appet…
• CLeptin is secreted by the stomach and stimulates ghrelin release
• DLeptin deficiency is the primary cause of obesity in over 50% of adults

Which gut hormone is MOST associated with the post-meal satiety signal that GLP-1 receptor agonists pharmacologically extend?

• AGhrelin
• BGlucagon-like peptide-1 (GLP-1)
• CCortisol
• DAdiponectin

A patient who lost 12% of body weight 6 months ago has regained 4 kg despite adherence to her plan. Which physiologic mechanism BEST explains weight regain after intentional weight loss?

• AA permanent increase in basal metabolic rate after weight loss
• BCompensatory increase in hunger hormones (ghrelin) and decrease in satiety hormones (PYY,…
• CIncreased leptin output from shrunken adipocytes
• DAn autoimmune attack on remaining adipose tissue

Which obesity-related gene has the strongest documented effect size on monogenic, severe early-onset obesity and is the indication for setmelanotide therapy?

• AFTO (fat mass and obesity associated)
• BMC4R (melanocortin-4 receptor) and POMC pathway variants
• CTCF7L2
• DAPOE4

Per WHO and CDC adult criteria, a BMI of 36.4 kg/m2 in a non-Asian adult is classified as:

• AOverweight
• BClass I obesity
• CClass II obesity
• DClass III (severe) obesity

A South Asian patient has a BMI of 24.5 kg/m2, waist circumference 92 cm, A1c 6.0%, and elevated triglycerides. According to WHO Asian-specific cutoffs, this patient is BEST classified as:

• AHealthy weight with no further action needed
• BOverweight by Asian-specific BMI criteria, with central adiposity and metabolic risk warr…
• CClass I obesity by all global criteria
• DUnderweight requiring nutritional repletion

Which adult waist-circumference threshold indicates increased cardiometabolic risk per NHLBI/NIH guidelines (non-Asian populations)?

• AMen >88 cm (35 in); Women >102 cm (40 in)
• BMen >102 cm (40 in); Women >88 cm (35 in)
• CMen >94 cm (37 in); Women >80 cm (31 in)
• DMen >120 cm (47 in); Women >100 cm (39 in)

BMI may misclassify body fat status in all of the following EXCEPT:

• AAn elite collegiate football lineman with BMI 33
• BA frail 82-year-old woman with sarcopenia and BMI 24
• CA South Asian adult with BMI 24 and central adiposity
• DA sedentary middle-aged accountant with BMI 33 and waist 110 cm

Which body composition method is considered the clinical gold standard for measuring fat mass, lean mass, and bone mineral density?

• ABioelectrical impedance analysis (BIA)
• BSkinfold calipers
• CDual-energy X-ray absorptiometry (DXA)
• DBody mass index (BMI)

A multidisciplinary clinic uses Edmonton Obesity Staging System (EOSS) Stage 2 to classify a patient. What does EOSS Stage 2 indicate?

• ANo apparent obesity-related risk factors or impairments
• BSubclinical risk factors only (e.g., borderline blood pressure)
• CEstablished obesity-related chronic disease (e.g., T2DM, HTN, OSA) with moderate function…
• DEnd-stage disabling obesity-related conditions

Per AACE/ACE, the 'Adiposity-Based Chronic Disease (ABCD)' framework emphasizes which conceptual change in obesity care?

• AReplacing BMI with weight in pounds as the diagnostic basis
• BDiagnosing obesity using both anthropometric (BMI/waist) AND clinical complications, fram…
• CConsidering all obesity to be a behavioral disorder
• DEliminating weight measurement from clinical visits

Which laboratory panel is MOST appropriate as a baseline screen for adult patients entering a comprehensive weight management program?

• ACBC, CMP, fasting lipid panel, A1c, TSH, vitamin D, and consider liver enzymes; add ferri…
• BCBC and a urinalysis only
• CHormone panel including testosterone in all patients regardless of symptoms
• DGenetic obesity panel for every patient

Which screening tool is BEST validated for identifying patients at high risk for obstructive sleep apnea before sleep study referral?

• APHQ-9
• BSTOP-BANG
• CAUDIT-C
• DEdinburgh Postnatal Depression Scale

MASLD (formerly NAFLD) is suspected in a patient with obesity and persistently elevated ALT. Which non-invasive risk score is recommended as a first-line stratification tool for advanced fibrosis?

• AFIB-4 score (and/or NAFLD Fibrosis Score)
• BFramingham Risk Score
• CMELD score
• DCHA2DS2-VASc

Per the ADA Standards of Care, an A1c of 6.2% indicates:

• ANormal glucose tolerance
• BPrediabetes (5.7-6.4%) requiring intensive lifestyle intervention
• CType 2 diabetes confirmed
• DHypoglycemia risk

An older adult with BMI 31 and progressive weight loss reports new fatigue and night sweats over 3 months. The MOST appropriate next step is:

• AInitiate a calorie-restricted weight loss diet
• BEvaluate for unintentional weight loss (malignancy, GI disease, hyperthyroidism, depressi…
• CRefer for bariatric surgery
• DIncrease exercise prescription

When using bioelectrical impedance analysis (BIA) in clinic, which patient condition would MOST likely produce inaccurate body fat estimates?

