Balance diet, Recommended Dietary Allowances (RDA), Basal energy metabolism; (BV, NPU, BMR, PER, BMI) calculations
Time Left
--:--:--
A-
A+
Switch Full Screen
Question No. 1
Marks
+1
-0
Time
0:00
☰
What does RDA stand for?
A.
Routine Dietary Assessment
B.
Required Diet Analysis
C.
Recommended Dietary Allowances
D.
Registered Dietitian Association
Question No. 2
Marks
+1
-0
Time
0:00
☰
RDA meets the nutrient requirements of what percentage of healthy individuals?
A.
97-98%
B.
50%
C.
75-80%
D.
100%
Question No. 3
Marks
+1
-0
Time
0:00
☰
What does BMR stand for?
A.
Basic Metabolism Requirement
B.
Body Mass Ratio
C.
Biological Mineral Rate
D.
Basal Metabolic Rate
Question No. 4
Marks
+1
-0
Time
0:00
☰
BMR typically accounts for what percentage of total calories burned daily?
A.
20-30%
B.
60-70%
C.
40-50%
D.
80-90%
Question No. 5
Marks
+1
-0
Time
0:00
☰
What is the BMI formula?
A.
Weight (kg) + Height (m)
B.
Weight (kg) × Height (m)
C.
Height (m) / Weight (kg)
D.
Weight (kg) / Height² (m²)
Question No. 6
Marks
+1
-0
Time
0:00
☰
A BMI between
18.5 and 24.9
indicates:
A.
Obese
B.
Overweight
C.
Normal weight
D.
Underweight
Question No. 7
Marks
+1
-0
Time
0:00
☰
What does BV measure in protein quality?
A.
Basic Vitamins
B.
Body Volume
C.
Biological Value - nitrogen retained for growth and maintenance
D.
Blood Viscosity
Question No. 8
Marks
+1
-0
Time
0:00
☰
The
Harris-Benedict equation for men
to calculate BMR is:
A.
(10 × weight kg) + (6.25 × height cm) - (5 × age) + 5
B.
88.362 + (13.397 × weight kg) + (4.799 × height cm) - (5.677 × age)
C.
447.593 + (9.247 × weight kg) + (3.098 × height cm) - (4.330 × age)
D.
(10 × weight kg) + (6.25 × height cm) - (5 × age) - 161
Question No. 9
Marks
+1
-0
Time
0:00
☰
A balanced diet should contain what proportion of carbohydrates of total daily calories?
A.
70-80%
B.
20-30%
C.
10-20%
D.
50-60%
Question No. 10
Marks
+1
-0
Time
0:00
☰
What does NPU stand for?
A.
Nitrogen Protein Uptake
B.
Net Protein Utilization
C.
Nutrient Proportion Units
D.
Normal Protein Usage
Question No. 11
Marks
+1
-0
Time
0:00
☰
If a person weighs 70 kg and is 1.75 m tall, what is their BMI?
A.
22.9 kg/m²
B.
18.5 kg/m²
C.
40.0 kg/m²
D.
27.5 kg/m²
Question No. 12
Marks
+1
-0
Time
0:00
☰
What does PER measure?
A.
Protein Energy Requirement
B.
Protein Efficiency Ratio - weight gain per gram of protein consumed
C.
Physical Exercise Rate
D.
Physiological Enzyme Response
Question No. 13
Marks
+1
-0
Time
0:00
☰
The
Mifflin-St Jeor equation for women
to calculate BMR is:
A.
447.593 + (9.247 × weight kg) + (3.098 × height cm) - (4.330 × age)
B.
(10 × weight kg) + (6.25 × height cm) - (5 × age) - 161
C.
88.362 + (13.397 × weight kg) + (4.799 × height cm) - (5.677 × age)
D.
(10 × weight kg) + (6.25 × height cm) - (5 × age) + 5
Question No. 14
Marks
+1
-0
Time
0:00
☰
A BMI of
30 or above
indicates:
A.
Overweight
B.
Normal weight
C.
Underweight
D.
