Which of the following is the primary source of energy for the human
body?
a) Proteins
b) Carbohydrates
c) Fats
d) Vitamins
Answer: b) Carbohydrates
Rationale: Carbohydrates are the body's primary and preferred source
of energy. They are quickly broken down into glucose, which is used for
energy. Proteins and fats also provide energy, but carbohydrates are the
most efficient.
2. A nurse is teaching a client about the importance of water in the
body. Which of the following statements should the nurse include?
a) Water is the primary source of stored energy in the body.
b) Water is necessary for digestion and absorption of nutrients.
c) Water acts as a primary source of vitamins and minerals.
d) Water can be stored in the body for future use.
Answer: b) Water is necessary for digestion and absorption of nutrients.
Rationale: Water plays a critical role in many body functions, including
digestion and nutrient absorption. It helps transport nutrients through
the bloodstream and is a major component of bodily fluids like saliva
and gastric juices.
3. A client is diagnosed with iron deficiency anemia. Which of the
following foods should the nurse recommend as the best source of
iron?
a) Whole grain bread
,b) Spinach
c) Beef liver
d) Orange juice
Answer: c) Beef liver
Rationale: Beef liver is an excellent source of heme iron, which is more
easily absorbed by the body than non-heme iron found in plant-based
foods like spinach. Iron deficiency anemia can be treated by increasing
iron-rich foods in the diet.
4. Which of the following is a correct statement regarding dietary fat
intake?
a) Saturated fats are essential for normal growth and development.
b) Unsaturated fats can increase cholesterol levels.
c) Trans fats should be limited as they can increase the risk of heart
disease.
d) All fats should be avoided in a healthy diet.
Answer: c) Trans fats should be limited as they can increase the risk of
heart disease.
Rationale: Trans fats are artificially created fats that can increase LDL
(bad) cholesterol and decrease HDL (good) cholesterol, leading to an
increased risk of heart disease. Healthy fats like unsaturated fats should
be consumed in moderation.
5. A nurse is teaching a client about food labels. Which of the
following should the nurse recommend the client look for when
selecting a product with a low sodium content?
a) No more than 500 mg of sodium per serving
b) No more than 140 mg of sodium per serving
,c) Less than 1 g of sodium per serving
d) No sodium added
Answer: b) No more than 140 mg of sodium per serving
Rationale: A product labeled as "low sodium" should contain no more
than 140 mg of sodium per serving. This guideline is recommended by
health organizations for individuals trying to reduce sodium intake for
better heart health.
6. A nurse is assessing a client's dietary intake. The client states they
follow a vegan diet. Which nutrient is the client most likely at risk of
being deficient in?
a) Vitamin C
b) Vitamin B12
c) Calcium
d) Vitamin A
Answer: b) Vitamin B12
Rationale: Vitamin B12 is primarily found in animal products, so
individuals following a vegan diet are at risk of B12 deficiency unless
they consume fortified foods or take supplements. Deficiency can lead
to anemia and neurological issues.
7. A client asks the nurse about the difference between complete and
incomplete proteins. Which of the following is correct?
a) Complete proteins contain all nine essential amino acids.
b) Incomplete proteins contain all nine essential amino acids.
c) Complete proteins come from plant sources.
d) Incomplete proteins can be found in animal-based foods.
,Answer: a) Complete proteins contain all nine essential amino acids.
Rationale: Complete proteins contain all nine essential amino acids that
the body cannot make on its own, typically found in animal-based
foods. Incomplete proteins, usually from plant sources, lack one or
more essential amino acids.
8. A nurse is educating a client with osteoporosis about their diet.
Which of the following foods should the nurse encourage the client to
include in their diet?
a) Leafy green vegetables
b) Whole grains
c) High-protein meats
d) High-fat dairy products
Answer: a) Leafy green vegetables
Rationale: Leafy green vegetables like kale, broccoli, and spinach are
rich in calcium and vitamin K, which are important for bone health and
may help prevent osteoporosis. Adequate calcium intake is essential for
strong bones.
9. A nurse is caring for a client with hyperlipidemia. Which of the
following food choices is most appropriate for this client?
a) Fried chicken
b) Grilled salmon
c) Bacon and eggs
d) Cheese and crackers
Answer: b) Grilled salmon
Rationale: Grilled salmon is a good source of omega-3 fatty acids, which
can help lower cholesterol levels and reduce the risk of heart disease.
