WEEK 8 Flashcards
plus lecture flashcards from week 9
Digestion
When the body breaks down food into simple substances that can be used as nutrients or excreted as waste
peristalsis
Involuntary muscle contractions that occur throughout the digestive system that move food along the pathway to be digested
What initiates the process of decomposing food?
saliva
how long does food remain in the stomach?
2 to 8 hours
liver functions
Removes toxins from the blood and produces bile, which breaks down carbohydrates, proteins, and fats
gallbladder functions
Stores bile and then releases it when the body needs it.
pancreas functions
Aides in the metabolism of sugar by producing insulin.
small intestine
Where food is broken down and the majority of the nutrients are absorbed
large intestine
Removes electrolytes and water from food while turning it into waste.
rectum
storage area for feces at the end of the large intestine
what does a healthy weight-loss plan consist of?
losing 1 to 2 pounds per week
what can a weight-loss of just 5% to 10% of total body weight improve?
blood pressure
blood glucose
cholesterol levels
what are the two nutrient categories
macronutrients and micronutrients
macronutrients
Building blocks of a diet, which include carbohydrates, fat, and protein.
micronutrients
vitamins and minerals; only small amounts of these nutrients are required in the diet.
optimal for growth, development, and body function
protein
the major building block of the body
provide amino acids that the body needs to build and repair muscle
carbohydrates
The digestive system turns carbohydrates into sugar to provide the body’s cells, organs, and tissues with the energy they need to function.
need the most of these in your diet
glycemic index
A carbohydrate-containing food’s ability to increase the body’s blood glucose level.
fats
Essential nutrient that help the body absorb vitamins while providing energy.
monounsaturated fats are good, trans fats are found in lots of processed foods
vitamins
Carbon-based organic micronutrients that promote health and support optimal functioning of the body.
fat-soluble vitamins
Vitamins that do not dissolve in water but instead are dissolved in fats.
water-soluble vitamins
Vitamins that are carried to the tissues of the body but are not stored in the body.
include vitamin C and B complex
minerals
Noncarbon, inorganic nutrients that promote health and support optimal functioning of the body.
include iron, zinc, and calcium
foods that have a high glycemic index
potatoes, white bread, and processed snack foods
calorie density
The number of calories a food contains related to its volume or weight.
how to calculate net carbs
In order to calculate net carbs, take the TOTAL carbs per serving and SUBTRACT the fiber and alcohol sugars
BMI
body mass index
pounds/height in inches
then, that number/height in inches
then, times that number by 703
normal BMI/healthy BMI
18.5-24.9
underweight BMI
less than 18.5
over weight BMI
25-29.9
obese BMI
30 or greater
antioxidants
Substances, commonly found in plant-based foods, that protect the cells against free radicals.
free radicals-promote the development of cancer, heart disease, and other diseases.
what does a diet with adequate protein intake help
prevent brittle hair and hair loss.
Assessing the condition of a person’s hair and skin can give an indication of their nutritional status.
omega-3 fatty acids
Found in a number of foods, mainly fish. Fish oil supplements are the most common nonvitamin/nonmineral natural product taken by adults and children.
help with brain health
A nurse is discussing dietary needs with a client. The client states, “I usually eat one or more meals per day from a drive-through restaurant. I know it’s not the best diet, but I take a vitamin every day.” Which of the following responses should the nurse make?
“A vitamin won’t replace poor eating habits. Let’s find ways to improve your overall diet.”
heart-healthy diet
Promotes cardiovascular health through controlling portion, eating a varied diet, and watching sodium intake.
a healthy adult should consume no more than how many mg of sodium a day?
2300 mg
renal diet
Diet for individuals with kidney disease that limits intake of sodium, potassium, and phosphorus.
A nurse is caring for a client who is scheduled for an upcoming procedure with sedation. Which of the following diets should the nurse expect the provider to prescribe?
NPO
warfarin
anticoagulant
dysphagia
difficulty swallowing
medical conditions that can put a client at risk for aspiration
acid reflux
mouth sores
stroke
dental issues
overt aspiration
Aspiration causing symptoms such as coughing or trouble breathing, wheezing, congestion, heartburn, etc
silent aspiration
aspiration with no obvious symptoms
Diet modifications can help prevent aspiration in the client who has dysphagia
thickening of liquids with gels and powders
are thicker or thinner liquids easier to aspirate?
thinner
stages of thickening liquids
nectar
honey
spoon-thick