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Year : 2014  |  Volume : 2  |  Issue : 1  |  Page : 34-35

Obesity: Test your knowledge

Date of Web Publication25-Jul-2014

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How to cite this article:
. Obesity: Test your knowledge. Saudi J Obesity 2014;2:34-5

How to cite this URL:
. Obesity: Test your knowledge. Saudi J Obesity [serial online] 2014 [cited 2023 Jun 2];2:34-5. Available from:

In each issue we will ask some questions about obesity. In this section we try to challenge our readers through testing their knowledge. The answers with explanations will be provided at the end of the section.

one best answers for all the following questions:

Q-1: A 23 year-old female attended your clinic for annual checkup . It was found that her height was 1.6 m, weight was 67 Kilograms. What her weight status?

A. Normal weight

B. Overweight

C. Underweight

D. Mild obesity

Q-2: What will be the next step to manage this lady

A. Reassurance and follow up after one year

B. Referral to obesity clinic

C. Advise her about healthy life styles

D. Ask for lipid profile, fasting blood glucose, liver function test

Q-3: What is the prevalence of obesity among adult population in Saudi Arabia

A. 15%

B. 20%

C. 25%

D. 35%

Q-4: Which of the following factors are responsible for increasing the prevalence of obesity in Saudi Arabia?

A. Sedentary life and genetics

B. Intake imbalanced diet and genetics

C. Intake imbalanced diet and sedentary life

D. Drugs and sedentary life

Q-5: What is the mortality rate among patients undergone to bariatric surgery?

A. 1%

B. 2%

C. 0.5%

D. 0.1%

Q-6: What is the most common complication of bariatric surgery

A. Bleeding

B. Pulmonary embolism.

C. Deep infection/leak

D. Aspiration pneumonia

Q-7: A 35 year old female who attended clinic for counseling , her BMI was 34 kg/m 2 , there is no other comorbidities . In addition to prescribing non-pharmacological therapies such as diet and exercise, What the drug of choice to be added for this lady?

A. Phentermine

B. Orlistat

C. Sibutramine

D. Metformin

Q-8: Which one of the following medical problems is greatly increased in obese patients?

A. Dyslipidemia

B. Breast cancer

C. Infertility

D. Low back pain

Q-9: What is the target daily energy deficit through dietary intervention in management obese patients?

A. 400 kcal/day

B. 800 kcal/day

C. 1000 kcal/day

D. 600 kcal/day

Q-10: It is recommended to restrict watching TV and other screens such as computer and PlayStation in order to prevent obesity in children. What is the maximum allowed duration of this activity?

A. 1 hour

B. 2 hours

C. 3 hours

D. 4 hours

  Answers Top

Answer 1: B

By calculating her BMI= weight(kg)/height (M) 2 =67/2.6= 25.8 (overweight)

Answer 2: C

In patients with overweight and no other risk factors or comorbidities, it is recommended to advise them regarding intake well balance diet and to perform regular physical activity ( 30-45 minutes/day) at least five days per week. walking, bicycling, running could be good options of exercise.

Answer 3: D

Despite variations in the prevalence of obesity in Saudi Arabia, at least one third of Saudi adults suffer from obesity as reported by Al-Nozha et al.

Answer 4: C

It was found that people who eat imbalanced unhealthy diet and those who not performing any physical activity are at high risk of obesity. Genetic can play a role but can't compared to other 2 factors. Few cases of obesity are due to drugs specially hormones and anti-psychotics.

Answer 5: C

Many studies and reports from different countries found that the mortality rates among patients undergone bariatric surgery is about 0.5%.

Answer 6: C

There are many post-operative complications of bariatric surgery including; bleeding (0.5%), DVT/PE (0.8%), wound complications (1.8%), deep infection-abscess (2%).

Answer 7: B

In Saudi Arabia, the only licensed drug to manage obesity is orlistat . Other drugs are withdrawn from the pharmacies. Orlistat is used as 120 mg after each main meals. Orlistat could help in reducing the initial weight by 5%.

Answer 8: A

Obese patients are at high risk of many medical problems. They can be classified into great risk with relative risk (RR>3) (Diabetes type-2, gallstone, dyslipidemia, sleep apnea), Moderate risk with (RR=2.1-3) (hypertension, I.H.D, osteo-arthritis, g out) slightly increase risk with (RR=1-2) (cancers, infertility, low back pain).

Answer 9: D

There is strong evidence (Evidence-A), stating that dietary interventions for weight loss should be calculated to produce 600 kcal/day energy deficit.

Answer 10: B

Health professionals should advise families to limit children's television viewing and other screen time to no more than two hours per day (Evidence-B).

  References Top

1. Management of obesity: Saudi Clinical Guideline. Saudi J of Obesity 2013.

2. Al-Nozha et al. Obesity in Saudi Arabia. Saudi Med J 2005;26:824-29.

3. Oxford Handbook of General Practice. 3 rd ed., 2010, Ch 8 page 180-81.

4. Gortmaker SL, Must A, Sobol AM, Peterson K, Colditz GA, Dietz WH. Television viewing as a cause of increasing obesity among children in the United States, 1986-1990. Arch Pediatr Adolesc Med. 1996;150:356-62.

5. Robinson TN. Reducing children's television viewing to prevent obesity: A randomized controlled trial. JAMA. 1999;282:1561-67.


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