Nutrition and Health Practice Questions

Q: Which of the following statements is correct regarding lactic acid, sorbic acid, and sulphurous acid?

All of these substances are preservatives. ***All of these substances are preservatives*** - **Lactic acid**, **sorbic acid**, and **sulfurous acid** are all commonly used as food preservatives due to their antimicrobial properties. - They inhibit the growth of bacteria, yeasts, and molds, thereby extending the shelf life of food products. *Lactic acid and sorbic acid only* - This option is incorrect because **sulfurous acid** is also a widely recognized food preservative. - While lactic and sorbic acids are preservatives, excluding sulfurous acid makes this statement incomplete. *Sorbic acid and sulphurous acid only* - This option is incorrect as **lactic acid** is also a food preservative. - Lactic acid is naturally present in fermented foods and is added to many products to prevent spoilage. *None of these substances are preservatives* - This option is completely incorrect as **lactic acid**, **sorbic acid**, and **sulfurous acid** are all established and widely utilized food preservatives. - They play crucial roles in food safety and preservation.

Q: What is the recommended daily energy intake in kilocalories for an adult woman engaged in heavy physical labor?

2900. ***2900*** - For an adult woman engaging in **heavy physical labor**, a daily energy intake of around **2900 kcal** is often recommended to meet the increased metabolic demands and prevent energy deficit. - This intake supports **sustained physical performance** and maintenance of body weight during strenuous activities. *1800* - An intake of **1800 kcal** is typically insufficient for an adult woman involved in heavy physical labor, as it may lead to **energy deficit**, fatigue, and potential weight loss. - This level is more appropriate for women with a **sedentary lifestyle** or those aiming for weight loss. *2100* - While slightly more than a sedentary intake, **2100 kcal** would likely still be inadequate for an adult woman performing heavy physical labor, potentially resulting in **suboptimal performance** and recovery. - This range is often suitable for women with **moderately active lifestyles**. *2300* - **2300 kcal** is an improvement over lower estimates but still generally falls short of the energy requirements for an adult woman engaged in **heavy physical labor**, impeding **optimal physiological function**. - This intake is more aligned with individuals involved in **light to moderate physical activity**.

Q: What is the recommended daily intake of milk for a healthy adult with moderate physical activity?

300 ml/day. ***300 ml/day*** - According to **ICMR (Indian Council of Medical Research)** and **National Institute of Nutrition (NIN) guidelines**, the recommended daily intake of milk for a healthy adult is **300 ml per day**. - This amount provides approximately **300-360 mg of calcium**, contributing significantly to the adult requirement of **600 mg/day**. - This recommendation ensures adequate intake of **calcium, protein, vitamin B12, riboflavin, and vitamin A** for bone health and overall nutrition. *250 ml/day* - While this is close to the recommendation, it is **slightly below the ICMR/NIN standard of 300 ml/day**. - This amount would provide adequate nutrition but may fall short of optimal calcium intake without additional dairy sources. *200 ml/day* - This intake is **below the recommended amount** and may not provide sufficient calcium and nutrients for optimal bone health. - Adults consuming this amount would need to supplement with other **calcium-rich foods** like yogurt, cheese, or fortified foods. *150 ml/day* - This is **significantly below the recommended intake** and would be insufficient to meet daily calcium requirements. - Such low intake increases the risk of **calcium deficiency** without substantial dietary supplementation. *100 ml/day* - This is **grossly inadequate** for meeting the daily nutrient needs from milk. - Would require **multiple alternative calcium sources** to reach adequate intake levels.

Q: Which parameter is considered the best for assessing chronic malnutrition?

Height relative to age. ***Height relative to age*** - **Height-for-age** is the best indicator of **chronic malnutrition** (stunting) because it reflects prolonged nutritional inadequacy and retarded linear growth. - A low height-for-age indicates that a child has suffered from long-term nutritional deficits, affecting their growth potential. *Weight relative to age* - **Weight-for-age** is a composite indicator that reflects both acute and chronic malnutrition, but it doesn't differentiate between them. - A low weight-for-age could indicate **wasting** (acute) or **stunting** (chronic), or both. *Weight relative to height* - **Weight-for-height** is the best indicator of **acute malnutrition** (wasting). - It reflects recent and severe weight loss or failure to gain weight, indicating a current nutritional deficit, not necessarily a long-term one. *Circumference of the mid-arm* - **Mid-upper arm circumference (MUAC)** is primarily used as a screening tool for **acute malnutrition** in children, particularly in emergency situations. - While useful for community-based screening, it is not as precise for assessing chronic malnutrition over time compared to height-for-age.