Obesity
Question No. 15
Marks
+1
-0
Time
0:00
☰
What is the RDA relationship with EAR (Estimated Average Requirement)?
A.
RDA = EAR + 2 SD (standard deviations)
B.
RDA = EAR - 2 SD
C.
RDA = EAR × 2
D.
RDA = EAR / 2
Question No. 16
Marks
+1
-0
Time
0:00
☰
A balanced diet should contain approximately what percentage of
proteins
?
A.
5-8%
B.
50-60%
C.
10-15%
D.
25-30%
Question No. 17
Marks
+1
-0
Time
0:00
☰
The maximum Biological Value (BV) of a protein is:
A.
200%
B.
100%
C.
150%
D.
50%
Question No. 18
Marks
+1
-0
Time
0:00
☰
Which protein source has the
highest BV
?
A.
Rice (BV ≈ 86)
B.
Wheat (BV ≈ 64)
C.
Egg (BV ≈ 100)
D.
Soybean (BV ≈ 74)
Question No. 19
Marks
+1
-0
Time
0:00
☰
What is the primary component of a balanced diet by weight?
A.
Vitamins
B.
Proteins
C.
Carbohydrates
D.
Fats
Question No. 20
Marks
+1
-0
Time
0:00
☰
If RDA is not known and CV (coefficient of variation) is 10%, how is RDA calculated from EAR?
A.
RDA = 1.5 × EAR
B.
RDA = 2 × EAR
C.
RDA = 1.2 × EAR
D.
RDA = 1.3 × EAR
Question No. 21
Marks
+1
-0
Time
0:00
☰
A person with BMI
less than 18.5
is classified as:
A.
Underweight
B.
Overweight
C.
Normal weight
D.
Obese
Question No. 22
Marks
+1
-0
Time
0:00
☰
What factors influence BMR?
A.
Age, weight, height, gender, muscle mass, temperature
B.
Only diet
C.
Only weight
D.
Only age
Question No. 23
Marks
+1
-0
Time
0:00
☰
The formula for calculating BV is:
A.
(Weight gain / Protein intake) × 100
B.
(Nitrogen retained / Nitrogen absorbed) × 100
C.
(Nitrogen intake / Nitrogen excreted) × 100
D.
(Nitrogen absorbed / Nitrogen intake) × 100
Question No. 24
Marks
+1
-0
Time
0:00
☰
A balanced diet should contain what percentage of
fats
?
A.
40-50%
B.
50-60%
C.
20-30%
D.
10-15%
Question No. 25
Marks
+1
-0
Time
0:00
☰
If CV is 15%, what is the relationship between RDA and EAR?
A.
RDA = 1.3 × EAR
B.
RDA = 2 × EAR
C.
RDA = 1.2 × EAR
D.
RDA = 1.5 × EAR
Question No. 26
Marks
+1
-0
Time
0:00
☰
A 30-year-old man weighing 75 kg and 180 cm tall has a BMR of approximately
(using Mifflin-St Jeor)
:
A.
1200 calories/day
B.
1730 calories/day
C.
2500 calories/day
D.
3000 calories/day
Question No. 27
Marks
+1
-0
Time
0:00
☰
NPU is related to BV and digestibility by:
A.
NPU = BV - Digestibility
B.
NPU = BV / Digestibility
C.
NPU = BV × Digestibility
D.
NPU = BV + Digestibility
Question No. 28
Marks
+1
-0
Time
0:00
☰
BMI between
25 and 29.9
indicates:
A.
Overweight
B.
Obese
C.
Normal weight
D.
Underweight
Question No. 29
Marks
+1
-0
Time
0:00
☰
What is the EAR (Estimated Average Requirement)?
A.
Minimum nutrient requirement
B.
Nutrient intake meeting requirements of 50% of healthy individuals
C.
Maximum safe nutrient intake
D.
Nutrient intake meeting requirements of 97-98% of individuals
Question No. 30
Marks
+1
-0
Time
0:00
☰
A 25-year-old woman weighing 60 kg and 165 cm tall has a BMI of:
A.
