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Exam 10: The Water-Soluble Vitamins: B Vitamins and Vitamin C

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Question 31

Multiple Choice

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Which vitamin is stored primarily in muscle tissue? ​

A) biotin
B) folate
C) vitamin B ₆
D) pantothenic acid

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Question 32

Multiple Choice

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Which vitamin is synthesized in significant amounts by intestinal bacteria? ​

A) folate
B) biotin
C) cyanocobalamin
D) pantothenic acid

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Question 33

Multiple Choice

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What is the primary excretory route for the water-soluble vitamins?

A new world that can support life has been discovered, and a group of brave people are heading there to colonize the planet. As the resident nutritionist, you need to plan which crops and livestock should accompany you for the journey to ensure that proper nutrition will be met. In order to prevent your colonists from developing beriberi, what would you recommend bringing on the journey? How would you recognize early symptoms of this disease to monitor any possible affects that the planet may have on the bioavailability of this vitamin or mineral over time.

Your friend Tanya is complaining of fatigue and is asking your advice about taking a multivitamin.  How would you respond to her? Justify your position.

What is a general feature of a vitamin?

What is an early sign of vitamin C deficiency?

Match the each vitamin to its alternative name.

Which food choice would be the only substantial source of vitamin B ₁₂ ? ​

A hypochondriac patient, who drinks a large bottle of V8 and takes multiple supplements every day, develops a painful flush and skin lesions. She is lethargic, acting like she may be depressed, and complains of numbness in her limbs. Based on her history, identify which B vitamins she is taking in excess, and specifically indicate which vitamin is likely causing each of her symptoms.

A deficiency of which vitamin results in accumulation of homocysteine in the blood? ​

What is a free radical? ​

Folate deficiency has been reported in infants fed ____.

A patient with tuberculosis is diagnosed with anemia. Further analysis of the anemia indicates that it is microcytic anemia due to a deficiency in red blood cells. Which vitamin B deficiency is at the root of this problem, and what is the reason for the small size of the red blood cells?

List three of the functions of vitamin C. Explain how these functions are altered when vitamin C levels are not sufficient for a long period of time, and how this is manifested in patients.

Which food provides the most thiamin per serving size? ​

Match the vitamin with its primary function.

Riboflavin needs are more difficult to meet when the diet is low in ____. ​

Describe the major differences between vitamins and the energy-containing nutrients.

Which term is a type of neural tube defect? ​