Nutrition and Health Practice Questions

Q: A child is obese if he/she has weight-for-height according to growth chart standards -

2 SD from median weight for height. ***2 SD from median weight for height*** - According to **WHO growth chart standards**, a child is considered **obese** if their weight-for-height measurement is **≥ +2 standard deviations (SD)** above the median. - This cutoff (weight-for-height Z-score ≥ +2 SD) signifies a high degree of adiposity relative to height, indicating significant risk of obesity-related health issues. - Alternatively, **BMI-for-age ≥ +2 SD** can also be used to define childhood obesity. *1 SD from median weight for height* - A weight-for-height between **+1 SD and +2 SD** above the median typically indicates **overweight** (at risk of obesity), but not yet obesity, according to WHO growth standards. - While concerning and requiring monitoring, it does not meet the criteria for obesity. *3 SD from median weight for height* - A weight-for-height of **≥ +3 SD** above the median is classified as **severe obesity** or **severe acute malnutrition** (if severely underweight). - This represents an even more extreme level of adiposity than the standard definition of obesity. *None of the options* - This option is incorrect because **≥ +2 SD from the median weight for height** is the internationally recognized WHO threshold for classifying obesity in children based on growth charts.

Q: Body mass index is also known as

Quetelet's index. ***Quetelet's index*** - The Body Mass Index (BMI) was initially developed by **Lambert Adolphe Jacques Quetelet** in the 19th century as a simple measure to assess whether a person’s weight is healthy in proportion to their height. - Hence, it is also commonly referred to as the **Quetelet's index**. *Corpulence index* - This term is a general descriptor for measures of **body fatness** or stoutness and is not a specific synonym for BMI. - While BMI is a measure of corpulence, "corpulence index" is not an interchangeable scientific name. *Broca's index* - **Broca's index** is another formula used to estimate ideal body weight, calculated as height in centimeters minus 100. - It differs from BMI in its calculation and purpose, not being a direct synonym for BMI. *Lorentz's formula* - **Lorentz's formula** is used to calculate ideal body weight for men (height in cm - 100 - [(height in cm - 150)/4]) and women (height in cm - 100 - [(height in cm - 150)/2]). - This formula provides an ideal weight estimate, unlike BMI which provides a ratio of weight to height, and thus is not a synonym for BMI.

Q: Which of the following is a height dependent index?

Ponderal. ***Ponderal*** - The **Ponderal Index** is calculated as **weight (kg) / height (m)³**, making it directly dependent on height. - It is the **standard height-dependent index** used in pediatrics and neonatal medicine to assess body proportionality. - Also known as the **Corpulence Index or Rohrer's Index**, it helps evaluate relative leanness or heaviness in relation to height. - The height³ in the denominator makes it highly sensitive to height changes. *Corpulence* - **Corpulence (Rohrer's Index)** is essentially the same as the Ponderal Index (weight/height³). - While technically also height-dependent, **Ponderal Index is the more widely recognized and standard term** in medical literature and examinations. *Lorent'z* - The **Lorentz formula** calculates ideal body weight using height. - Formula: IBW = Height (cm) - 100 - [(Height - 150)/k], where k varies by sex. - It's a **height-based calculation for ideal weight**, not a height-dependent proportionality index. *Brocas* - **Broca's Index** estimates ideal body weight using: Height (cm) - 100. - While it uses height, it's a **simple subtraction formula for target weight**, not a ratio/index that measures body proportions relative to height.

Q: According to the traditional definition, a person is classified as obese if they are overweight by ----% above the accepted standards -

20%. ***20%*** - According to the **traditional/classical definition**, an individual is classified as obese if their body weight is **20% or more above** their ideal or healthy weight as determined by standard weight-for-height charts. - This threshold was historically used to differentiate obesity from general overweight status, indicating significantly increased **health risk**. - **Note:** Modern medical practice primarily uses **BMI (Body Mass Index)** criteria where obesity is defined as BMI ≥ 30 kg/m², but the 20% threshold remains a classical reference in medical literature. *5%* - A 5% excess in body weight above accepted standards is considered only **mildly overweight** and does not meet any clinical definition of obesity. - This level of weight gain poses **minimal health risks** compared to obesity. *15%* - Being 15% overweight is generally categorized as **overweight**, but falls short of the classical 20% threshold for **obesity**. - While it may increase certain health risks, it doesn't meet the traditional obesity classification criteria. *10%* - A 10% excess in body weight above accepted standards is considered **overweight** but is not severe enough to be classified as obese by traditional criteria. - This level may warrant lifestyle modifications but doesn't carry the same **high-risk implications** as obesity.

