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B12: Water-Soluble Vitamin Deficiency & Toxicity Symptoms

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

Your friend Ana, who consumes a vegan diet, has not been feeling well lately; she has been suffering from numbness and tingling in the hands and feet, weakness, and confusion. What could be the cause of her symptoms and why?

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1. What is a person with pernicious anemia lacking that makes it difficult to absorb vitamin B12?

2. Older adults might suffer from B12 deficiency due to an inflammation of the stomach lining that interferes with the secretion of stomach acids and enzymes. What is this condition called?

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About This Quiz & Worksheet

This quiz and corresponding worksheet will help you quickly assess your knowledge about what vitamin B12 is essential for, what causes the body to lose the ability to absorb this vitamin and who might be at highest risk for this condition. Topics you'll need to know to pass the quiz include the definition of terms used in relation to vitamin B12 deficiency.

Quiz and Worksheet Goals

In these assessments, you'll be tested on:

  • Symptoms of vitamin B12 deficiency
  • What one with pernicious anemia lacks
  • The condition in which the lining of the stomach becomes inflamed
  • A reason why vegans need vitamin B12 supplements
  • Facts about vitamin B12 toxicity

Skills Practiced

This worksheet and quiz will allow you to test the following skills:

  • Making connections - use understanding of the concept of anemia resulting from the lack of vitamin B12 absorption
  • Defining key concepts - ensure that you can accurately define main phrases, such as Intrinsic Factor and atrophic gastritis
  • Information recall - access the knowledge you've gained regarding vitamin B12 toxicity
  • Knowledge application - use your knowledge to answer questions about the main sources of vitamin B12

Additional Learning

To learn more about this subject, review the accompanying lesson called B12: Water-Soluble Vitamin Deficiency & Toxicity Symptoms. This lesson covers the following objectives:

  • Explain the problems that can arise when one lacks vitamin B12
  • Define pernicious anemia
  • Describe what one is lacking when they cannot absorb vitamin B12
  • Detail the functions of vitamin B12
  • Identify what foods contain vitamin B12
  • Provide information about conditions and lifestyles that can affect the intake and absorption of vitamin B12
  • Discuss vitamin B12 toxicity
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