Energy Balance and Storage Quiz

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Questions and Answers

What is one of the nutrition-related complications of pregnancy that requires diet control?

  • Heartburn
  • Constipation
  • Gestational diabetes (correct)
  • Pre-eclampsia

What is a key indicator of adequate nutrient intake in children?

  • Growth monitoring using BMI-for-age charts (correct)
  • Exposure to diverse foods
  • Parental modeling of healthy eating
  • Family mealtime practices

How many additional calories are needed during the second and third trimesters of pregnancy?

  • 100–150 kcal/day
  • 500–600 kcal/day
  • 350–450 kcal/day (correct)
  • 200–300 kcal/day

What hormonal benefit is associated with breastfeeding?

<p>Releases oxytocin (D)</p> Signup and view all the answers

What daily intake of iron is generally recommended during pregnancy?

<p>27 mg/day (B)</p> Signup and view all the answers

Which factor contributes to the psychosocial effects experienced by obese adolescents?

<p>Social rejection and bullying (C)</p> Signup and view all the answers

What trend has been observed in obesity rates among children since 2004?

<p>Continued stabilization (C)</p> Signup and view all the answers

Which substance should be avoided during pregnancy due to its harmful effects?

<p>Alcohol (B)</p> Signup and view all the answers

Which of the following is a mental health risk that may be experienced by mothers who exclusively breastfeed?

<p>Postpartum depression (A)</p> Signup and view all the answers

What is the essential macronutrient requirement for protein during pregnancy?

<p>71 g/day (A)</p> Signup and view all the answers

What is a physical risk associated with breastfeeding?

<p>Sore nipples (B)</p> Signup and view all the answers

What is a common characteristic of metabolic syndrome in adolescents?

<p>High triglycerides and large waist circumference (A)</p> Signup and view all the answers

How do children typically develop their eating habits?

<p>Influenced by family practices and social learning (C)</p> Signup and view all the answers

Which is an advantage of bottle feeding?

<p>Allows for nutritional control (D)</p> Signup and view all the answers

What amount of folate is recommended daily to help prevent neural tube defects during pregnancy?

<p>600 µg/day (B)</p> Signup and view all the answers

What is a significant disadvantage of bottle feeding?

<p>Cost of formula (C)</p> Signup and view all the answers

What is the purpose of increasing fluid intake to about 3 liters per day during pregnancy?

<p>To support increased blood volume and amniotic fluid production (C)</p> Signup and view all the answers

Why do infants and young children have higher energy needs compared to adults?

<p>Rapid growth and development (A)</p> Signup and view all the answers

What happens when children fall below the third percentile in growth monitoring?

<p>They may indicate dietary imbalances (C)</p> Signup and view all the answers

What is one of the noted deficiencies in the diet of Canadian children and youth?

<p>Low intake of fruits and vegetables (D)</p> Signup and view all the answers

What impact can malnutrition during pregnancy have on fetal outcomes?

<p>Preterm delivery, low birth weight, or developmental issues (C)</p> Signup and view all the answers

What trend was observed regarding sugary drinks and high-energy beverages from 2004 to 2015?

<p>Decreased consumption (C)</p> Signup and view all the answers

Which factor is NOT considered when assessing the risk of chronic diseases?

<p>Immune Response (A)</p> Signup and view all the answers

What dietary behavior is characterized by children preferring only certain foods?

<p>Temporary food preferences known as food jags (C)</p> Signup and view all the answers

What issue is highlighted regarding the dietary intake of Canadian children aged 4-13?

<p>High fast food intake (B)</p> Signup and view all the answers

What is a significant benefit of regular exercise aside from weight loss?

<p>Enhanced cardiovascular health (A)</p> Signup and view all the answers

Which approach emphasizes weight loss as the primary goal of dietary interventions?

<p>Weight Focused Approach (WFA) (C)</p> Signup and view all the answers

What can be a negative consequence of the Weight Focused Approach?

<p>Weight stigma and psychological impacts (A)</p> Signup and view all the answers

Which technique is part of non-weight-focused approaches to nutrition therapy?

<p>Intuitive Eating (B)</p> Signup and view all the answers

How does exercise contribute to improved sleep quality?

<p>By promoting better sleep patterns (B)</p> Signup and view all the answers

Which of the following statements best describes Health at Every Size® (HAES®)?

<p>Promotes health improvements without weight loss focus (C)</p> Signup and view all the answers

What aspect of behavioral factors may influence chronic disease risk?

<p>Physical activity levels (D)</p> Signup and view all the answers

What is the recommended percentage of energy that infants need from fat between the ages of 1 and 3 years?

<p>30–40% (D)</p> Signup and view all the answers

What is a consequence of malnutrition that affects physical health?

<p>Increased risk of cognitive impairment (B)</p> Signup and view all the answers

Which group is noted to have a higher prevalence of malnutrition upon hospital admission?

<p>Older adults and children (B)</p> Signup and view all the answers

Which of the following is NOT a sign of readiness for a child before introducing solids?