27.5 kg/m²
B.
18.0 kg/m²
C.
22.0 kg/m²
D.
36.4 kg/m²
Question No. 31
Marks
+1
-0
Time
0:00
☰
Which component is NOT considered in BMR calculation?
A.
Physical activity level
B.
Weight
C.
Age
D.
Height
Question No. 32
Marks
+1
-0
Time
0:00
☰
PER is typically measured using:
A.
Urine output
B.
Weight gain per gram of protein consumed in test animals
C.
Body temperature
D.
Blood nitrogen levels
Question No. 33
Marks
+1
-0
Time
0:00
☰
The
detailed BV formula
accounting for nitrogen intake and excretion is:
A.
(Ni - Neu) × 100
B.
(Nef + Neu) / Ni × 100
C.
((Ni - Nef - Neu) / (Ni - Nef)) × 100
D.
(Ni / Neu) × 100
Question No. 34
Marks
+1
-0
Time
0:00
☰
A balanced diet must include all of the following EXCEPT:
A.
Vitamins and minerals
B.
Carbohydrates
C.
Artificial supplements only
D.
Proteins
Question No. 35
Marks
+1
-0
Time
0:00
☰
What is TDEE (Total Daily Energy Expenditure)?
A.
Physical activity calories only
B.
BMR only
C.
BMR multiplied by physical activity factor
D.
Food energy intake
Question No. 36
Marks
+1
-0
Time
0:00
☰
For a
sedentary person
, the physical activity factor to calculate TDEE from BMR is:
A.
1.375
B.
1.725
C.
1.55
D.
1.2
Question No. 37
Marks
+1
-0
Time
0:00
☰
Which has higher Biological Value?
A.
Animal proteins
B.
Plant proteins
C.
Depends only on cooking method
D.
Both equal
Question No. 38
Marks
+1
-0
Time
0:00
☰
If a protein has BV of 80 and digestibility of 90%, what is its NPU?
A.
170%
B.
90%
C.
72%
D.
80%
Question No. 39
Marks
+1
-0
Time
0:00
☰
RDA values vary based on:
A.
Only weight
B.
Only age
C.
Same for everyone
D.
Age, sex, and physiological state (pregnancy, lactation)
Question No. 40
Marks
+1
-0
Time
0:00
☰
What is the primary purpose of establishing RDA?
A.
To calculate body weight
B.
To diagnose diseases
C.
To prescribe medications
D.
To plan nutritionally adequate diets for individuals
Question No. 41
Marks
+1
-0
Time
0:00
☰
A 40-year-old woman weighing 65 kg and 170 cm tall has BMR approximately
(using Mifflin-St Jeor)
:
A.
1800 calories/day
B.
2000 calories/day
C.
1000 calories/day
D.
1360 calories/day
Question No. 42
Marks
+1
-0
Time
0:00
☰
Which statement about BMI is TRUE?
A.
BMI does not distinguish between muscle and fat mass
B.
BMI is the same as body fat percentage
C.
BMI accounts for bone density
D.
BMI measures body fat percentage directly
Question No. 43
Marks
+1
-0
Time
0:00
☰
For
moderate activity
(exercise 3-5 days/week), the activity factor is:
A.
1.2
B.
1.55
C.
1.375
D.
1.9
Question No. 44
Marks
+1
-0
Time
0:00
☰
What does AI (Adequate Intake) represent?
A.
Same as RDA
B.
Maximum safe level
C.
Minimum requirement
D.
Intake level assumed to ensure nutritional adequacy when RDA cannot be determined
Question No. 45
Marks
+1
-0
Time
0:00
☰
A person consuming 2000 calories with 50g protein has what percentage from protein?
A.
15%
B.
10%
C.
25%
D.
20%
Question No. 46
Marks
+1
-0
Time
0:00
☰
Which food component has the
lowest PER
?
A.
Fish protein
B.
Egg white
C.
Milk protein (casein)
D.
