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

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?

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

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.

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.

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

Folate deficiency has been reported in infants fed ____.

Which food provides the most thiamin per serving size? ​

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

What is a free radical? ​

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

Which vitamin is stored primarily in muscle tissue? ​

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.

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

What is an early sign of vitamin C deficiency?

Which term is a type of neural tube defect? ​

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.

What is a general feature of a vitamin?

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