Q: Primary prevention of obesity includes:

High fiber diet. ***High fiber diet*** - A **high fiber diet** promotes satiety, reducing overall caloric intake, which is a key strategy in the **primary prevention of obesity**. - Fiber also aids in **digestive health**, helps regulate blood sugar levels, and reduces energy density of foods, all preventing weight gain. - **High fiber intake is strongly recommended** by WHO and ICMR guidelines for obesity prevention. *Low fiber diet* - A **low fiber diet** can lead to less satiety, potentially increasing overall calorie consumption and contributing to weight gain. - It does not offer the same benefits in terms of digestive regulation or blood sugar control as a high-fiber diet. *High cholesterol diet* - A **high cholesterol diet** is primarily associated with an increased risk of **cardiovascular disease** and does not directly target the mechanisms of obesity prevention. - While some high-cholesterol foods may contribute to high caloric intake, the focus for obesity prevention is on overall caloric balance and nutrient density rather than cholesterol content alone. *High intake of protein* - While **adequate protein intake** is beneficial for satiety and maintaining muscle mass during weight management, it is not the **primary focus** of obesity prevention strategies compared to **high fiber intake**. - Among the given options, **high fiber diet** is the most evidence-based and universally recommended primary prevention strategy for obesity, as emphasized in dietary guidelines worldwide.

Q: According to the nutritional standards for the mid-day meals programme, meals supplied should provide:

1/3 calories and 1/2 proteins. ***1/3 calories and 1/2 proteins*** - The **nutritional standards** for the Mid-Day Meal (MDM) program are designed to supplement a child's daily dietary needs, not fully provide them. - Specifically, they aim to cover **one-third of the caloric requirement** and **half of the protein requirement** for a school-going child. *1/2 calories and 1/2 proteins* - This option incorrectly states that half of the caloric requirement is supplied, while the MDM scheme provides only **one-third of the daily caloric needs**. - While half the protein is correct, the incorrect caloric provision makes this option unsuitable. *1/2 calories and 1/3 proteins* - This option is inaccurate as it proposes half of the caloric requirement, instead of **one-third**, and one-third of the protein requirement, instead of **half**. - The specific proportions of calories and proteins are clearly defined to ensure a balanced supplementary diet. *1/3 calories and 1/3 proteins* - While it correctly states one-third of the caloric provision, it incorrectly suggests only **one-third of the protein requirement** is met. - The MDM program aims to provide a higher proportion of protein (one-half) to ensure adequate intake for growing children.

Q: Which of the following clinical signs is most indicative of vitamin A deficiency in a community?

Night blindness prevalence of 10%. ***Night blindness prevalence of 10%*** - **Night blindness** is the earliest and most common clinical sign of **vitamin A deficiency** (WHO classification X1A/X1B). - A prevalence of **10%** indicates a **severe public health problem** according to WHO criteria (>1% is considered a public health problem). - It affects a large proportion of the population and is the most sensitive indicator for community-level assessment. *Corneal ulcer prevalence of 0.1%* - **Corneal ulcers** (keratomalacia) are a severe, sight-threatening manifestation of **vitamin A deficiency** representing late-stage disease (WHO classification X3). - While serious and requiring urgent intervention, a prevalence of 0.1% indicates fewer affected individuals compared to night blindness. *Conjunctival xerosis prevalence of 0.2%* - **Conjunctival xerosis** is a clinical sign of vitamin A deficiency characterized by dryness of the conjunctiva (WHO classification X1A). - A prevalence of 0.2% is relatively low compared to night blindness, making it less indicative of widespread community-level deficiency. *Bitot spots prevalence of 0.5%* - **Bitot spots** are a specific sign of **vitamin A deficiency**, characterized by foamy, dry patches on the conjunctiva (WHO classification X1B). - A prevalence of 0.5% is higher than other severe signs but still less indicative of widespread deficiency than night blindness.

Q: Yellow color on the new WHO standard mid-upper arm circumference (MUAC) tape correlates to a MUAC of what?

