WK 9: Macronutrients
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Questions and Answers

What percentage of protein digestion is initiated in the stomach?

  • 20-25%
  • 5-10%
  • 30-35%
  • 10-15% (correct)

Where does the majority of carbohydrate digestion take place?

  • Small intestine (correct)
  • Stomach
  • Large intestine
  • Mouth

What percentage of fat digestion is initiated in the stomach?

  • 5-10%
  • 15-20% (correct)
  • 20-25%
  • 10-15%

What is the primary site of protein digestion?

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

What is the primary enzyme responsible for carbohydrate digestion in the mouth?

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

What is the primary enzyme responsible for fat digestion in the small intestine?

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

What is the term for the inability to digest lactose?

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

What is the term for a diet rich in fatty foods and low in exercise?

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

What is the term for the process of breaking down carbohydrates into glucose?

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

What is the term for the process of breaking down proteins into amino acids?

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

What is the rank of energy production from macronutrients?

<p>Fats &gt; Protein &gt; Carbohydrates (C)</p> Signup and view all the answers

What is the primary function of lactase in the body?

<p>Breakdown of lactose (B)</p> Signup and view all the answers

What is the name of the disease associated with high levels of LDL and cholesterol?

<p>Coronary artery disease (B)</p> Signup and view all the answers

What is the primary role of dietary macronutrients?

<p>Proper cell, tissue, and body function (A)</p> Signup and view all the answers

What is the consequence of excess consumption of dietary macronutrients?

<p>Significant negative effect on health (C)</p> Signup and view all the answers

What is the relationship between macronutrient composition and health?

<p>Macronutrient composition has a significant effect on health (D)</p> Signup and view all the answers

What is the primary role of carbohydrates in the body?

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

What is the primary role of proteins in the body?

<p>Building and repairing tissues (D)</p> Signup and view all the answers

What is the primary role of fats in the body?

<p>Structural component of cells (B)</p> Signup and view all the answers

Why is a balanced diet essential?

<p>To maintain a healthy lifestyle and prevent diseases (A)</p> Signup and view all the answers

What is the most abundant organic molecule?

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

Which macronutrient provides a fast source of energy to cells that rely on glucose as the primary energy source?

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

Where are monosaccharides and oligosaccharides found?

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

Which macronutrient is classified as a complex carbohydrate and acts as the energy store for plants?

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

What is the primary function of triglycerides in the body?

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

Which fatty acids include omega-3 and omega-6 and are found in fish and seafood?

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

What is the main role of phospholipids in the body?

<p>Build cell membranes (C)</p> Signup and view all the answers

Which macronutrient is the preferred energy source for the body and provides about 4.3 kcal/g?

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

What is the primary function of lipoproteins like LDL in the body?

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

Which macronutrient can modulate blood glucose and aid in reducing blood cholesterol?

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

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