• AHydrated, fasting state in the morning
• BSignificant fluid retention from heart failure or recent intense exercise
• CStandardized footwear and barefoot contact
• DAmbient room temperature

Which question is MOST useful for assessing readiness for behavior change using motivational interviewing?

• A'Why have you not lost weight before?'
• B'On a scale of 0 to 10, how important is it for you to make a change right now, and what…
• C'You really should lose weight; do you understand?'
• D'I will give you a meal plan; please follow it.'

A patient with class III obesity uses a manual wheelchair due to severe knee osteoarthritis. The MOST important assessment consideration is:

• ASkip anthropometric measurements because they are not feasible
• BAdapt assessment with bariatric-appropriate equipment (chair scale or wheelchair scale, l…
• CRefer for bariatric surgery before any further assessment
• DUse only self-reported height and weight

In adults with obesity, depression screening should be part of routine assessment. Which validated screening tool is recommended in primary care?

• APHQ-2 followed by PHQ-9 if positive
• BMini-Mental State Examination
• CGlasgow Coma Scale
• DSTOP-BANG

Which screening should be considered for binge eating disorder in patients seeking weight management?

• AEating Disorder Examination Questionnaire (EDE-Q) or Binge Eating Scale (BES)
• BMMSE
• CFramingham Risk Score
• DPHQ-2 only

The Stages of Change (Transtheoretical Model) stage characterized by intent to act within the next 30 days and starting small steps is:

• APrecontemplation
• BContemplation
• CPreparation
• DMaintenance

A 24-hour dietary recall reveals 3,400 kcal/day with high intake of sweetened beverages. Which assessment limitation is MOST relevant?

• A24-hour recall is highly accurate and requires no triangulation
• BRecall is subject to underreporting (especially in obesity), recall bias, and may not rep…
• CRecall data should be used only for sodium analysis
• D24-hour recall should be replaced by hair analysis

When assessing exercise history, which question yields the MOST clinically actionable information?

• A'Do you exercise?'
• B'How many minutes per week of moderate or vigorous activity, what types, and what barrier…
• C'Why do you not work out?'
• D'Are you a member of a gym?'

A patient reports a 35-pound weight gain over 2 years coinciding with starting a new medication. Which class of medications is MOST commonly associated with weight gain?

• AGLP-1 receptor agonists
• BAtypical antipsychotics (e.g., olanzapine, clozapine), some antidepressants (paroxetine,…
• CStatins
• DACE inhibitors

A patient reports daily intake of an over-the-counter supplement marketed as a 'metabolism booster.' The MOST appropriate assessment action is:

• AIgnore unless the patient mentions adverse effects
• BDocument supplement name, dose, source, frequency, and review for safety, drug interactio…
• CEncourage continued use because supplements are 'natural'
• DReplace prescribed medications with supplements

Which past medical/treatment history element MOST changes the obesity treatment plan?

• AChildhood appendectomy
• BPrior bariatric surgery (e.g., RYGB), prior eating disorder, prior pharmacotherapy trials…
• CAnnual flu shot adherence
• DRecent ophthalmology exam

Which structured framework helps clinicians identify key behavioral health comorbidities relevant to obesity care?

• AScreening for depression, anxiety, BED, night eating syndrome, PTSD/trauma, and substance…
• BScreening only for current mood
• CReviewing only sleep aids
• DAsking only about cigarette use

When assessing the home environment, which factor BEST predicts long-term weight management success?

• AWhether the patient owns a treadmill
• BSocial and household support, food availability/security, cooking facilities, neighborhoo…
• CBrand of refrigerator
• DColor of kitchen walls

Which assessment of cultural factors is MOST appropriate for an immigrant patient from West Africa entering a weight clinic?

• AAssume Western dietary norms apply universally
• BUse a cultural humility approach: ask about traditional foods, food meanings, religious o…
• CProvide only English-language handouts
• DRecommend they adopt 'standard American' diet patterns

A patient lives in a USDA-designated low-income, low-access census tract (food desert). Which intervention is MOST appropriate?

• ARecommend frequent farmers' market visits without addressing transportation
• BIdentify SNAP/WIC, double-up food bucks, mobile markets, community gardens, transportatio…
• CProvide a meal plan based only on organic foods
• DDischarge from program until patient relocates

A patient describes that her partner brings home pizza nightly and discourages her healthy choices. Which intervention BEST targets this social-support barrier?

