Podcast
Questions and Answers
What is the primary characteristic of macrocytic anemia in vitamin B12 deficiency?
What is the primary characteristic of macrocytic anemia in vitamin B12 deficiency?
Which of the following is a common neurological symptom of folate deficiency?
Which of the following is a common neurological symptom of folate deficiency?
What is the primary cause of Wernicke-Korsakoff syndrome?
What is the primary cause of Wernicke-Korsakoff syndrome?
What is the primary symptom of Riboflavin deficiency Ariboflavinosis?
What is the primary symptom of Riboflavin deficiency Ariboflavinosis?
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What is the primary treatment for Niacin deficiency Pellagra?
What is the primary treatment for Niacin deficiency Pellagra?
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What is a common symptom of vitamin B12 deficiency anemia?
What is a common symptom of vitamin B12 deficiency anemia?
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Study Notes
Vitamin B12 Deficiency Anemia
- Caused by insufficient dietary intake or impaired absorption of vitamin B12
- Characterized by:
- Macrocytic anemia (enlarged red blood cells)
- Fatigue
- Weakness
- Shortness of breath
- Pale skin
- Can lead to nerve damage and neurological problems if left untreated
- Diagnosis: blood tests for vitamin B12 levels and hematocrit
- Treatment: vitamin B12 injections or oral supplements
Folate Deficiency Neurological Symptoms
- Caused by insufficient dietary intake or impaired absorption of folate
- Neurological symptoms:
- Depression
- Fatigue
- Mood changes
- Memory impairment
- Personality changes
- Can also cause anemia, weakness, and shortness of breath
- Diagnosis: blood tests for folate levels
- Treatment: folate supplements
Thiamine Deficiency Wernicke-Korsakoff Syndrome
- Caused by chronic thiamine deficiency, often due to alcoholism or malnutrition
- Characterized by:
- Wernicke's encephalopathy (acute phase):
- Confusion
- Oculomotor disturbances
- Ataxia
- Korsakoff's psychosis (chronic phase):
- Memory loss
- Confabulation
- Lack of insight
- Wernicke's encephalopathy (acute phase):
- Diagnosis: clinical evaluation, neuroimaging, and thiamine levels
- Treatment: thiamine supplements, often in combination with other B vitamins
Riboflavin Deficiency Ariboflavinosis
- Caused by insufficient dietary intake or impaired absorption of riboflavin
- Characterized by:
- Mouth and skin lesions
- Cracked lips
- Inflammation of the tongue and mouth
- Seborrheic dermatitis
- Can also cause fatigue, blurred vision, and hair loss
- Diagnosis: clinical evaluation and riboflavin levels
- Treatment: riboflavin supplements
Niacin Deficiency Pellagra
- Caused by insufficient dietary intake or impaired absorption of niacin
- Characterized by:
- Diarrhea
- Dermatitis (skin lesions)
- Dementia (in severe cases)
- Can also cause fatigue, headache, and depression
- Diagnosis: clinical evaluation, niacin levels, and response to treatment
- Treatment: niacin supplements
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Description
Test your knowledge of various vitamin deficiency disorders, including their causes, symptoms, diagnosis, and treatment. Learn about the effects of insufficient dietary intake or impaired absorption of vitamins B12, folate, thiamine, riboflavin, and niacin.