NSC-419 Quiz 4

Which of the following is NOT a function of iodine?

Collagen formation

Which of the following would MOST likely result from iodine deficiency?

Goiter

Which of the following is NOT a symptom of iodine deficiency?

Increase in basal metabolic rate (BMR)

Which of the following foods is a rich natural source of iodine?

Seaweed

Which of the following is NOT a role of iodine in the body?

Supports reproduction

Which nutrient is most important for bone structure?

Calcium

Which mineral is most involved in ATP production?

Phosphorus

Excess phosphorus can cause what?

Calcium imbalance and bone loss

What helps calcium absorption?

Vitamin D

What is the primary function of iron?

Oxygen transport in hemoglobin

Which group is MOST at risk for iron deficiency?

Pregnant women

Which of the following decreases iron absorption?

Tea or coffee

Iron deficiency most commonly leads to what condition?

Anemia

Which of the following is a key function of zinc?

Immune function

What is a major function of selenium?

Antioxidant protection

Which disease is caused by niacin deficiency?

Pellagra

Which amino acid can be converted into niacin?

Tryptophan

Which diet pattern increases risk of niacin deficiency?

Corn-based diet

What is the primary role of pantothenic acid (B5)?

Coenzyme A for energy metabolism

Where is vitamin B5 absorbed?

Jejunum

Which statement about vitamin B5 deficiency is true?

It is rare

Vitamin B6 is mainly involved in what?

Protein metabolism

Vitamin B6 helps produce what?

Neurotransmitters

Vitamin B6 deficiency can cause what?

Anemia

Too much vitamin B6 can cause what?

Nerve damage

What is another name for vitamin B7?

Biotin

Which of the following blocks biotin absorption?

Raw egg whites

What is the primary function of biotin?

Energy metabolism

Where is biotin absorbed?

Small intestine

What is a major function of folate (vitamin B9)?

DNA synthesis

Which condition can result from folate deficiency?

Anemia

Too much folate can mask deficiency of which vitamin?

Vitamin B12

What is required for vitamin B12 absorption?

Intrinsic factor

Where is vitamin B12 absorbed?

Ileum

What is a function of vitamin B12?

Nerve cell maintenance

Which group is at highest risk for B12 deficiency?

Vegans

What is a primary function of vitamin C?

Collagen formation

Which disease results from vitamin C deficiency?

Scurvy

Vitamin C improves absorption of which mineral?

Iron

What is the main role of vitamin E?

Antioxidant protection

Vitamin E deficiency can cause what?

Difficulty walking

Too much vitamin E may cause what?

Increased bleeding

What is the primary function of vitamin K?

Blood clotting

Vitamin K absorption depends on what?

Dietary fat

Vitamin K deficiency leads to what?

Excessive bleeding

What effect does alcohol have on sleep?

Reduces REM sleep and disrupts circadian rhythm

Which amino acid is associated with improved sleep?

Tryptophan

What is a food allergy?

Immune system reaction

What is a food intolerance?

Digestive issue

What is the purpose of an elimination diet?

Identify trigger foods by removing and reintroducing them