Nutrition and Health Practice Questions

Q: What is the dosage of vitamin A for children between 1 and 3 years?

1333 IU. ***1333 IU*** - The recommended daily allowance (RDA) for **vitamin A** in children aged 1 to 3 years is **400 mcg RAE** (Retinol Activity Equivalents) as per **ICMR guidelines**. - Using the conversion factor of **1 mcg RAE = 3.33 IU**, this equals approximately **1333 International Units (IU)** (400 × 3.33 = 1332 IU). - This dosage supports normal **growth, vision, immune function**, and epithelial tissue maintenance. *1250 IU* - This value is slightly lower than the recommended daily allowance for vitamin A in this age group. - While not deficient, it provides about 94% of the RDA and may be insufficient for optimal growth and development over prolonged periods. *1667 IU* - This dosage moderately exceeds the RDA for children aged 1 to 3 years (approximately 125% of RDA). - While occasional intake at this level is generally safe, consistent consumption may increase the risk of **hypervitaminosis A**, causing symptoms such as irritability, bone pain, and hepatotoxicity. *2333 IU* - This amount represents a substantial excess of vitamin A for toddlers (approximately 175% of RDA). - Chronic intake at such high doses can lead to **vitamin A toxicity**, manifesting as increased intracranial pressure, hepatomegaly, bone abnormalities, and growth retardation.

Q: The protein content in 100 g of cow's milk is

3.2 g. ***3.2 g*** - **Cow's milk** typically contains approximately **3.2 to 3.5 grams** of protein per 100 grams, making this the correct option. - The primary proteins in cow's milk are **casein** and **whey proteins**, both offering essential amino acids. *2.2 g* - This value is **too low** for the typical protein content found in 100 grams of cow's milk. - Such a low protein content would generally mean the milk has been diluted or processed significantly. *4.2 g* - This value is **higher than the average** protein content for 100 grams of regular cow's milk. - While some specialized or concentrated milk products might have higher protein, it's not typical for standard cow's milk. *1.2 g* - This value is **significantly lower** than the usual protein content of cow's milk. - This would indicate a highly diluted product or a different food item altogether.

Q: What is the recommended dietary allowance of iron during pregnancy?

27 mg of iron. ***27 mg of iron*** - The **recommended dietary allowance (RDA)** for iron during pregnancy is specifically increased to **27 mg per day** to meet the higher demands of **maternal red blood cell mass expansion** and fetal development. - This increased intake helps prevent **iron-deficiency anemia**, which is common in pregnancy due to the significant increase in **blood volume** and iron transfer to the fetus. *35 mg of iron* - While iron requirements are higher in pregnancy, **35 mg** is generally higher than the widely accepted RDA and might be a dose considered for **iron supplementation** in cases of confirmed deficiency, rather than a general dietary recommendation. - Exceeding the RDA significantly without medical supervision could lead to **iron toxicity** or side effects like constipation and nausea. *15 mg of iron* - **15 mg** is below the recommended daily intake for pregnant women and would be insufficient to meet the increased physiological demands for iron during pregnancy. - This intake level is similar to the RDA for **non-pregnant adult women**, failing to account for the substantial iron needs for **fetal growth and placental development**. *18 mg of iron* - **18 mg** closely matches the RDA for **non-pregnant adult women** and is insufficient for the unique physiological requirements of pregnancy. - This amount would likely lead to a **negative iron balance** and increase the risk of developing **iron-deficiency anemia** as pregnancy progresses.

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.

Q: Which of the following grains has the highest fat content?

Bajra. ***Bajra*** - **Bajra** (pearl millet) generally has a higher fat content, around 5-6%, compared to other common grains. - Its unique composition includes healthy fats and essential fatty acids, contributing to its nutritional value. *Rice* - **Rice** is known for its high carbohydrate content and relatively low fat content, typically less than 1%. - It is a staple food in many cultures, primarily serving as an energy source. *Wheat* - **Wheat** contains a moderate amount of fat, usually around 1.5-2%, with the germ being the richest source of lipids. - While essential for structure, its primary nutritional contribution is carbohydrates and protein. *Jowar* - **Jowar** (sorghum) has a fat content similar to or slightly higher than wheat, typically ranging from 2-3%. - It is a drought-resistant grain, valued for its complex carbohydrates and fiber.

Question 1

What is the dosage of vitamin A for children between 1 and 3 years?

Accepted Answer

1333 IU

Answer

1667 IU

Answer

2333 IU

Answer

1250 IU

Question 2

The protein content in 100 g of cow's milk is

Accepted Answer

3.2 g

Answer

2.2 g

Answer

4.2 g

Answer

1.2 g

Question 3

What is the recommended dietary allowance of iron during pregnancy?

Accepted Answer

27 mg of iron

Answer

15 mg of iron

Answer

35 mg of iron

Answer

18 mg of iron

Question 4

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 5

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 6

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 7

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 8

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

Question 9

Which of the following grains has the highest fat content?

Accepted Answer

Bajra

Answer

Rice

Answer

Wheat

Answer

Jowar

Nutrition and Health — MCQs

Nutrition and Health — MCQs

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