study guide Flashcards

(70 cards)

1
Q

feelings of satiety

A

state of fullness gratified beyond the point of satisfaction, the opposite of hunger.

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2
Q

hunger hormone

A

ghrelin

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3
Q

satiety hormone

A

leptin: assists in weight regulation

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4
Q

BODY FAT PERCENT
Average Americans (what ppl really are):
HEALTHY….
African American:
Asian:
Caucasian:
Top Athletes:

A

M: 22% F: 32%
M: 12% F: 19%
M: 18% F: 25%
M: 15% F: 22%
M: 3-12% F: 10-18%

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5
Q

juvenile-onset obesity

A

-infancy and childhood
-increased number of adipose cells
~ have long lifespan and need to store fat making it harder to lose weight.

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6
Q

adult-onset obesity

A

-adulthood
-larger but fewer adipose cells
~but if weight gain continues # of cells will increase

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7
Q

BMR

A

~ Minimum energy expended to keep a resting, awake body
alive
~ 60-70% of total energy needs
~ Includes energy needed for maintaining heartbeat,
respiration, body temperature
~ Amount of energy needed for basal metabolism varies
between individuals

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8
Q

BMI

A

~Underweight: 18.5
~Healthy weight: 18.5-24.9
~Overweight: 25-29.9
~Obese: 30-39.9
~Severely obese: >40

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9
Q

obesity can cause what?

A

~high blood pressure
~high cholesterol
~type 2 diabetes
~sleep apnea

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10
Q

upper body obesity - apple shape

A

~ associated with cardiovascular disease, hypertension, type 2 diabetes
~ testosterone and excessive alcohol
~ Abdominal fat is released into the liver and promotes inflammation in the body
~ After menopause, upper-body obesity
more common
~ Waist measurement of > 40” for men
~ Waist measurement of > 35” for women

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11
Q

lower body obesity - pear shape

A

~ Encouraged by
estrogen and
progesterone
~ Fewer health risks
than upper body
obesity

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12
Q

TEF ~ thermal effect on food

A

refers to the energy expended by our bodies to digest, absorb, and metabolize the nutrients from the food we consume
increased by larger meals instead of multiple small meals
carbs & protein but low intake

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13
Q

physical activity

A

any muscle movement that increases energy expenditure

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14
Q

Leisure time physical activity

A

any activity unrelated to a person’s
occupation
~hiking, walking, biking

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15
Q

BMI v body fat percentage

A

BMI is a rough estimate of body fat that reflects body weight adjusted for height. Body fat percentage directly calculates a person’s relative body composition without considering the height or weight.

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16
Q

FITT principle

A

~ (F)requency—the frequency of physical
activity varies with fitness goals
~ (I)ntensity—determining proper intensity
may be based on maximal heart rate
~ (T)ime of activity—whether the total
activity time is an accumulation of
activities or completed all at once
~ (T)ype determines the above

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17
Q

Types of exercise:
-Aerobic
-Anaerobic
-Strength
-Flexibility

A

Aerobic- jogging, dancing, swimming; body uses oxygen to fuel muscle.
(endurance)

Anaerobic- sprinting, heavy weightlifting; body uses glucose for quick energy
(power)

strength- goal to increase muscle strength; weightlifting, push/pull ups; resistance bands
(muscle)

flexibility- stretching, yoga, Pilates
(movement)

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18
Q

obesity v nature

A

~identical twins have similar weight after separated at birth
~ our genes

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19
Q

Nature and
Nurture

A

~ Obesity is nurture allowing nature to express itself
~ Location of fat is influenced by genetics
~Child of obese parents is especially at risk
~ Increased physical activity and moderate calorie intake can promote healthy weight

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20
Q

set-point theory

A

~body has a natural mechanism that maintains a set body weight after attaining a certain age,

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21
Q

Rating of Perceived Exertion (RPE)

A

~ How fast you’re breathing.
~ How fast your heart is beating.
~ How tired your muscles are.
~ How much you’re sweating.

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22
Q

energy used during exercise

A

ATP- energy carrying molecule; immediate direct energy, stores enough energy for 1-3 secs;

Phosphocreatine (PCr)- replenishes ATP; high-energy compound; quick “explosive” exercise

glucose- short to moderate bursts 10 secs- 2mins

fat- fatty acids, triglycerides, long moderate activities 20+ mins

protein- over long duration; or when extreme energy shortage

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23
Q

Healthy Habits discussed that help health regardless of weight

A
  • physical activity
  • no smoking/limited drinking
  • nutritious dietary intake
  • sleep
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24
Q

Anorexia Nervosa

A

A disorder characterized by intense fear of gaining weight, severely restricted food intake, and distorted body image.