11.5 to 12.5 cm. ***11.5 to 12.5 cm*** - The **yellow segment** on the new WHO standard MUAC tape indicates a moderate nutritional status, corresponding to a MUAC measurement between **11.5 cm and less than 12.5 cm**. - This range identifies children who are at risk of malnutrition or have **moderate acute malnutrition**, requiring closer monitoring or supplementary feeding. *10.5 to 11.5 cm* - This range (specifically, less than **11.5 cm**) is typically represented by the **red segment** on the MUAC tape, indicating **severe acute malnutrition**. - Children in this category require urgent medical referral and treatment for severe acute malnutrition. *12.5 to 13.5 cm* - A MUAC measurement within this range falls into the **green segment** of the tape, indicating a **healthy nutritional status**. - Children with MUAC values in this range are generally considered well-nourished. *13.5 to 14.5 cm* - This range also falls within the **green segment** of the MUAC tape, signifying a **normal nutritional status**. - It indicates that the child is well-nourished and does not show signs of acute malnutrition.

Q: Which of the following is a primary determinant of undernutrition?

Low food intake. ***Low food intake*** - **Low food intake**, meaning insufficient consumption of food, directly leads to a lack of essential nutrients and energy, which is the most fundamental cause of **undernutrition**. - This can be due to various factors like poverty, food insecurity, poor dietary choices, or conditions causing appetite loss, all converging on inadequate nutrient supply. *Low birth weight* - **Low birth weight** is often a *consequence* or a *marker* of undernutrition in the mother or during fetal development, rather than a primary determinant of subsequent undernutrition itself. - While it increases the risk of health problems, including future undernutrition, it's not the initial cause of nutrient deficiency. *Infections* - **Infections** can *exacerbate* undernutrition by increasing nutrient requirements, impairing nutrient absorption, and causing appetite loss. - However, infections are often risk factors or consequences of an already weakened nutritional state, rather than the initial, direct cause of a nutrient deficit. *Less water intake* - **Less water intake** primarily leads to **dehydration**, which affects overall health and nutrient transport but is not a direct cause of **undernutrition** (i.e., a lack of essential calories, proteins, vitamins, and minerals). - While hydration is crucial for health, it is distinct from the intake of macronutrients and micronutrients that define nutritional status.

Question 1

Which of the following statements is correct regarding lactic acid, sorbic acid, and sulphurous acid?

Accepted Answer

All of these substances are preservatives

Answer

Lactic acid and sorbic acid only

Answer

Sorbic acid and sulphurous acid only

Answer

None of these substances are preservatives

Question 2

What is the recommended daily energy intake in kilocalories for an adult woman engaged in heavy physical labor?

Accepted Answer

2900

Answer

1800

Answer

2100

Answer

2300

Question 3

What is the recommended daily intake of milk for a healthy adult with moderate physical activity?

Accepted Answer

300 ml/day

Answer

200 ml/day

Answer

100 ml/day

Answer

150 ml/day

Answer

250 ml/day

Question 4

Which parameter is considered the best for assessing chronic malnutrition?

Accepted Answer

Height relative to age

Answer

Weight relative to age

Answer

Weight relative to height

Answer

Circumference of the mid-arm

Question 5

Primary prevention of obesity includes:

Accepted Answer

High fiber diet

Answer

Low fiber diet

Answer

High intake of protein

Answer

High cholesterol diet

Question 6

According to the nutritional standards for the mid-day meals programme, meals supplied should provide:

Accepted Answer

1/3 calories and 1/2 proteins

Answer

1/2 calories and 1/3 proteins

Answer

1/3 calories and 1/3 proteins

Answer

1/2 calories and 1/2 proteins

Question 7

Which of the following clinical signs is most indicative of vitamin A deficiency in a community?

Accepted Answer

Night blindness prevalence of 10%

Answer

Corneal ulcer prevalence of 0.1%

Answer

Conjunctival xerosis prevalence of 0.2%

Answer

Bitot spots prevalence of 0.5%

Question 8

Yellow color on the new WHO standard mid-upper arm circumference (MUAC) tape correlates to a MUAC of what?

Accepted Answer

11.5 to 12.5 cm

Answer

10.5 to 11.5 cm

Answer

12.5 to 13.5 cm

Answer

13.5 to 14.5 cm

Question 9

Which of the following is a primary determinant of undernutrition?

Accepted Answer

Low food intake

Answer

Infections

Answer

Low birth weight

Answer

Less water intake

Question 10

Which of the following is not a standard metric included in the Global Hunger Index?

Accepted Answer

Lack of emotional support in children < 5 years of age

Answer

Mortality of children < 5 years of age

Answer

Undernourishment

Answer

Child wasting (acute malnutrition) in children < 5 years of age

Nutrition and Health — MCQs

Nutrition and Health — MCQs

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