30 Questions
What percentage of protein digestion is initiated in the stomach?
10-15%
Where does the majority of carbohydrate digestion take place?
Small intestine
What percentage of fat digestion is initiated in the stomach?
15-20%
What is the primary site of protein digestion?
Small intestine
What is the primary enzyme responsible for carbohydrate digestion in the mouth?
Salivary amylase
What is the primary enzyme responsible for fat digestion in the small intestine?
Pancreatic lipase
What is the term for the inability to digest lactose?
Lactose intolerance
What is the term for a diet rich in fatty foods and low in exercise?
Lifestyle causes
What is the term for the process of breaking down carbohydrates into glucose?
Glycolysis
What is the term for the process of breaking down proteins into amino acids?
Proteolysis
What is the rank of energy production from macronutrients?
Fats > Protein > Carbohydrates
What is the primary function of lactase in the body?
Breakdown of lactose
What is the name of the disease associated with high levels of LDL and cholesterol?
Coronary artery disease
What is the primary role of dietary macronutrients?
Proper cell, tissue, and body function
What is the consequence of excess consumption of dietary macronutrients?
Significant negative effect on health
What is the relationship between macronutrient composition and health?
Macronutrient composition has a significant effect on health
What is the primary role of carbohydrates in the body?
Energy production
What is the primary role of proteins in the body?
Building and repairing tissues
What is the primary role of fats in the body?
Structural component of cells
Why is a balanced diet essential?
To maintain a healthy lifestyle and prevent diseases
What is the most abundant organic molecule?
Carbohydrates
Which macronutrient provides a fast source of energy to cells that rely on glucose as the primary energy source?
Carbohydrates
Where are monosaccharides and oligosaccharides found?
Carbohydrates
Which macronutrient is classified as a complex carbohydrate and acts as the energy store for plants?
Carbohydrates
What is the primary function of triglycerides in the body?
Provide energy
Which fatty acids include omega-3 and omega-6 and are found in fish and seafood?
Polyunsaturated fats
What is the main role of phospholipids in the body?
Build cell membranes
Which macronutrient is the preferred energy source for the body and provides about 4.3 kcal/g?
Carbohydrates
What is the primary function of lipoproteins like LDL in the body?
Transport cholesterol
Which macronutrient can modulate blood glucose and aid in reducing blood cholesterol?
Carbohydrates
Test your knowledge on the topics related to macronutrient digestion as discussed in the 7th Edition of Human Anatomy & Physiology (2006). The quiz covers aspects like fat and cholesterol transport, digestion of carbohydrates and proteins, enzymes involved, and energy metabolism.
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