,Fried foods, high-fat meats, and cheese are high in unhealthy fats and
should be limited.
10. A nurse is reviewing the nutritional needs of an adolescent. Which
of the following should the nurse emphasize for proper growth and
development?
a) High carbohydrate intake
b) Increased protein intake
c) High fat intake
d) Reduced caloric intake
Answer: b) Increased protein intake
Rationale: Protein is essential for growth, tissue repair, and muscle
development, especially in adolescents. They need higher protein intake
during this stage of rapid growth. Carbohydrates and fats are also
necessary but should be balanced for overall health.
11. A client is diagnosed with celiac disease. Which of the following
foods should the nurse instruct the client to avoid?
a) Oats
b) Rice
c) Eggs
d) Chicken
Answer: a) Oats
Rationale: Oats can be cross-contaminated with gluten during
processing. People with celiac disease must avoid gluten, which is found
in wheat, barley, and rye. Rice, eggs, and chicken are naturally gluten-
free.
, 12. A nurse is teaching a client about the role of antioxidants in the
body. Which of the following should the nurse include in the teaching?
a) Antioxidants help to lower blood sugar levels.
b) Antioxidants protect the body from damage caused by free radicals.
c) Antioxidants decrease blood pressure.
d) Antioxidants help the body produce energy.
Answer: b) Antioxidants protect the body from damage caused by free
radicals.
Rationale: Antioxidants, such as vitamins C and E, protect the body by
neutralizing free radicals, which are unstable molecules that can cause
cell damage and contribute to aging and diseases like cancer.
13. A nurse is teaching a client about vitamin D. Which of the
following is the best source of vitamin D?
a) Carrots
b) Fortified milk
c) Oranges
d) Green leafy vegetables
Answer: b) Fortified milk
Rationale: Vitamin D is essential for calcium absorption and bone
health. Fortified milk is one of the best sources of vitamin D. While
vitamin D can be synthesized by the body through sunlight, dietary
sources include fortified foods like milk.
14. Which of the following is the most important for a pregnant
woman to consume to prevent neural tube defects in the fetus?
a) Vitamin A
b) Iron
body?
a) Proteins
b) Carbohydrates
c) Fats
d) Vitamins
Answer: b) Carbohydrates
Rationale: Carbohydrates are the body's primary and preferred source
of energy. They are quickly broken down into glucose, which is used for
energy. Proteins and fats also provide energy, but carbohydrates are the
most efficient.
2. A nurse is teaching a client about the importance of water in the
body. Which of the following statements should the nurse include?
a) Water is the primary source of stored energy in the body.
b) Water is necessary for digestion and absorption of nutrients.
c) Water acts as a primary source of vitamins and minerals.
d) Water can be stored in the body for future use.
Answer: b) Water is necessary for digestion and absorption of nutrients.
Rationale: Water plays a critical role in many body functions, including
digestion and nutrient absorption. It helps transport nutrients through
the bloodstream and is a major component of bodily fluids like saliva
and gastric juices.
3. A client is diagnosed with iron deficiency anemia. Which of the
following foods should the nurse recommend as the best source of
iron?
a) Whole grain bread
,b) Spinach
c) Beef liver
d) Orange juice
Answer: c) Beef liver
Rationale: Beef liver is an excellent source of heme iron, which is more
easily absorbed by the body than non-heme iron found in plant-based
foods like spinach. Iron deficiency anemia can be treated by increasing
iron-rich foods in the diet.
4. Which of the following is a correct statement regarding dietary fat
intake?
a) Saturated fats are essential for normal growth and development.
b) Unsaturated fats can increase cholesterol levels.
c) Trans fats should be limited as they can increase the risk of heart
disease.
d) All fats should be avoided in a healthy diet.
Answer: c) Trans fats should be limited as they can increase the risk of
heart disease.
Rationale: Trans fats are artificially created fats that can increase LDL
(bad) cholesterol and decrease HDL (good) cholesterol, leading to an
increased risk of heart disease. Healthy fats like unsaturated fats should
be consumed in moderation.