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25
Atypical Anorexia
All the psychological features of Anorexia Nervosa, but the person is not underweight (may be within or even above the “normal” weight range).
26
OSFED
A diagnostic category for disordered eating that causes significant distress or impairment but doesn’t meet full criteria for other eating disorders like Anorexia, Bulimia, or Binge Eating Disorder.
27
Bulimia Nervosa
A serious eating disorder characterized by repeated episodes of binge eating followed by compensatory behaviors to prevent weight gain (like vomiting, fasting, or over-exercising).
28
Binge Eating Disorder
A serious eating disorder marked by recurring episodes of eating large quantities of food, often very quickly and to the point of discomfort, without compensatory behaviors (like purging or excessive exercise).
29
Amenorrhea
The absence of menstrual periods in someone of reproductive age.
30
Diabulimia
When a person with Type 1 Diabetes deliberately restricts or skips insulin to lose weight Intentional insulin omission to induce weight loss Can occur alongside body image concerns and disordered eating Often involves other eating disorder behaviors (restricting, bingeing, purging)
31
PICA:
A disorder involving the persistent eating of non-food, non-nutritive substances for at least 1 month.
32
ARFID: Avoidant /Restrictive Food Intake Disorder
An eating disorder where someone avoids or restricts food — not due to body image issues, but because of sensory issues, fear of choking/vomiting, or lack of interest in eating.
33
Adonis Complex – Muscle Dysmorphia
A term for male body image obsession, where individuals feel they must achieve an idealized, muscular, and lean physique — often driven by media and cultural standards.
34
first trimester
* First 13-14 weeks of pregnancy * Rapid increase in cell number and size * Nutritional deficiency or toxicity – Can be harmful to embryo * Medication, radiation, trauma – Can be harmful to embryo * ~ Half of all pregnancies miscarry during the first trimester
35
second trimester
* Fetus begins to look more like an infant * Still susceptible to toxin exposure * Preparation for lactation – Increase of 2 - 4 lb. in breast tissue – Deposit of fat tissue * Nutritional deficiency at this time affects mother’s ability to breastfeed
36
third trimester
* Rapid growth – 2X length – 2X-3X weight * Transfer of fat, calcium, and iron to fetus during the last month * Iron – Fetus may deplete mother’s store of iron if intake is low
37
what is important for lung development
- healthy pregnancy - no smoking or drinking - physical activity - cortisol Surfactant Production (in late pregnancy) - Surfactant is a substance that helps keep the tiny air sacs in the lungs (alveoli) open
38
What is teratogen oxytocin colostrum prolactin placenta
teratogen- substance that can cause birth defects during pregnancy; alcohol, drug use, radiation, infections oxytocin- hormone that causes uterine contractions during labor; helps with milk let-down; known as the love hormone, released when hugging and bonding colostrum- the first milk produced by mother after birth- thick, yellowish, full of antibodies; helps newborns immune system and provides concentrated nutrition prolactin- hormone that stimulates milk production after baby is born; tells the breast to make milk (oxytocin helps release it) placenta- organ that forms inside uterus during pregnancy, connects baby to mom, delivers oxygen, nutrients, and removes waste; baby's lifeline
39
How much weight should women gain during pregnancy in total? How much in each trimester?
total: 25–35 lbs 1st: 1-5 lbs 2nd: 12-15 lbs 3rd: 8-10 lbs
40
How many calories should pregnant woman eat?
1st: no extra kcal needed 2nd: extra 340 kcal 3rd: extra 450 kcal
41
How much extra protein do pregnant women need?
pre-pregnancy protein needs: ~46–56 grams/day During pregnancy: +25 grams/day Total intake: 71 grams per day in 2nd and 3rd tri
42
Why is exercise helpful throughout pregnancy
~ regulated weight gain ~ enhances cardiovascular health ~ Reduces the Risk of Gestational Diabetes ~ helps with labor delivery ~ supports babies health
43
What type of foodborne illness is especially dangerous for pregnant women?
listeriosis
44
What is pre-eclampsia, eclampsia, gestational diabetes, morning sickness
pre-eclampsia- pregnancy complication w high blood PRESSURE and organ damage; causes swelling, weight gain, protein in urine eclampsia- severe form of pre-eclampsia; causes seizures during pregnancy; life threatening for mom and baby gestational diabetes- high blood SUGAR that develops during pregnancy; can cause large babies, early birth, or higher risk of type 2 diabetes for mom; morning sickness- normally happens during 1st trimester, caused because of hormone changes (rise of hCG)
45
What is a low-birth-weight infant? What is an average weight infant?
less than 5.5 lbs 7 lbs 5 oz
46
What is Failure to Thrive - FTT
FTT occurs when a baby fails to gain weight or grow at a rate that is considered normal for their age. It’s typically diagnosed when a baby’s growth falls below the 5th percentile for weight or when weight gain is significantly slower than expected.
47
Why should infants only drink breast milk or formula? How long should they drink it exclusively?
~ complete nutrition, digestibility, optimal growth and development ~ 6 months
48
What are the benefits of breastfeeding for mom and baby
