DH 209 MIDTERM EXAM QUESTIONS AND ANSWERS
As adults age their caloric intake should decrease because: - CORRECT ANSWER✅✅BMR decreases as
well
The Guidelines that offer nutrient adequacy for groups of a population rather than individuals are -
CORRECT ANSWER✅✅Estimated Average Requirements (EAR)
What do both milk and unsweetened juices contain - CORRECT ANSWER✅✅Naturally occurring sugar
- lactose
- fructose
Name the macronutrients: - CORRECT ANSWER✅✅•Carbohydrates
•Fats
•Protein
•Alcohol
•Water
Which of the 5 macronutrients is the most important to the human body? - CORRECT
ANSWER✅✅Water
Vitamins and minerals are known as: - CORRECT ANSWER✅✅Micronutrients (provide no energy-kcal)
Of the 20 amino acids, how many are indispensible (essential) and what does that mean? - CORRECT
ANSWER✅✅•9 are indispensable (essential) which means they must be obtained in the diet.
•11 are dispensible (non-essential) which means our body can produce them from the indispensible
amino acids
A substance that is obtained from food and promotes growth, maintenance, and repair is a: - CORRECT
ANSWER✅✅Nutrient
,The breakdown of starches in the oral cavity begins with what enzyme? - CORRECT ANSWER✅✅Salivary
amylase
The accessory organs provide essential secretions for digestion and absorption. List the 4 accessory
organs: - CORRECT ANSWER✅✅•Salivary glands
•Liver
•Gallbladder
•Pancreas
The 2 basic types of action on food during the digestion process are: - CORRECT
ANSWER✅✅•Mechanical
- Chewing
- Peristalsis
•Chemical
- Salivary enzymes
- Digestive juices
The sphincter that is located at the base of the esophagus that relaxes and allows food to move into the
stomach is the: - CORRECT ANSWER✅✅Lower esophageal sphincter
What nutrients are absorbed from the large intestines? - CORRECT ANSWER✅✅•Water
•Alcohol
•A few amino acids
The majority of our nutrients are absorbed here: - CORRECT ANSWER✅✅Small Intestine
Nutrients are transported from the GI tract through which vein to the liver? - CORRECT
ANSWER✅✅Portal Vein
, The liver is responsible for the production of bile. What organ stores the bile until its' release? -
CORRECT ANSWER✅✅Gallbladder
For most adults the time it takes for food to travel the entire length of the gut is: - CORRECT
ANSWER✅✅16-24 hours
How long does our food remain in the stomach during the digestive process? - CORRECT ANSWER✅✅3-
4 hours
Proteases, amylases, and lipases are responsible for the digestion of dietary proteins, carbohydrates,
and fats. They are known as: - CORRECT ANSWER✅✅Enzymes
The 3 classifications of carbohydrates are: - CORRECT ANSWER✅✅•Monsaccharides
•Disaccharides
•Polysaccharides
The Kreb's cycle is the aerobic oxidation of glucose which produces the following: - CORRECT
ANSWER✅✅CO2, H20, and ATP
The loss of smell is known as: - CORRECT ANSWER✅✅Anosmia
The sense of taste is: - CORRECT ANSWER✅✅Gustatory
The result of acids produced by fermentable carbohydrates combining with acidogenic bacteria on the
dentition is: - CORRECT ANSWER✅✅Demineralization
Name the food group from MyPlate that contains the least amount of carbohydrates: - CORRECT
ANSWER✅✅- Meat
- Poultry
- Fish
As adults age their caloric intake should decrease because: - CORRECT ANSWER✅✅BMR decreases as
well
The Guidelines that offer nutrient adequacy for groups of a population rather than individuals are -
CORRECT ANSWER✅✅Estimated Average Requirements (EAR)
What do both milk and unsweetened juices contain - CORRECT ANSWER✅✅Naturally occurring sugar
- lactose
- fructose
Name the macronutrients: - CORRECT ANSWER✅✅•Carbohydrates
•Fats
•Protein
•Alcohol
•Water
Which of the 5 macronutrients is the most important to the human body? - CORRECT
ANSWER✅✅Water
Vitamins and minerals are known as: - CORRECT ANSWER✅✅Micronutrients (provide no energy-kcal)
Of the 20 amino acids, how many are indispensible (essential) and what does that mean? - CORRECT
ANSWER✅✅•9 are indispensable (essential) which means they must be obtained in the diet.
•11 are dispensible (non-essential) which means our body can produce them from the indispensible
amino acids
A substance that is obtained from food and promotes growth, maintenance, and repair is a: - CORRECT
ANSWER✅✅Nutrient
,The breakdown of starches in the oral cavity begins with what enzyme? - CORRECT ANSWER✅✅Salivary
amylase
The accessory organs provide essential secretions for digestion and absorption. List the 4 accessory
organs: - CORRECT ANSWER✅✅•Salivary glands
•Liver
•Gallbladder
•Pancreas
The 2 basic types of action on food during the digestion process are: - CORRECT
ANSWER✅✅•Mechanical
- Chewing
- Peristalsis
•Chemical
- Salivary enzymes
- Digestive juices
The sphincter that is located at the base of the esophagus that relaxes and allows food to move into the
stomach is the: - CORRECT ANSWER✅✅Lower esophageal sphincter
What nutrients are absorbed from the large intestines? - CORRECT ANSWER✅✅•Water
•Alcohol
•A few amino acids
The majority of our nutrients are absorbed here: - CORRECT ANSWER✅✅Small Intestine
Nutrients are transported from the GI tract through which vein to the liver? - CORRECT
ANSWER✅✅Portal Vein
, The liver is responsible for the production of bile. What organ stores the bile until its' release? -
CORRECT ANSWER✅✅Gallbladder
For most adults the time it takes for food to travel the entire length of the gut is: - CORRECT
ANSWER✅✅16-24 hours
How long does our food remain in the stomach during the digestive process? - CORRECT ANSWER✅✅3-
4 hours
Proteases, amylases, and lipases are responsible for the digestion of dietary proteins, carbohydrates,
and fats. They are known as: - CORRECT ANSWER✅✅Enzymes
The 3 classifications of carbohydrates are: - CORRECT ANSWER✅✅•Monsaccharides
•Disaccharides
•Polysaccharides
The Kreb's cycle is the aerobic oxidation of glucose which produces the following: - CORRECT
ANSWER✅✅CO2, H20, and ATP
The loss of smell is known as: - CORRECT ANSWER✅✅Anosmia
The sense of taste is: - CORRECT ANSWER✅✅Gustatory
The result of acids produced by fermentable carbohydrates combining with acidogenic bacteria on the
dentition is: - CORRECT ANSWER✅✅Demineralization
Name the food group from MyPlate that contains the least amount of carbohydrates: - CORRECT
ANSWER✅✅- Meat
- Poultry
- Fish