• AAdvise the patient to leave the relationship
• BEngage the partner with patient consent in education and shared goal-setting; teach asser…
• CTell the patient to ignore her partner
• DRefuse to continue care unless the partner is enrolled

A patient with limited English proficiency speaks Vietnamese. Which is the MOST appropriate communication strategy?

• AUse the patient's adult child as interpreter for all clinical conversations
• BUse a qualified medical interpreter (in-person or telephone), and provide written materia…
• CUse Google Translate as the primary tool
• DSpeak slowly and loudly in English

Per the Mediterranean diet pattern, which combination BEST characterizes recommended daily intake?

• AVegetables, fruits, whole grains, legumes, nuts, olive oil as primary fat; fish/poultry s…
• BHigh processed-meat intake with low vegetable intake
• CStrict elimination of all carbohydrates
• DAll meals replaced with shakes

Which statement about energy deficits for weight loss is MOST accurate per the 2013 AHA/ACC/TOS guideline?

• AAn 8,000 kcal/day deficit is recommended
• BA 500-750 kcal/day deficit produces 0.5-1 kg/week loss for most adults; intensive compreh…
• CCaloric intake does not matter; only macronutrient ratios matter
• DAll adults should consume <800 kcal/day

Very-low-calorie diets (VLCDs) defined as <800 kcal/d:

• AAre appropriate as first-line therapy for all patients with overweight
• BRequire medical supervision and are typically used short-term (8-16 weeks) for selected p…
• CShould be used indefinitely without monitoring
• DHave no risk of micronutrient deficiency

A patient asks whether low-carbohydrate or Mediterranean diet is 'better' for weight loss. The MOST evidence-based response is:

• ALow-carb is always superior to Mediterranean
• BMediterranean is always superior to low-carb
• CBoth produce similar long-term weight loss; the diet a patient can adhere to long-term is…
• DOnly ketogenic diets work for obesity

Time-restricted eating (e.g., 16:8) and intermittent fasting protocols typically:

• AProduce greater weight loss than energy-matched daily caloric restriction
• BProduce weight loss comparable to standard daily caloric restriction; benefits depend lar…
• CCause severe nutritional deficiency in all patients
• DAre contraindicated in everyone

Adequate protein intake during caloric restriction supports weight loss by:

• ADecreasing satiety
• BPromoting satiety, preserving lean mass, and elevating thermic effect of feeding; typical…
• CEliminating the need for any energy deficit
• DCausing kidney failure in all patients

Meal replacements (structured shakes/bars) have evidence supporting:

• ANo benefit over usual care
• BImproved short-term weight loss and program adherence when used to replace 1-2 meals/day…
• CPermanent total replacement of all meals indefinitely
• DUse only for athletic performance

Patients on long-term very-low-calorie diets are at greatest risk of which micronutrient-related complication?

• AVitamin C overdose
• BCholelithiasis from rapid fat loss; deficiencies in iron, B12, calcium, vitamin D, and el…
• CExcess fat-soluble vitamin storage with no clinical effect
• DHyperkalemia is unique to VLCDs

A patient using orlistat 120 mg three times daily complains of oily stools and flatulence. Which counseling point is MOST appropriate?

• ADiscontinue orlistat immediately and switch to phentermine
• BGI effects are dose-dependent and improve with reduced dietary fat per meal (<30% energy…
• CTake orlistat with as much fat as possible to mask symptoms
• DAdd a daily fast-food meal to test tolerance

Which dietary supplement marketed for weight loss is associated with serious adverse cardiovascular events and is restricted by the FDA?

• AVitamin D
• BEphedra/ephedrine alkaloids (banned 2004) and bitter orange (synephrine) raise BP and hea…
• CCinnamon
• DMagnesium

Per ACSM, what is the recommended weekly aerobic activity for general health AND for weight maintenance after weight loss?

• A60 min/week moderate; same for maintenance
• B150-300 min/week moderate-intensity (or 75-150 vigorous) for general health; 200-300 min/…
• C300 min/week vigorous; same for maintenance
• D30 min/week of any intensity

A 58-year-old sedentary man with BMI 38, T2DM, HTN, and chest pain on exertion wants to start an exercise program. What is the MOST appropriate first step?

• APrescribe vigorous interval training immediately
• BRefer for medical clearance/cardiac evaluation (e.g., stress test) before initiating mode…
• CRecommend 60 min/day vigorous activity tomorrow
• DAvoid exercise entirely

Resistance training during a weight-loss program primarily helps to:

• AMaximize fat loss exclusively
• BPreserve lean body mass, improve insulin sensitivity, and support resting energy expendit…
• CReplace cardiovascular exercise entirely
• DCause hypertension

Which program is specifically designed to prevent T2DM in adults with prediabetes through lifestyle intervention?

• ADiabetes Prevention Program (DPP) achieving 5-7% weight loss and 150 min/week activity re…
• BAtkins induction phase
• CStandard ICU protocol
• DCardiac rehabilitation phase IV