• Home
  • Textbooks
  • Essential Math and Calculations for Pharmacy Technicians
  • Dealing with Calories

Essential Math and Calculations for Pharmacy Technicians

Indra K. Reddy, Mansoor A. Khan

Chapter 13

Dealing with Calories - all with Video Answers

Educators


Chapter Questions

View

Problem 1

How many calories are contained in 2.5 liters of $5 \%$ dextrose?

Katherine Kartheiser
Katherine Kartheiser
Numerade Educator
05:48

Problem 2

How many calories are represented by a liter of solution containing $15 \%$ dextrose, $10 \%$ proteins, and $8 \%$ fats?

Dr.  Satish  Ingale
Dr. Satish Ingale
Numerade Educator
04:58

Problem 2

If the protein to nonprotein calorie ratio of a meal is $1: 8$, what is the calorie:nitrogen ratio?

Susan Hallstrom
Susan Hallstrom
Numerade Educator

Problem 3

A TPN solution consists of 0.75 liter of $10 \%$ dextrose and 0.25 liter of $4.25 \%$ amino acid solution. What is the ratio of non-nitrogen calories to grams of nitrogen for this TPN formula?

Check back soon!

Problem 4

A TPN solution contains 0.5 liter of $25 \%$ dextrose and 0.5 liter of $8.5 \%$ amino acid solution. What is the ratio of non-nitrogen calories to grams of nitrogen for this TPN formula?

Check back soon!

Problem 5

Calculate protein-calorie percentage of a liter of $10 \%$ dextrose containing $8.5 \%$ amino acids.

Check back soon!

Problem 6

A liter TPN solution consists of $500 \mathrm{~mL}$ of $10 \%$ dextrose and $450 \mathrm{~mL}$ of $7.5 \%$ amino acids. What is the protein-calorie percentage of the solution?

Check back soon!

Problem 7

A TPN solution consists of $500 \mathrm{~mL}$ of $25 \%$ dextrose and $500 \mathrm{~mL}$ of $10 \%$ amino acid solution.
Calculate:
a. The total number of calories present in the preparation.
b. Grams of nitrogen in the preparation.
c. The ratio of non-protein calories-to-grams of nitrogen.
d. The protein-calorie percentage of the solution.

Check back soon!
View

Problem 8

A patient is to receive one liter of the following admixture every 8 hours.
$50 \%$ Dextrose in water $500 \mathrm{~mL}$
$8.5 \%$ Fre-Amine $\quad 500 \mathrm{~mL}$
Calculate:
a. glucose calories/day
b. grams of protein received/day
c. grams of nitrogen received/day
d. calorie-to-nitrogen ratio

Katherine Kartheiser
Katherine Kartheiser
Numerade Educator
05:48

Problem 9

Calculate the number of calories provided by a $250-\mathrm{mL}$ solution containing $2 \%$ of fat, $25 \%$ of dextrose and $5.5 \%$ of protein.

Dr.  Satish  Ingale
Dr. Satish Ingale
Numerade Educator
View

Problem 10

How many milliliters of $20 \%$ dextrose solution or how many milliliters of $5 \%$ protein solution are required to get $50 \mathrm{kcal}$ energy?

Katherine Kartheiser
Katherine Kartheiser
Numerade Educator
07:57

Problem 11

Calculate the amount of nitrogen present in $400 \mathrm{~mL}$ of $10 \%$ of an essential amino acid solution.

Muhammad Bin
Muhammad Bin
Numerade Educator
04:58

Problem 12

If a protein sample provides $2200 \mathrm{kcal}$ of energy, how much nitrogen is present in it?

Susan Hallstrom
Susan Hallstrom
Numerade Educator
04:58

Problem 13

If a quantity of protein contains $50 \mathrm{~g}$ of nitrogen, how much energy can be generated from it?

Susan Hallstrom
Susan Hallstrom
Numerade Educator
03:32

Problem 13

If a diet contains $20 \mathrm{~g}$ of nitrogen, how much glucose would be needed to get a calorie:nitrogen ratio of 175 ?

Susan Hallstrom
Susan Hallstrom
Numerade Educator
01:59

Problem 14

How many milliliters of a $10 \%$ protein solution may contain $33 \mathrm{~g}$ of nitrogen?

David Collins
David Collins
Numerade Educator
04:58

Problem 15

If a person's daily energy requirement is $2000 \mathrm{kcal}$ from protein sources, how much nitrogen should be present in his protein diet?

Susan Hallstrom
Susan Hallstrom
Numerade Educator
04:58

Problem 16

How much energy will be produced from a protein sample, which has $256 \mathrm{~g}$ of nitrogen?

