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Match the clinical presentation, symptoms, and signs with metabolic and nutritional complications after bariatric surgery.

1 Calcium deficiency.

2 Copper deficiency.

3 Iron deficiency.

4 Vitamin A deficiency.

5 Vitamin B1 deficiency.

6 Vitamin B12 deficiency.

7 Vitamin D deficiency.

8 Zinc deficiency.

1 31. A 50‐year‐old man underwent a gastric banding because of OSA, type 2 diabetes. Post‐surgery, he developed chronic intermittent nausea and vomiting. He is now admitted with high output heart failure.

2 32. A 48‐year‐old man underwent a gastric sleeve operation for his morbid obesity 12 months ago. On his annual outpatient review, he complains of tingling in fingers and toes. He states that his memory is very poor. He has a tendency to stumble. He is diagnosed to have depression by his GP recently despite the significant weight loss. His blood test arranged by his GP shows macrocytic anaemia and mild abnormal LFTs.

3 33. A 49‐year‐old woman reported flashes in the eyes with poor night vision and reduced visual acuity for 8 weeks. She had a Roux‐en‐Y gastric bypass surgery 3 years ago. Ophthalmology evaluations revealed bilateral visual acuity of 6/36. Humphrey visual fields showed peripheral constriction in both eyes without a central scotoma. Slit‐lamp examination revealed conjunctival xerosis in both eyes. Bitot's spots and relative afferent papillary defects were absent. Fundoscopy examination revealed optic atrophy but normal appearing macula, vessels, and peripheral retina in both eyes.

4 34. A 48‐year‐old woman underwent a biliopancreatic diversion several years ago. She suffers skin or respiratory tract infections frequently. Her skin wound heals very slowly. She complains of blunting of taste sense, hair loss leading to alopecia. There is clinical evidence of glossitis.