NS 1410 Final Exam – Questions & Complete Solutions
Macronutrients include... Right Ans - Protein
Carbohydrate
Fat (lipid)
Water
Provide energy, maintain and repair body tissue, support growth of new body
tissue
Caloric value of energy from each nutrient (kcal/g) Right Ans -
Carbohydrates = 4 kcal/g
Fat = 9 kcal/g
Protein = 4 kcal/g
Alcohol = 7 kcal/g
Classification of Fat soluble vitamins Right Ans - Vitamins A, D, E, K
- Soluble in fat
- Stored in the human body
- Toxicity can occur from consuming excess amounts which can accumulate in
the body
Classification of water soluble vitamins Right Ans - Vitamins C abd B-
vitamins (8)
- Soluble in water
- Not stored to any extent in the body
- Excess excreted in urine
- Toxicity generally only occurs as a result of vitamin supplements
Function of water Right Ans - A component of almost every body tissue
that participates in metabolic reactions and a medium transport to and from
the cell
RDA: What is it and what does it stand for? Right Ans - "Recommended
Dietary Allowance"
Used for measuring healthy people's energy and nutrient intakes
,The average daily intake level required to meet the needs of 97-98% of most
healthy people in a particular life stage and gender category
*For healthy people only*
Uses of the RDA Right Ans - - To plan and evaluate diets of populations
- Estimate risk of deficiencies over time
- Determine the adequacy of diets in surveys
- Establish guidelines for food assistance programs
- Guidelines for food labeling
- To develop new food products
AMDR Right Ans - Acceptable Macronutrient Distribution Ranges
AMDR for Carbohydrate, Fat, and Protein Right Ans - Carbohydrate = 45-
65%
Fat = 20-35%
Protein = 10-35%
Trust-worthy nutrition experts Right Ans - Reliable experts have education
and credentials such as:
- **Registered Dietician/Nutritionist (RD)**
- Licensed dietician
- Professionals with advance degree (MA, MS, PhD)
- Medical doctor/physician
A healthful diet is... Right Ans - Adequate
Moderate
Balanced
Varied
Guidelines for making health claims
Two columns: FDA category and required disclaimer Right Ans - (A) High:
significant scientific agreement - no disclaimer needed
(B) Moderate: Evidence is not conclusive - "although there is scientific
evidence supporting this claim, the evidence is not conclusive"
,(C) Low: Evidence is limited and not conclusive - "Some scientific evidence
suggests...however, the FDA has determines that this evidence is limited and
not conclusive"
(D) Extremely Low: Little scientific evidence supporting this claim - "Very
limited and preliminary scientific research suggests...FDA concludes there is
little scientific evidence supporting this claim
Which foods are voluntary when is comes to labels? Right Ans - Fresh fruits
vegetables
raw single ingredient meat
poultry
fish
Which foods require a label? Right Ans - Nearly all packaged foods and
processed meat products
Parts of the GI tract and GI system Right Ans - Mouth
Esophagus
Stomach
Small and large intestine
Rectum or anus
Sphincters
Major site of absorption Right Ans - Small intestines
Passive diffusion Right Ans - nutrients simply cross into the enterocytes
without the use of a carrier or energy
Facilitated diffusion Right Ans - required a carrier protein, but no energy,
and is driven by a concentration gradient
Active transport Right Ans - requires energy and a protein carrier to
transport nutrients
Digestive disorder: Heartburn Right Ans - Caused by hydrochloric acid in
the esophagus
, Digestive disorder: GERD Right Ans - Gastroesophageal reflux disease -
painful, persistent heartburn
Treatment:
- Lose weight
- Decrease the amount of fat in your diet
- Sit up for at least 2 hours after eating
- Eat small, frequent meals
Digestive disorder: Diarrhea Right Ans - Frequent passage of loose, watery
stool
Treatment:
Plenty of fluid and electrolyte replacement
Digestive disorder: Constipation Right Ans - Infrequent hard, small,
difficult to pass stools
Treatment:
Eat plenty of dietary fiber, drink more fluids, regular physical activity
Digestive disorder: Hemmorrhoids Right Ans - Swollen veins of the rectum
and anus
Treatment:
Eat plenty of fiber and drink plenty of fluids
Digestive disorders: Ulcers Right Ans - An area of erosion in underlying
layers of cells in an area
Treatment:
- Small frequent meals
- Antibiotics
- Avoid caffeine
- Avoid foods that aggravate your ulcer
- Minimize aspirin use and refrain from smoking
- Don't lie down or recline until 2 hours after eating
- Reduce excess weight
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