Q: FFHC stands for

Freedom from hunger campaign. ***Freedom from hunger campaign*** - **FFHC** is an acronym for **Freedom from Hunger Campaign**, an initiative focused on addressing global food insecurity and malnutrition. - This campaign aims to raise awareness and resources to combat **hunger** worldwide. *Fund for health corporation* - This option is incorrect as **FFHC** does not stand for "Fund for health corporation." - This term does not represent a recognized global health or hunger-related initiative. *Fund for human capacity* - This option is incorrect; **FFHC** is not an acronym for "Fund for human capacity." - The established meaning of FFHC relates to efforts against hunger, not general human capacity funding. *Freedom from health corporation* - This option is incorrect as **FFHC** refers to a hunger campaign, not a movement against health corporations. - This phrase does not align with the widely accepted meaning and focus of the **FFHC** initiative.

Q: What is the health indicator obtained by dividing body height (in centimeters) by cube root of body weight (in kilograms) -

Ponderal Index. ***Ponderal Index*** - The **Ponderal Index** (also known as the Rohrer Index) is calculated as height (cm) / (weight (kg))^(1/3). - It is used as a measure of **leanness** or **stockiness** related to body mass. - This index is particularly useful in assessing body proportions in **newborns and infants**. *Quetelet's Index* - This is another name for the **Body Mass Index (BMI)**, calculated as weight (kg) / height (m)^2. - BMI is a widely used measure for classifying **underweight, normal weight, overweight**, and **obesity**. - Also known as the **Corpulence Index**. *Corpulence Index* - The term **Corpulence Index** is another name for **Quetelet's Index (BMI)**. - It refers to the measure of **body fatness** or weight-for-height ratio. - Formula: weight (kg) / height (m)^2. *Broca Index* - The **Broca Index** is a simple formula used to estimate ideal body weight: height (cm) - 100 = ideal weight (kg). - It is a less precise measure and doesn't involve the cube root calculation.

Q: What is the BMI range for overweight classification?

25 to 29.99. ***25 to 29.99*** - A **Body Mass Index (BMI)** between **25.0 and 29.9 kg/m²** is classified as **overweight** according to the World Health Organization (WHO) and other major health organizations. - This range indicates an elevated risk for various health problems such as **type 2 diabetes**, **hypertension**, and **cardiovascular diseases**. *18-20* - A BMI range of **18.5 to 24.9 kg/m²** is typically considered **normal weight**. - A BMI between 18 and 20 falls within the **healthy weight category**, not overweight. *15-18* - A BMI between **15.0 and 18.4 kg/m²** is classified as **underweight**. - This low range can indicate health risks like **malnutrition** and weakened immune function. *None of the options* - This option is incorrect because **25 to 29.99** accurately represents the BMI range for overweight classification. - The other provided ranges are for underweight or normal weight classifications.

Q: Among the given options, which dried fruit has the highest calcium concentration per 100g?

Figs. ***Figs*** - **Figs** are known for their exceptionally high calcium content among fruits, providing approximately **162-180 mg of calcium per 100g**. - This makes them a superior choice for dietary calcium intake compared to other options listed. *Amla* - **Amla (Indian gooseberry)** contains a moderate amount of calcium, typically around **25 mg per 100g**. - While rich in vitamin C and antioxidants, its calcium concentration is significantly lower than that of figs. *Dates* - **Dates** offer a decent amount of calcium, averaging about **39 mg per 100g**. - They are primarily recognized for their high sugar content and fiber, not as a primary source of calcium. *Guava* - **Guava** provides calcium, but in smaller quantities, generally around **18-20 mg per 100g**. - It is more celebrated for its high vitamin C and dietary fiber content.

Q: Best indicator of protein-energy malnutrition in community?

