wk7

Question 1

What is adolescence defined as in terms of age?

Answer 1

12–18 years

Question 2

What are the key factors that characterize adolescence?

Answer 2

Puberty, hormonal change, psychosocial development

Question 3

What percentage of final adult height is gained during adolescence?

Answer 3

~20–25%

Question 4

What percentage of peak bone mass is achieved during adolescence?

Answer 4

40–50%

Question 5

What hormonal surges increase appetite and drive growth during adolescence?

Answer 5

Growth hormone, oestrogen, testosterone

Question 6

What are the typical energy requirements for adolescents?

Answer 6

8000–12,000 kJ/day

Question 7

How much protein is required for lean tissue synthesis in adolescents?

Answer 7

~1.0 g/kg/day

Question 8

What is the most common nutritional deficiency in adolescents?

Answer 8

Iron deficiency

Question 9

What are contributing factors to iron deficiency in adolescents?

Answer 9

Growth, menstruation, poor dietary intake

Question 10

What are some prevention strategies for iron deficiency?

Answer 10

• Lean red meat
• Legumes
• Vitamin C with meals
• Avoid tea/coffee with iron foods

Question 11

At what age is 90% of peak bone mass achieved?

Answer 11

~18 years

Question 12

What is a consequence of low dairy intake during adolescence?

Answer 12

Long-term osteoporosis risk

Question 13

What factors contribute to overweight and obesity in adolescents?

Answer 13

• Sedentary lifestyle
• Excess energy intake

Question 14

What is a recommended approach to address overweight and obesity?

Answer 14

Balanced meals, physical activity, not restrictive diets

Question 15

What influences disordered eating in adolescents?

Answer 15

• Media
• Peers
• Self-esteem

Question 16

What is the strongest determinant of food choices among adolescents?

Answer 16

Peer influence

Question 17

How does independence affect adolescent eating habits?

Answer 17

More meals eaten away from home

Question 18

What is the impact of sleep deprivation on appetite regulation?

Answer 18

Increased ghrelin, decreased leptin

Question 19

How much physical activity is recommended for adolescents?

Answer 19

60 minutes/day moderate-to-vigorous activity

Question 20

What type of activities should be included for adolescents three times per week?

Answer 20

Muscle- and bone-strengthening activities

Question 21

What guidelines should school canteens follow?

Answer 21

Limit energy-dense, nutrient-poor foods

Question 22

What should health promotion strategies target in adolescents?

Answer 22

• Self-image
• Body positivity
• Lifestyle balance

Question 23

What is one way to model healthy eating patterns for adolescents?

Answer 23

Encourage family meals

Question 24

What are three nutrients of concern in adolescents?

Answer 24

Iron, calcium, protein

Question 25

What is the timing and significance of peak bone mass during adolescence?

Answer 25

Achieved by ~18 years, critical for long-term bone health

Question 26

What are some key social factors influencing adolescent eating habits?

Answer 26

* Peer influence * Independence * Convenience foods

Question 27

What are the risks associated with high caffeine and energy drink consumption?

Answer 27

Increased anxiety, sleep disturbances, potential heart issues

Question 28

How do male and female growth patterns during adolescence differ?

Answer 28

Girls: ~11–12 years (earlier onset, slower duration); Boys: ~13–14 years (later onset, longer duration)

Question 29

What is the RDI for Iron in males?

Answer 29

11 ## Footnote RDI stands for Recommended Dietary Intake.

Question 30

What is the function of Calcium?

Answer 30

Bone accretion

Question 31

What is the RDI for Vitamin D?

Answer 31

5 µg

Question 32

What is the primary function of Folate?

Answer 32

RBC synthesis

Question 33

What is the RDI for Zinc in females?

Answer 33

7 ## Footnote RDI for Zinc in males is 13.

Question 34

What is the recommended daily intake of Fibre?

Answer 34

28–38 g

Question 35

What is the effect of meal skipping?

Answer 35

↓ nutrient intake

Question 36

What is a cause of fast food consumption?

Answer 36

Convenience

Question 37

What is the effect of energy drinks?

Answer 37

Sleep disturbance

Question 38

What is a cause of body image issues?

Answer 38

Social media

Question 39

Fill in the blank: The RDI for Iron in females is _______.

Answer 39

15

Question 40

What nutrient is primarily responsible for oxygen transport?

Answer 40

Iron

Question 41

What role does Vitamin D play in the body?

Answer 41

Ca absorption

Question 42

What nutrient is associated with growth and maturation?

Answer 42

Zinc

Question 43

Fill in the blank: The function of Fibre is _______.

Answer 43

Satiety, bowel health

Question 44

True or False: Meal skipping leads to increased nutrient intake.

Answer 44

False

Question 45

True or False: Fast food typically contains higher levels of fat and sodium.

Answer 45

True