Vitamin B1 (Thiamine) Deficiency: Food Sources, Purposes, Absorption, Causes, Symptoms (ex Beriberi)

The video tutorial discusses vitamin B1, also known as thiamine, its sources, absorption, and role in metabolism. It highlights the causes and symptoms of vitamin B1 deficiency, including diseases like Wernicke-Korsakoff syndrome and beriberi. The tutorial emphasizes the importance of maintaining adequate vitamin B1 levels through diet, especially for individuals with increased needs or absorption issues.

What is another name for Vitamin B1?

• Riboflavin

• Niacin

• Cobalamin

• Aneurin

Which of the following foods is NOT a high source of Vitamin B1?

• Apples

• Pork

• Soybean nuts

• Chicken

Why is Vitamin B1 crucial for energy metabolism?

• It acts as a cofactor for enzymes

• It stores energy

• It breaks down proteins

• It is a fat-soluble vitamin

Which enzyme involved in glycolysis requires Vitamin B1?

• Transketolase

• Lactase

• Pyruvate dehydrogenase

• Alpha ketoglutarate dehydrogenase

Where is most Vitamin B1 absorbed in the body?

• Colon

• Jejunum

• Esophagus

• Stomach

Which condition is NOT a cause of Vitamin B1 deficiency?

• High protein diet

• Gastrointestinal surgery

• Chronic alcoholism

• Excessive fasting

What is a common symptom of Wernicke syndrome?

• Edema

• Confusion

• Peripheral neuropathy

• Heart failure

What differentiates wet Beriberi from dry Beriberi?

• Increased reflexes

• Presence of edema

• Memory loss

• Nerve pain

What is a characteristic symptom of Korsakoff syndrome?

• Tachycardia

• Confabulation

• Ataxia

• Nystagmus

Which of the following is NOT a symptom of dry Beriberi?

• Heart failure

• Symmetrical nerve pain

• Peripheral neuropathy

• Decreased reflexes