Vitamins and Minerals

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Questions and Answers

In what bodily fluid is chloride primarily incorporated?

  • Bile secretions
  • Saliva
  • Pancreatic secretions
  • Gastric secretions (correct)

A 62-year-old woman who smokes and has minimal vitamin C intake is at highest risk for what condition?

  • Muscle cramps
  • Osteoporosis
  • Scurvy
  • Easy bruising and pinpoint hemorrhages (correct)

Which set of factors plays the most significant role in regulating calcium absorption from food?

  • Vitamin D hormone, calcitonin, and parathyroid hormone (correct)
  • Vitamin C, iron, and folic acid
  • Magnesium, fluoride, and zinc
  • Phosphorus, sodium, and potassium

Why should a young woman planning pregnancy focus on folate-rich foods?

<p>To prevent neural tube defects (B)</p> Signup and view all the answers

What is the primary function of vitamin D related to mineral metabolism?

<p>Regulating calcium and phosphorus absorption and metabolism (B)</p> Signup and view all the answers

A deficiency in vitamin A is most likely to manifest as which of the following conditions?

<p>Night blindness (B)</p> Signup and view all the answers

Where is the majority of the body's sodium located??

<p>Water outside the cells (B)</p> Signup and view all the answers

Which two minerals are predominantly found in extracellular fluid and crucial for regulating water balance?

<p>Sodium and chloride (A)</p> Signup and view all the answers

Which of the following is an example of an electrolyte?

<p>Potassium (C)</p> Signup and view all the answers

What pH value characterizes an acidic solution?

<p>Lower than 7.0 (C)</p> Signup and view all the answers

Which vitamin is most susceptible to destruction by light exposure?

<p>Riboflavin (B)</p> Signup and view all the answers

By what primary mechanism do the kidneys cleanse the blood?

<p>Filtration (D)</p> Signup and view all the answers

What is the main dietary source of iodine for most people?

<p>Iodized table salt (B)</p> Signup and view all the answers

What is a key function of vitamin A in the eye?

<p>Help form rhodopsin in the eye (B)</p> Signup and view all the answers

Which two minerals are found outside cells and help regulate water balance?

<p>Sodium and chloride (A)</p> Signup and view all the answers

Why are recommended intakes for vitamin D challenging to establish?

<p>Exposure to sunlight varies (D)</p> Signup and view all the answers

What dietary component primarily assists in thyroxine synthesis?

<p>Iodized table salt (D)</p> Signup and view all the answers

What condition is essential for osmosis to occur?

<p>A semipermeable membrane (C)</p> Signup and view all the answers

Which hormone is crucial for promoting sodium conservation in the kidneys?

<p>Aldosterone (A)</p> Signup and view all the answers

Which electrolyte is most abundant in gastric digestive fluids?

<p>Chloride (A)</p> Signup and view all the answers

Which three body systems are most likely to be affected by thiamin deficiency?

<p>Nervous, cardiovascular, and gastrointestinal systems (A)</p> Signup and view all the answers

Spinach, carrots, and sweet potatoes are significant sources of which nutrient?

<p>Beta-carotene (D)</p> Signup and view all the answers

Who is at the highest risk for vitamin D deficiency?

<p>62-year-old woman who lives in a cold climate and rarely goes outdoors (C)</p> Signup and view all the answers

Which hormone primarily functions to conserve body water?

<p>Antidiuretic hormone (A)</p> Signup and view all the answers

Water retention in the body is primarily a result of which hormone?

<p>Antidiuretic hormone (D)</p> Signup and view all the answers

Flashcards

Chloride incorporation

Chloride is a component of gastric secretions.

Vitamin C Deficiency

Vitamin C deficiency causing easy bruising.

Calcium absorption regulators

Vitamin D hormone, calcitonin, and parathyroid hormone

Folate and Pregnancy

Folate-rich foods help prevent neural tube defects during pregnancy.

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Function of Vitamin D

Regulates absorption and metabolism of calcium and phosphorus.

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Vitamin A Deficiency Consequence

Vitamin A deficiency can lead to night blindness.

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Sodium Location

Most of the body's sodium is found outside the cells.

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Water Balance Minerals

Sodium and chloride regulate water balance in extracellular fluid.

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Electrolyte Example

Potassium is an example of an electrolyte.

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Acidic pH Level

An acid has a pH lower than 7.0.

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Light-Sensitive Vitamin

Riboflavin (Vitamin B2) is destroyed by light.

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Kidney Function

The kidneys clean the blood by filtration.

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Main Dietary Source of Iodine

Iodized table salt is the main dietary source of iodine.

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Vitamin A's eye function

Vitamin A helps form rhodopsin in the eye which is important for low light vision.

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Outside cell water regulation

Sodium and chloride regulate water balance in the water outside cells.

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Vitamin D intake difficulty

Exposure to sunlight varies, making it difficult to establish recommended intakes

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Aid synthesis

Iodized table salt is most important to assist with thyroxine synthesis.

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Osmosis Requirements

For osmosis to occur, there must be a semipermeable membrane.

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Sodium conservation hormone

Aldosterone promotes sodium conservation in the kidney.

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Gastric Electrolyte

Chloride is the electrolyte most abundant in gastric digestive fluids.

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Systems affected by thiamin deficiency

Nervous, cardiovascular, and gastrointestinal systems are affected by thiamin deficiency.

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Beta-carotene Source

Beta-carotene is in spinach, carrots, and sweet potatoes.

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Vitamin D

Vitamin D deficiency: 62-year-old woman who lives in a cold climate and rarely goes outdoors.

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Water Conservation Hormone

Antidiuretic hormone conserves body water.

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Water Retention Hormone

Antidiuretic hormone results in water retention.

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Study Notes

  • Chloride is incorporated into gastric secretions.
  • A 62-year-old woman who smokes and has minimal vitamin C intake is most likely at risk for easy bruising and pinpoint hemorrhages.
  • Vitamin D hormone, calcitonin, and parathyroid hormone regulate calcium absorption from food.
  • Folate-rich foods may help prevent neural tube defects in pregnant women.
  • The primary function of vitamin D is to regulate the absorption and metabolism of calcium and phosphorus.
  • A deficiency of vitamin A may result in night blindness.
  • Most of the body's sodium is found in water outside the cells.
  • Sodium and chloride are the two minerals that occur in the extracellular fluid and regulate water balance.
  • Potassium is an example of an electrolyte.
  • An acid has a pH lower than 7.0.
  • Riboflavin is the vitamin destroyed by light.
  • The kidneys clean the blood by filtration.
  • The main dietary source of iodine is iodized table salt.
  • An important function of vitamin A is to help form rhodopsin in the eye.
  • Sodium and chloride are the two minerals that occur in the water outside cells and regulate water balance.
  • Recommended intakes for vitamin D are difficult to establish because exposure to sunlight varies
  • Iodized table salt would be most important to assist with thyroxine synthesis.
  • For osmosis to occur, there must be a semipermeable membrane.
  • Aldosterone is the hormone responsible for promoting the conservation of sodium in the kidney.
  • Chloride is the electrolyte present in the most abundance in gastric digestive fluids.
  • The nervous, cardiovascular, and gastrointestinal systems are the three body systems that can be affected by a thiamin deficiency.
  • Spinach, carrots, and sweet potatoes are good sources of beta-carotene.
  • A 62-year-old woman who lives in a cold climate and rarely goes outdoors is the person most at risk for vitamin D deficiency.
  • Antidiuretic hormone is the hormone that conserves body water.
  • Water retention would be the result of antidiuretic hormone.

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