Wheat gluten
Question No. 47
Marks
+1
-0
Time
0:00
☰
The relationship between BMR and age is:
A.
BMR decreases with increasing age
B.
No relationship
C.
BMR remains constant
D.
BMR increases with age
Question No. 48
Marks
+1
-0
Time
0:00
☰
If a person's BMR is 1500 calories and they are
lightly active
, their TDEE is:
A.
2063 calories (1500 × 1.375)
B.
2588 calories (1500 × 1.725)
C.
1800 calories (1500 × 1.2)
D.
2325 calories (1500 × 1.55)
Question No. 49
Marks
+1
-0
Time
0:00
☰
What is the main limitation of using BMI for health assessment?
A.
Only works for adults
B.
Too complex to calculate
C.
Requires expensive equipment
D.
Does not account for body composition, age, or ethnicity differences
Question No. 50
Marks
+1
-0
Time
0:00
☰
UL (Tolerable Upper Intake Level) represents:
A.
Minimum requirement
B.
Same as RDA
C.
Maximum daily intake unlikely to cause adverse health effects
D.
Average intake
Question No. 51
Marks
+1
-0
Time
0:00
☰
In the BV formula, Na represents:
A.
Nitrogen amount
B.
Sodium content
C.
Nitrogen available
D.
Nitrogen absorbed
Question No. 52
Marks
+1
-0
Time
0:00
☰
A balanced diet for
weight maintenance
requires:
A.
No specific calorie requirement
B.
Calorie intake equal to TDEE
C.
Calorie intake below BMR
D.
Calorie intake exceeding TDEE
Question No. 53
Marks
+1
-0
Time
0:00
☰
Which nutrient provides the
highest calories per gram
?
A.
Proteins (4 calories/gram)
B.
Vitamins (0 calories/gram)
C.
Fats (9 calories/gram)
D.
Carbohydrates (4 calories/gram)
Question No. 54
Marks
+1
-0
Time
0:00
☰
What does Nr represent in the BV calculation?
A.
Nitrogen released
B.
Nitrogen retained in the body
C.
Nitrogen ratio
D.
Nitrogen requirement
Question No. 55
Marks
+1
-0
Time
0:00
☰
For
safe weight loss
, calorie restriction should be:
A.
500 calories below TDEE per day (1 lb/week loss)
B.
50 calories below TDEE
C.
1500 calories below TDEE
D.
Below BMR level
Question No. 56
Marks
+1
-0
Time
0:00
☰
The
Harris-Benedict equation for women
is:
A.
(10 × weight kg) + (6.25 × height cm) - (5 × age) - 161
B.
447.593 + (9.247 × weight kg) + (3.098 × height cm) - (4.330 × age)
C.
(10 × weight kg) + (6.25 × height cm) - (5 × age) + 5
D.
88.362 + (13.397 × weight kg) + (4.799 × height cm) - (5.677 × age)
Question No. 57
Marks
+1
-0
Time
0:00
☰
Casein (milk protein) typically has a PER of approximately:
A.
0.5
B.
4.0
C.
1.0
D.
2.5
Question No. 58
Marks
+1
-0
Time
0:00
☰
What percentage of RDA is typically represented by EAR?
A.
Approximately 80% of RDA
B.
50% of RDA
C.
120% of RDA
D.
Same as RDA
Question No. 59
Marks
+1
-0
Time
0:00
☰
A person weighing 90 kg and 1.80 m tall has BMI of:
A.
32.0 kg/m² (Obese)
B.
18.5 kg/m² (Underweight)
C.
27.8 kg/m² (Overweight)
D.
22.2 kg/m² (Normal)
Question No. 60
Marks
+1
-0
Time
0:00
☰
For
very active individuals
(hard exercise 6-7 days/week), the activity factor is:
A.
1.2
B.
1.55
C.
1.375
D.
1.725
Submit Test
Mark for Review & Next
Clear Response
‹ Prev
Save & Next ›
📋 Submit Test?
0
Answered
0
Skipped
60
Total
You
cannot
change answers after submission.
Cancel
Submit