5. A nurse is teaching a client about food labels. Which of the
following should the nurse recommend the client look for when
selecting a product with a low sodium content?
a) No more than 500 mg of sodium per serving
b) No more than 140 mg of sodium per serving
,c) Less than 1 g of sodium per serving
d) No sodium added
Answer: b) No more than 140 mg of sodium per serving
Rationale: A product labeled as "low sodium" should contain no more
than 140 mg of sodium per serving. This guideline is recommended by
health organizations for individuals trying to reduce sodium intake for
better heart health.
6. A nurse is assessing a client's dietary intake. The client states they
follow a vegan diet. Which nutrient is the client most likely at risk of
being deficient in?
a) Vitamin C
b) Vitamin B12
c) Calcium
d) Vitamin A
Answer: b) Vitamin B12
Rationale: Vitamin B12 is primarily found in animal products, so
individuals following a vegan diet are at risk of B12 deficiency unless
they consume fortified foods or take supplements. Deficiency can lead
to anemia and neurological issues.
7. A client asks the nurse about the difference between complete and
incomplete proteins. Which of the following is correct?
a) Complete proteins contain all nine essential amino acids.
b) Incomplete proteins contain all nine essential amino acids.
c) Complete proteins come from plant sources.
d) Incomplete proteins can be found in animal-based foods.
,Answer: a) Complete proteins contain all nine essential amino acids.
Rationale: Complete proteins contain all nine essential amino acids that
the body cannot make on its own, typically found in animal-based
foods. Incomplete proteins, usually from plant sources, lack one or
more essential amino acids.
8. A nurse is educating a client with osteoporosis about their diet.
Which of the following foods should the nurse encourage the client to
include in their diet?
a) Leafy green vegetables
b) Whole grains
c) High-protein meats
d) High-fat dairy products
Answer: a) Leafy green vegetables
Rationale: Leafy green vegetables like kale, broccoli, and spinach are
rich in calcium and vitamin K, which are important for bone health and
may help prevent osteoporosis. Adequate calcium intake is essential for
strong bones.
9. A nurse is caring for a client with hyperlipidemia. Which of the
following food choices is most appropriate for this client?
a) Fried chicken
b) Grilled salmon
c) Bacon and eggs
d) Cheese and crackers
Answer: b) Grilled salmon
Rationale: Grilled salmon is a good source of omega-3 fatty acids, which
can help lower cholesterol levels and reduce the risk of heart disease.
,Fried foods, high-fat meats, and cheese are high in unhealthy fats and
should be limited.
10. A nurse is reviewing the nutritional needs of an adolescent. Which
of the following should the nurse emphasize for proper growth and
development?
a) High carbohydrate intake
b) Increased protein intake
c) High fat intake
d) Reduced caloric intake
Answer: b) Increased protein intake
Rationale: Protein is essential for growth, tissue repair, and muscle
development, especially in adolescents. They need higher protein intake
during this stage of rapid growth. Carbohydrates and fats are also
necessary but should be balanced for overall health.
11. A client is diagnosed with celiac disease. Which of the following
foods should the nurse instruct the client to avoid?
a) Oats
b) Rice
c) Eggs
d) Chicken
Answer: a) Oats
Rationale: Oats can be cross-contaminated with gluten during
processing. People with celiac disease must avoid gluten, which is found
in wheat, barley, and rye. Rice, eggs, and chicken are naturally gluten-
free.
, 12. A nurse is teaching a client about the role of antioxidants in the
body. Which of the following should the nurse include in the teaching?
a) Antioxidants help to lower blood sugar levels.
b) Antioxidants protect the body from damage caused by free radicals.
c) Antioxidants decrease blood pressure.
d) Antioxidants help the body produce energy.
Answer: b) Antioxidants protect the body from damage caused by free
radicals.
Rationale: Antioxidants, such as vitamins C and E, protect the body by
neutralizing free radicals, which are unstable molecules that can cause
cell damage and contribute to aging and diseases like cancer.
13. A nurse is teaching a client about vitamin D. Which of the
following is the best source of vitamin D?
a) Carrots
b) Fortified milk
c) Oranges
d) Green leafy vegetables
Answer: b) Fortified milk
Rationale: Vitamin D is essential for calcium absorption and bone
health. Fortified milk is one of the best sources of vitamin D. While
vitamin D can be synthesized by the body through sunlight, dietary
sources include fortified foods like milk.
14. Which of the following is the most important for a pregnant
woman to consume to prevent neural tube defects in the fetus?
a) Vitamin A
b) Iron