Mid-arm circumference. ***Mid-arm circumference (MUAC)*** - **Best indicator for community-level screening** of protein-energy malnutrition, as recommended by WHO - Simple to measure with MUAC tape, requiring **minimal training** for community health workers - Does not require complex equipment or calculations, making it ideal for **field conditions** - Strong predictor of **mortality risk** in malnourished children - Can be rapidly deployed in **mass screening programs** and emergency situations - Age-independent between 6-59 months, simplifying community surveys *Weight for height* - Excellent indicator for **clinical/facility-based assessment** of acute malnutrition (wasting) - Requires accurate height/weight measurement equipment and trained personnel - More **time-consuming and complex** for large-scale community screening - Better suited for individual clinical diagnosis rather than community-wide surveys *Weight for age* - Reflects **composite measure** of both acute and chronic malnutrition (underweight) - Cannot differentiate between wasting and stunting - Less specific for identifying current protein-energy deficits - Used in growth monitoring programs but not the best for community PEM screening *Height for age* - Measures **chronic malnutrition (stunting)**, not acute protein-energy deficits - Reflects long-term nutritional status rather than current PEM - Important for longitudinal growth monitoring but not for acute PEM identification

Q: What is the best indicator for monitoring iodine deficiency in a population?

Urinary iodine level. ***Urinary iodine level*** - **Urinary iodine concentration** is the most widely used and reliable indicator for assessing **iodine nutrition status** in a population. - It reflects recent iodine intake, as more than 90% of ingested iodine is excreted in the urine within 24–48 hours. *TSH levels* - **TSH levels** are useful for screening **congenital hypothyroidism** in neonates or detecting **severe iodine deficiency** in populations. - However, TSH levels may not be sensitive enough to detect **mild to moderate iodine deficiency** in older children and adults. *Serum iodine* - **Serum iodine** is not a good indicator of iodine status because it is subject to **rapid fluctuations** based on recent dietary intake. - It does not accurately reflect the **body's iodine stores** or overall iodine nutritional status. *Thyroid size* - **Thyroid size**, assessed by palpation or ultrasound, can indicate **chronic iodine deficiency** leading to **goiter**. - However, it is a less sensitive and specific indicator compared to urinary iodine, as goiter can have **other causes** and may not develop in all individuals with iodine deficiency.

Question 1

A child is obese if he/she has weight-for-height according to growth chart standards -

Accepted Answer

2 SD from median weight for height

Answer

1 SD from median weight for height

Answer

3 SD from median weight for height

Answer

None of the options

Question 2

Body mass index is also known as

Accepted Answer

Quetelet's index

Answer

Corpulence index

Answer

Broca's index

Answer

Lorentz's formula

Question 3

Which of the following is a height dependent index?

Accepted Answer

Ponderal

Answer

Lorent'z

Answer

Brocas

Answer

Corpulence

Question 4

According to the traditional definition, a person is classified as obese if they are overweight by ----% above the accepted standards -

Accepted Answer

20%

Answer

5%

Answer

15%

Answer

10%

Question 5

FFHC stands for

Accepted Answer

Freedom from hunger campaign

Answer

Fund for health corporation

Answer

Fund for human capacity

Answer

Freedom from health corporation

Question 6

What is the health indicator obtained by dividing body height (in centimeters) by cube root of body weight (in kilograms) -

Accepted Answer

Ponderal Index

Answer

Quetelet's Index

Answer

Corpulence Index

Answer

Broca Index

Question 7

What is the BMI range for overweight classification?

Accepted Answer

25 to 29.99

Answer

18-20

Answer

15-18

Answer

None of the options

Question 8

Among the given options, which dried fruit has the highest calcium concentration per 100g?

Accepted Answer

Figs

Answer

Amla

Answer

Dates

Answer

Guava

Question 9

Best indicator of protein-energy malnutrition in community?

Accepted Answer

Mid-arm circumference

Answer

Weight for height

Answer

Height for age

Answer

Weight for age

Question 10

What is the best indicator for monitoring iodine deficiency in a population?

Accepted Answer

Urinary iodine level

Answer

TSH levels

Answer

Serum iodine

Answer

Thyroid size

Nutrition and Health — MCQs

Nutrition and Health — MCQs

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