Podcast
Questions and Answers
All of the following foods contain active vitamin A except:
All of the following foods contain active vitamin A except:
- French fries (correct)
- Liver
- Milk
- Fish oils
Healthy people can eat vitamin A-rich foods in large amounts without risking toxicity, with the possible exception of:
Healthy people can eat vitamin A-rich foods in large amounts without risking toxicity, with the possible exception of:
- Liver (correct)
- Eggs
- Fortified breakfast cereals
- Cheese
Population studies suggest that people whose diets lack foods rich in beta-carotene have a higher incidence of:
Population studies suggest that people whose diets lack foods rich in beta-carotene have a higher incidence of:
- Rickets
- Osteomalacia
- Anemia
- Macular degeneration (correct)
What is one symptom of a beta-carotene toxicity?
What is one symptom of a beta-carotene toxicity?
Important roles of vitamin D in the body in addition to maintenance of bone health include all of the following except:
Important roles of vitamin D in the body in addition to maintenance of bone health include all of the following except:
Research suggests that deficiency of vitamin D may lead to what?
Research suggests that deficiency of vitamin D may lead to what?
The vitamin D deficiency disease in adults is known as:
The vitamin D deficiency disease in adults is known as:
Which of the following is the most potentially toxic of all vitamins?
Which of the following is the most potentially toxic of all vitamins?
By definition, a vitamin is all of the following except:
By definition, a vitamin is all of the following except:
Vitamin E serves as:
Vitamin E serves as:
The main function of vitamin K is:
The main function of vitamin K is:
A compound in food that can be converted into an active vitamin inside the body is known as a(an):
A compound in food that can be converted into an active vitamin inside the body is known as a(an):
Characteristics of water-soluble vitamins include all of the following except:
Characteristics of water-soluble vitamins include all of the following except:
Which of the following statements regarding vitamin C is/are true?
Which of the following statements regarding vitamin C is/are true?
All of the following are fat-soluble vitamins except:
All of the following are fat-soluble vitamins except:
The thiamin deficiency disease is known as:
The thiamin deficiency disease is known as:
Pellagra is a _____ deficiency disease.
Pellagra is a _____ deficiency disease.
An uninformed strict vegetarian is at special risk for _____ deficiency.
An uninformed strict vegetarian is at special risk for _____ deficiency.
Any disease that produces _____ malabsorption can bring about deficiencies of vitamins A, D, E, and K.
Any disease that produces _____ malabsorption can bring about deficiencies of vitamins A, D, E, and K.
Vitamin toxicity is more of a concern with which type of vitamins?
Vitamin toxicity is more of a concern with which type of vitamins?
The first sign of dehydration is:
The first sign of dehydration is:
How much water and fluid beverages (in cups) should a man consume each day, under moderate environmental conditions and given a normal diet?
How much water and fluid beverages (in cups) should a man consume each day, under moderate environmental conditions and given a normal diet?
Which of the following stabilizes bones and makes teeth resistant to decay?
Which of the following stabilizes bones and makes teeth resistant to decay?
Which of the following makes up about 60 percent of the body's weight?
Which of the following makes up about 60 percent of the body's weight?
Which of the following is the most abundant mineral in the body?
Which of the following is the most abundant mineral in the body?
Study Notes
Vitamins and Their Functions
- Active vitamin A is found in foods such as liver, fish oils, and milk, but not in french fries.
- Healthy adults can consume vitamin A-rich foods generally without toxicity, except for liver.
- A diet lacking beta-carotene correlates with a higher incidence of macular degeneration.
Vitamin A Toxicity
- A symptom of beta-carotene toxicity includes bright yellow skin.
- Vitamin D plays critical roles beyond bone health, but does not influence the health of the retina.
Vitamin D Deficiencies
- Deficiency in vitamin D is linked to cardiovascular disease and leads to osteomalacia in adults.
- Vitamin D is the most potentially toxic vitamin.
Understanding Vitamins
- Vitamins are organic compounds that are essential for bodily functions and are required in minute quantities.
- Vitamin E acts as an antioxidant, while vitamin K is essential for synthesizing blood-clotting proteins.
Water-Soluble vs Fat-Soluble Vitamins
- Water-soluble vitamins are easily absorbed and excreted; they rarely reach toxic levels and are not stored extensively in tissues.
- Vitamin C aids in infection protection and enhances iron absorption, but does not prevent the common cold.
Vitamin Deficiencies
- Thiamin deficiency leads to beriberi, while niacin deficiency results in pellagra.
- A strict vegetarian may risk vitamin B12 deficiency, often linked to malabsorption of fat-soluble vitamins.
Water and Mineral Intake
- The first sign of dehydration is thirst, which can lead to confusion or headache if ignored.
- Men should aim for approximately 13 cups of water and beverages daily under normal conditions.
- Fluoride strengthens bones and teeth, and water comprises about 60% of body weight.
- Calcium is the most abundant mineral in the body, contributing to numerous physiological functions.
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Description
Test your knowledge on vitamins and their dietary sources with this mid-term quiz covering chapters 7 and 8. Explore questions about vitamin A, its food sources, and implications for health. Perfect for students reviewing essential nutrition concepts.