Susan Hallstrom
Susan Hallstrom
Numerade Educator
07:57

Problem 17

How much nitrogen is present in a $250 \mathrm{~mL}$ solution containing $10 \%$ of protein $\mathrm{X}$ and $5 \%$ of protein $\mathrm{Y}$.

Muhammad Bin
Muhammad Bin
Numerade Educator
02:58

Problem 18

If you eat a protein diet containing $30 \mathrm{~g}$ of nitrogen, how much energy will you get from it?

Dr.  Satish  Ingale
Dr. Satish Ingale
Numerade Educator
02:58

Problem 19

Calculate the number of grams of nitrogen present in a protein that provides $3300 \mathrm{kcal}$ of energy.

Dr.  Satish  Ingale
Dr. Satish Ingale
Numerade Educator
07:57

Problem 20

How much nitrogen is present in $500 \mathrm{~mL}$ of a $33 \%$ protein solution?

Muhammad Bin
Muhammad Bin
Numerade Educator
00:38

Problem 21

Calculate the calorie:nitrogen ratio of a nutritional solution containing $500 \mathrm{~g}$ of glucose and $25 \mathrm{~g}$ of protein.

Tausaga Pauu
Tausaga Pauu
Numerade Educator
View

Problem 22

To maintain a calorie:nitrogen ratio of 150 , how much protein should be taken with $220 \mathrm{~g}$ of fat diet?

Ronald Prasad
Ronald Prasad
Numerade Educator
View

Problem 24

If the energy gains of a person from protein diet and nonprotein diet are 180 and $900 \mathrm{kcal}$, respectively, what is the calorie:nitrogen ratio?

Ronald Prasad
Ronald Prasad
Numerade Educator
View

Problem 25

Calculate the calorie:nitrogen ratio of a diet containing $300 \mathrm{~g}$ of protein and $560 \mathrm{~g}$ of fat emulsion.

Ronald Prasad
Ronald Prasad
Numerade Educator

Problem 27

A nutritional supplement contains $60 \%$ of dextrose, $5 \%$ fat, and $8 \%$ of protein. What will be its calorie:nitrogen ratio?

Check back soon!
View

Problem 28

To keep a calorie:nitrogen ratio of 190 , how much protein do you need to incorporate in a diet, which contains $200 \mathrm{~g}$ of fat?

Ronald Prasad
Ronald Prasad
Numerade Educator

Problem 29

If the calorie:nitrogen ratio of a meal is 180 , how much dextrose should be taken with $25 \mathrm{~g}$ of protein?

Check back soon!
View

Problem 30

What is the calorie:nitrogen ratio of a diet containing $99 \mathrm{~g}$ of fat and 81 $\mathrm{g}$ of protein?

Ronald Prasad
Ronald Prasad
Numerade Educator

Problem 31

What is the protein-calorie percentage of a solution containing $12 \%$ of dextrose and $5 \%$ of protein in $500 \mathrm{~mL}$ solution?

Check back soon!

Problem 32

The protein-calorie percentage of a solution is $20 \%$. If the total protein in it is $60 \mathrm{~g}$, how many calories are supplied by the nonprotein fraction?

Check back soon!

Problem 33

If the protein-calorie percentage of a meal is $25 \%$, what is the ratio of calories from protein to nonprotein diet?

Check back soon!

Problem 34

Calculate the protein-calorie percentage of a nutrition supplement containing $25 \mathrm{~g}$ of fat, $150 \mathrm{~g}$ of protein, and $80 \mathrm{~g}$ of dextrose.

Check back soon!

Problem 35

What is the protein-calorie percentage of a 5-liter solution which contains $10 \%$ dextrose, $5 \%$ fat, and $15 \%$ protein?

Check back soon!

Problem 36

Calculate the amount of nitrogen in a solution whose protein-calorie percentage is $33 \%$. All nonprotein calories of this solution are solely provided by $35 \mathrm{~g}$ of fat.

Check back soon!
02:18

Problem 37

How much protein should be incorporated in a diet containing $500 \mathrm{~g}$ of glucose to make a protein-calorie percentage of $15 \%$ ?

Maryam Riaz
Maryam Riaz
Numerade Educator

Problem 38

Calculate the protein-calorie percentage of a $500 \mathrm{~mL}$ solution of $10 \%$ dextrose and $20 \%$ protein.

Check back soon!
02:22

Problem 39

What is the protein-calorie percentage of a nutrition supplement containing $52 \mathrm{~g}$ of fat, $100 \mathrm{~g}$ of protein and $70 \mathrm{~g}$ of dextrose?

Eileen Sullivan
Eileen Sullivan
Numerade Educator

Problem 40

Calculate the amount of protein in a solution, whose protein-calorie percentage is $20 \%$ and which contains $400 \mathrm{~g}$ of dextrose.

Check back soon!