Baby- nutrients, stronger immunity (antibodies), lowers risk of illness, healthy weight, helps w brain development mom- faster recovery (helps uterus shrink back faster thanks to oxytocin release), burns calories and helps w postpartum weight loss, lowers risk of disease, stronger bonding
49
What are barriers to breastfeeding
Physical barriers: pain, low milk supply, health issues Emotional barriers: lack of confidence, stress, postpartum depression Social barriers: lack of support, cultural stigma, pressure to formula-feed Environmental barriers: workplace issues, inadequate facilities, lack of support Medical barriers: health conditions, infant feeding issues, previous challenges Formula feeding convenience: perceived ease and misconceptions
50
When do we offer “solid food”? Why? What runs out around 4-6 months of age? What is the typical first food?
we offer solid food at 4-6 months bc they start to show signs that they're ready for them when born, they have a reserve of iron that runs low around 4-6 months iron-fortified baby cereal often mixed w breast milk or formula
51
Why is snacking important for kids?
~ promotes healthy eating habits ~ brain function ~ steady energy levels ~ helps with nutritional needs
52
Why does appetite change so much?
~ growth spurts ~ developmental changes ~ illness ~ stress ~ routine & timing
53
What is recommended in terms of treating childhood obesity?
create healthy eating habits, cutting out sugar, lower meal portions, physical activity, limit screen time, positive reinforcement from fam
54
How do we encourage preschool children to eat new foods?
~Serve new foods ~Repeat exposure ~One-bite rule ~Prefers crisp textures and mild flavors ~Parents/caregivers must teach by example ~Make mealtime a happy time ~ presentation - food shapes
55
As we enter our older years how do calorie needs, nutrient needs, and protein needs change?
calorie needs- decrease due to slower metabolism and less activity; eat smaller portions of food that are rich in nutrients so that you don't get too many calories, but you still get enough nutrients nutrient needs- Increased focus on calcium, vitamin D, B vitamins, magnesium, fiber, and omega-3 fatty acids. protein needs- increase because of muscle loss; RDA instead of 0.8, it goes to 1.0-1.2
56
What minerals are teenage girls often low in
~ iron ~calcium ~magnesium ~zinc ~vitamin D
57
Relative energy needs do what as we age
Infancy and Early Childhood: High relative energy needs due to rapid growth and development. Childhood: Steady energy needs, with an emphasis on supporting growth and activity. Adolescence: Peak energy needs during puberty, influenced by rapid growth and increased activity. Young Adults: Stabilized energy needs, influenced by muscle maintenance and activity levels. Middle Age: Gradual decline in energy needs due to decreased metabolism and muscle mass. Older Adults: Continued decrease in energy needs due to muscle loss, slower metabolism, and decreased activity, but still requires nutrient-dense foods.
58
Sarcopenia is... Sarcopenic obesity is...
loss of muscle mass, strength, and function that naturally occurs as people age, usually starting around the age of 30. a condition where a person has both excess fat and low muscle mass
59
Compression of morbidity
refers to the idea of delaying the onset of chronic diseases and disabilities to later in life, thereby shortening the period of time an individual experiences poor health before death.
60
Reserve capacity
refers to the ability of the body’s systems to cope with stress or a demand that exceeds normal levels of function.
61
life expectancy v life span
LE: average number of years a person can expect to live, based on the statistical average for people of the same age, gender, and geographical location. LS: maximum number of years a human being can live. It’s different from life expectancy, which is the average age at death.
62
DASH Diet (Dietary Approaches to Stop Hypertension)
designed to help lower high blood pressure (hypertension) and improve heart health. ~ fruits, veggies, whole grains, healthy fats ~ low in sodium, lean proteins, low-fat dairy ~ limited sugary drinks and sweets
63
Mediterranean Diet
radiational eating patterns of countries bordering the Mediterranean Sea and is designed to promote overall health, particularly heart health. ~ fruits, veggies, whole grains, healthy fats, fish, nuts ~ limited red meats ~ moderate dairy
64
How does thirst, taste, smell change?
thirst sensation decreases, dehydration risk increases taste sensitivity decreases, dry mouth, medication messes w taste loss of olfactory function, nasal passages start to change and make it harder to detect odor
65
MIND Diet (Mediterranean-DASH Diet Intervention for Neurodegenerative Delay)
hybrid of the Mediterranean diet and the DASH diet, specifically designed to reduce the risk of Alzheimer’s disease and other forms of dementia, as well as promote brain health as we age. ~ leafy greens, berries, nuts, whole grains, fish, olive oil, beans poultry - two servings per week moderate wine
66
Blue Zones
regions of the world where people live significantly longer, healthier lives, often reaching 100 years or older.
67
What are people doing to try and live longer than has shown some promise?
~ calorie restriction ~ fasting ~ supplements
68
Fountain of Youth?
myth, scientific advancements in longevity are showing potential to extend life and enhance health during old age. The key is likely a combination of healthy lifestyle choices, innovative therapies, and ongoing scientific research.
69
Reduces risk of hemorrhage at birth
vitamin k shot
70
what surrounds and protects the fetus until birth
amniotic sac