-
Complete the following passage about vitamin D.
Question:
-
Vitamin D promotes the strengthening of the skeleton by
ensuring a plentiful supply of
........................................... ions in the
blood. Question:
-
Infants and children who are deprived of vitamin D
develop the disease called
...................................... which is associated
with weak and deformed bones that cannot support their
weight. Question:
-
Some women who have many pregnancies and breast feed
their babies may suffer from a softening of bones called
...................................... Question:
-
Vitamin D is found in some foods, such as
.................................................... Question:
-
However, most of the body's vitamin D is made in the
body when the ..................... Question:
-
is exposed to ...............
| Dietary Reference Values (DRVs)
are based on studies of the British population. The
table shows DRVs for protein for
women. |
| DRV |
15–18 years |
19–50 years |
over 50
years |
| Estimated
Average Requirement (EAR) /g day-1 |
37.1 |
36.0 |
37.2 |
| Reference
Nutrient Intake (RNI) /g day-1 |
45.4 |
45.0 |
46.5 | | Question:
-
Explain the difference between the Estimated Average
Requirement (EAR) and the Reference Nutrient Intake
(RNI).
Question:
-
State two reasons why the protein intake of
19–50 year old women might be
greater than the values given in the table.
Question:
-
Explain why women over the age of 50 should maintain a
protein intake similar to that of younger women.
Question:
-
Outline two advantages of publishing Dietary
Reference Values.
| Children in many developing
countries suffer from severe protein energy
malnutrition. As a result they show reduced growth and
are susceptible to infectious diseases, such as
measles. | Question:
-
Explain why young children with protein energy
malnutrition are especially susceptible to measles.
| Supplementary feeding programmes
provide such children with a diet rich in carbohydrate
but with limited quantities of high quality
protein. | Question:
-
Suggest reason for providing these children with this
type of diet.
| |