Diet & Meal Planning：练习题

Why do growing children require a higher proportion of protein per kilogram of body weight compared to sedentary adults?

Which of the following economic and practical factors is most effective for a consumer planning nutritious, cost-effective family meals on a tight budget?

When planning a nutritious, balanced menu for a strict vegan teenager who participates in competitive swimming, which combination of strategies best addresses their key nutritional concerns?

Which mathematical expression correctly represents the condition for a negative energy balance?

During adolescence, why do teenage girls generally require a significantly higher dietary intake of iron compared to teenage boys of the same age?

State the specific dietary restriction that differentiates a vegan from a lacto-ovo vegetarian.

Explain why an adult's energy intake requirement generally decreases as they transition into old age, stating two distinct physiological reasons.

An athlete is in a state of negative energy balance during intense training. Explain how this condition arises and its direct consequence on the athlete's body mass.

Meal planning involves understanding nutritional requirements across various life stages and religious dietary rules.

(a) Explain why teenage girls have a higher daily dietary requirement for iron compared to teenage boys of the same age. [1]

(b) State one specific religious dietary rule observed in each of the following religions when preparing food:
(i) Islam (Halal dietary laws) [1]
(ii) Hinduism [1]

(c) State one psychological factor that can influence an individual's personal food choices. [1]

Meal planning is essential to ensure that nutritional needs are met while considering various limiting factors.

(a) Explain what is meant by a balanced diet.
(b) A family is planning a celebratory dinner for their 75-year-old grandfather who has difficulty chewing. Suggest two physiological factors and one economic factor the family should consider when planning this meal.
(c) Define the concept of energy balance and explain how it relates to weight management.