<p>Eats solid foods with no choking risks (A)</p> Signup and view all the answers

What is a key principle of Baby-Led Weaning (BLW)?

<p>Allow the baby to self-feed finger foods (C)</p> Signup and view all the answers

What is one of the primary causes of malnutrition?

<p>Chronic diseases (C)</p> Signup and view all the answers

How much protein does a 2-year-old require daily?

<p>13g (B)</p> Signup and view all the answers

Which technique is commonly used for assessing muscle mass in the diagnosis of sarcopenia?

<p>Dual-energy X-ray absorptiometry (DXA) (D)</p> Signup and view all the answers

What is one advantage of Baby-Led Weaning?

<p>Reduces overall family meal costs (B)</p> Signup and view all the answers

What distinguishes malnutrition from sarcopenia?

<p>Malnutrition can occur with normal muscle strength (C)</p> Signup and view all the answers

According to the Division of Responsibility, what is a parent's primary role?

<p>Decide what, when, and where food is served (A)</p> Signup and view all the answers

What percentage of adults aged 65 and older living in the community are at nutrition risk?

<p>1 in 3 (D)</p> Signup and view all the answers

What is a significant economic impact of malnutrition on healthcare services in Canada?

<p>Increased hospital stay lengths (A)</p> Signup and view all the answers

What is a required daily intake of calcium for children?

<p>700–1,000 mg/day (D)</p> Signup and view all the answers

What role does a child have in the Division of Responsibility regarding food?

<p>Regulate their eating based on hunger and fullness cues (C)</p> Signup and view all the answers

Which option best describes the condition known as sarcopenia?

<p>A progressive muscle mass and strength disorder (C)</p> Signup and view all the answers

Flashcards

Genetic Predisposition

An increased chance of developing a chronic condition due to inherited genes.

Environmental Factors

Conditions like access to healthy food, safe places to exercise, and socioeconomic status that impact health.

Behavioral Factors

Lifestyle choices like diet, exercise, smoking, and alcohol use that contribute to chronic disease risk.

Psychosocial Factors

Mental health, stress, and social support systems affecting overall wellbeing and chronic disease risk.

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Weight Focused Approach (WFA)

Focuses primarily on weight loss through calorie restriction and increased physical activity. Often involves strict rules and can be linked to weight stigma.

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Intuitive Eating

Encourages listening to your body's hunger and fullness cues instead of external rules.

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Mindful Eating

Paying attention to the eating experience, promoting enjoyment, and understanding emotional triggers related to food.

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Health at Every Size® (HAES®)

Promotes health improvement without focusing on weight loss, encouraging body acceptance, and joyful movement.

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Oxytocin release during breastfeeding

Breastfeeding triggers the release of oxytocin, a hormone that helps the uterus contract and reduce postpartum bleeding.

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Breastfeeding and Cancer Risk

Breastfeeding has been linked to a reduced risk of developing breast and ovarian cancer.

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Postpartum Depression and Breastfeeding

The demanding nature of exclusive breastfeeding can contribute to feelings of overwhelm and lead to postpartum depression.

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Sore Nipples during Breastfeeding

Improper latch or frequent feeding can cause pain and soreness in the nipples.

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Breast Engorgement

Painful swelling of the breasts due to milk buildup.

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Mastitis

Inflammation or infection in the breast that often occurs during breastfeeding.

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Nutritional Control with Bottle Feeding

Bottle feeding allows parents to measure and control the amount of formula their baby consumes.

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Fortified Infant Formula

Infant formula is often fortified with nutrients like iron and vitamin D, which may be lacking in breast milk.

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Gestational Diabetes

A condition where blood sugar levels are elevated during pregnancy, typically requiring diet control.

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Pre-eclampsia

A serious pregnancy complication characterized by high blood pressure and protein in the urine, requiring medical attention.

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Preconception Nutrition

Optimizing dietary habits and health before pregnancy to improve outcomes.

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Folate's Role

Essential nutrient during preconception and pregnancy to prevent neural tube defects.

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Increased Energy Needs

Energy requirements typically increase by 350–450 kcal/day in the second and third trimesters to support fetal growth.

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Protein Boost

Protein needs increase during pregnancy to support fetal and maternal tissue development, around 71g/day.

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Fluid Overload

Fluid requirements rise to about 3 liters per day to support increased blood volume and amniotic fluid production.

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Iron's Importance

Iron is crucial for increased blood volume and fetal development, requiring approximately 27mg/day.

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Obesity Trends in Adolescents

The percentage of overweight children doubled from 1978 to 2004, but rates have stabilized in recent years.

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Chronic Disease Risk for Overweight Children

Overweight children are more likely to develop heart disease, diabetes, and hypertension earlier in life.

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Metabolic Syndrome in Youth

About 6% of Ontario youth have metabolic syndrome, which includes a large waist circumference and at least two other risk factors like high blood pressure or high triglycerides.

