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How much do you know about pernicious anemia and vitamin B12 deficiency?

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How much do you know about pernicious anemia and vitamin B12 deficiency?

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Questions and Answers

What is the main cause of pernicious anemia?

Lack of vitamin C

Lack of vitamin B6

Lack of vitamin D

Lack of vitamin B12 (correct)

What is the role of intrinsic factor in the body?

It facilitates the absorption of vitamin D

It facilitates the absorption of vitamin B12 (correct)

It facilitates the absorption of vitamin B6

It facilitates the absorption of vitamin C

Which of the following can cause pernicious anemia?

Autoimmune destruction of red blood cells

Overconsumption of vitamin B12

Overconsumption of vitamin C

Autoimmune destruction of gastric parietal cells (correct)

What are the symptoms of pernicious anemia?

Weakness, fatigue, nausea, and vomiting (C) Signup and view all the answers

How is pernicious anemia diagnosed?

Through blood tests (B) Signup and view all the answers

Which of the following can cause vitamin B12 deficiency anemia?

Chronic gastritis (A) Signup and view all the answers

What is the treatment for pernicious anemia?

Increasing vitamin B12 levels through supplements or injections (A) Signup and view all the answers

What is the function of vitamin B12 in the body?

It helps with the synthesis of healthy red blood cells (C) Signup and view all the answers

What is the role of cobalamin in the body?

It helps with the absorption of vitamin B12 (D) Signup and view all the answers

What are the potential complications of pernicious anemia?

Nervous system damage (B) Signup and view all the answers

Study Notes

Pernicious anemia is a condition caused by a lack of vitamin B12.
Vitamin B12 is necessary for the synthesis of healthy red blood cells.
Pernicious anemia is caused by the body's inability to absorb vitamin B12 due to a lack of intrinsic factor.
Intrinsic factor is a protein that binds to cobalamin and facilitates its absorption into the body.
Pernicious anemia can be caused by autoimmune destruction of gastric parietal cells or intrinsic factor itself.
Symptoms of pernicious anemia include weakness, fatigue, nausea, vomiting, and loss of appetite.
Pernicious anemia can also cause nervous system damage, such as memory loss and numbness in the hands and feet.
Diagnosis is based on medical and family history, physical examination, and blood tests.
Treatment involves increasing vitamin B12 levels through supplements or injections.
Common causes of vitamin B12 deficiency anemia include chronic gastritis, strict vegetarian diets, certain medications, and gastric surgery.

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Description

Think you know all about pernicious anemia? Test your knowledge with our quiz! From the causes and symptoms to diagnosis and treatment, this quiz covers everything you need to know about this condition. Keywords: pernicious anemia, vitamin B12, intrinsic factor, autoimmune, symptoms, nervous system damage, diagnosis, treatment, deficiency, chronic gastritis, vegetarian diets, medication, gastric surgery.