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Psychosocial Impact of Obesity in Adolescents

Obese adolescents often experience bullying, social rejection, and low self-esteem, creating a cycle of inactivity, overeating, and emotional struggles.

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Family Influence on Eating Habits

Children's eating habits are shaped by family mealtime practices, exposure to diverse foods, and the eating environment.

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Social Learning and Food Preferences

Children are more likely to try new foods if they see their parents or peers eating them.

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Growth Monitoring: Assessing Nutrient Intake

Tracking a child's growth using weight-for-age, length-for-age, and BMI-for-age charts is the best way to assess their nutrient intake.

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Energy Needs in Infancy and Childhood

Infants and young children have higher energy needs relative to body weight compared to adults because of rapid growth and development. A 2-year-old needs around 1,000 kcal/day, rising to 1,600 kcal/day by age 6.

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Fat Needs for Kids

Infants need 30-40% of their energy from fat (1-3 years), decreasing to 25-35% (4-18 years). This is higher than adult recommendations.

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Protein Needs for Kids

A 2-year-old needs 13g of protein daily, increasing to 19g by age 6. Adults need more total protein, but less relative to their body weight.

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Carb Needs for Kids

Children need 45-65% of their energy from carbohydrates, similar to adults. Focus on whole grains, fruits, and vegetables.

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Calcium Needs for Kids

Children need 700-1,000 mg of calcium per day to support growth and bone health, differing from adult needs.

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Vitamin D Needs for Kids

Children need 15µg of vitamin D daily to support growth and bone health, differing from adult needs.

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Sitting Up Without Support

One sign of readiness for solids is that the baby can sit up straight without help and maintain good neck control.

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Baby-Led Weaning (BLW)

A method of introducing solids where babies self-feed finger foods from the start, skipping purées and spoon-feeding.

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Division of Responsibility (DOR)

A feeding approach where parents are responsible for what, when, and where food is served, while children decide how much to eat.

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Malnutrition's Lasting Effects

Long-term consequences of inadequate nutrition, impacting different body systems and overall health. This includes things like muscle loss, weakened immunity, mental decline, and impaired growth.

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Malnutrition in Canada

A widespread issue affecting Canadians, particularly older adults and children, with significant financial and health consequences.

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Prevalence of Malnutrition

A significant proportion of Canadians experience malnutrition, especially upon hospital admission and in long-term care settings.

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Causes of Malnutrition

Multiple factors can contribute to malnutrition, including dietary deficiencies, chronic illnesses, socioeconomic barriers, and mental health issues.

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Sarcopenia

A progressive loss of muscle mass and strength, leading to weakness, falls, and other health issues.

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Diagnosis of Sarcopenia

Identifying sarcopenia involves assessing muscle strength, mass, and physical performance.

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Malnutrition vs. Sarcopenia

While both involve muscle loss, malnutrition maintains normal strength, responding to nutritional interventions, while sarcopenia involves both reduced mass and strength.

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Differentiating Malnutrition, Cachexia, and Frailty

These conditions share some features but differ in their underlying causes and manifestations, requiring specific interventions.

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Study Notes

Energy Balance

  • Energy from carbohydrates, fats, and proteins is converted to ATP through metabolic reactions
  • Processes include breaking down macronutrients and using released energy to synthesize ATP
  • Total energy expenditure (TEE) includes basal metabolism (60-75%), physical activity (15-30%), and thermic effect of food (10%)
  • Basal metabolism includes involuntary bodily functions like breathing, circulation, and temperature regulation
  • Physical activity includes planned exercise and daily activities (NEAT)
  • Thermic effect of food is the energy needed for digesting, absorbing, and storing nutrients
  • Excess energy is stored as glycogen (in liver and muscles) or triglycerides (in adipose tissue)

Storage of Excess Dietary Energy

  • Excess energy is stored as glycogen, primarily when carbohydrate intake is sufficient
  • Glycogen is stored in the liver and muscles
  • Triglycerides are stored in fat cells (adipocytes)
  • Adipocytes can grow or shrink based on fat accumulation

Measuring Energy Expenditure

  • Methods for measuring energy expenditure include direct and indirect calorimetry, and doubly labeled water
  • Direct calorimetry measures the heat produced by the body in an insulated chamber
  • Indirect calorimetry measures oxygen use and carbon dioxide production by measuring breathing
  • Doubly labeled water measures total energy expenditure using isotopes of oxygen and hydrogen

Factors Influencing Energy Expenditure

  • Body weight and composition
  • Gender
  • Age
  • Growth rate (in children)
  • Body temperature
  • Thyroid hormone levels
  • Energy intake (calories consumed)
  • Physical activity levels
  • Genetic factors influence body weight, metabolic rate, body fat distribution, and appetite regulation
  • More than 50 genes are associated with obesity
  • Food intake, satiety, and energy expenditure can be impacted by genetic factors
  • Environmental factors and lifestyle choices affect individual weight
  • Gene-environment interactions influence how genetic factors are expressed

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