Question 1

Which one of the following tests provides the best indication of impaired iron status in its earliest stage?

Accepted Answer

A) Hematocrit 
B) Hemoglobin 
C) Serum ferritin 
D) Soluble transferrin receptor

Question 2

The CBC is a panel of tests that evaluates three types of cells that circulate in the blood compartment.Which one of the following is NOT on this list?

Accepted Answer

A) Red blood cells 
B) White blood cells 
C) Macrophages 
D) Platelets

Question 3

Although the most common cause of anemia is iron deficiency,there are a number of other common causes,which are collectively referred to as anemia of __________.

Accepted Answer

The answer of Although the most common cause of anemia...

Question 4

One advantage of using the serum concentration of soluble transferrin receptor as a biochemical marker for iron status is that it is not affected by inflammation or infection.

Accepted Answer

A) True 
 B)False

Question 5

A "false positive" would occur when a person with an adequate iron status has a hemoglobin level less than the age/sex-appropriate cut point for diagnosing anemia.

Accepted Answer

A) True 
 B)False

Question 6

Which one of the following biomarkers is increased during the third stage of iron deficiency anemia?

Accepted Answer

A) Free erythrocyte protoporphyrin 
B) Hemoglobin 
C) Serum ferritin 
D) MCV

Question 7

Which one of the following is the most widely used indicator of recent iodine intake and iodine status?

Accepted Answer

A) The goiter rate 
B) Serum thyroglobulin 
C) Serum thyroid-stimulating hormone 
D) Urinary iodine

Question 8

While too little iodine in the diet can result in iodine deficiency disorders,high intakes of iodine are not a health concern.

Accepted Answer

A) True 
 B)False

Question 9

Which one of the following statements is false?

Accepted Answer

A) The diets of most Americans supply more than adequate amounts of vitamin B-12. 
B) In older persons the risk of low vitamin B-12 status increases due to diminished vitamin B-12 absorption. 
C) Most cases of pernicious anemia in the United States are due to inadequate production of intrinsic factor. 
D) Most cases of vitamin B-12 deficiency seen in the United States are due to a dietary deficiency of the vitamin.

Question 10

Data from the National Health and Nutrition Examination Survey show that the prevalence of iron deficiency varies little across different racial and ethnic groups.

Accepted Answer

A) True 
 B)False

Question 11

There is a lack of agreement among nutrition researchers on what constitutes an optimal serum concentration of vitamin D.

Accepted Answer

A) True 
 B)False

Question 12

Data from the National Health and Nutrition Examination Survey show that the prevalence of vitamin A deficiency in the U.S.is very low.

Accepted Answer

A) True 
 B)False

Question 13

Preschool children and women of childbearing age are the groups at greatest risk of iron deficiency.

Accepted Answer

A) True 
 B)False

Question 14

Somatic protein represents ________% of the body cell mass,and is located within skeletal muscle.

Accepted Answer

A) 25% 
B) 50% 
C) 75% 
D) 90%

Question 15

Which one of the following tests is the most sensitive indicator of iron status after iron stores are depleted but before anemia develops?

Accepted Answer

A) Hematocrit 
B) Hemoglobin 
C) Serum ferritin 
D) Soluble transferrin receptor

Question 16

Which of the following is the appropriate biochemical indicator for assessing calcium status?

Accepted Answer

A) Ionized serum calcium 
B) Total serum calcium 
C) Urinary calcium 
D) None of the choices are correct.

Question 17

The classic sign of iodine deficiency is thyroid gland enlargement,which is referred to as __________.

Accepted Answer

The answer of The classic sign of iodine deficiency is...

Exam 9: Biochemical Assessment of Nutritional Status

Which one of the following tests provides the best indication of impaired iron status in its earliest stage?

The CBC is a panel of tests that evaluates three types of cells that circulate in the blood compartment.Which one of the following is NOT on this list?

Although the most common cause of anemia is iron deficiency,there are a number of other common causes,which are collectively referred to as anemia of __________.

One advantage of using the serum concentration of soluble transferrin receptor as a biochemical marker for iron status is that it is not affected by inflammation or infection.

A "false positive" would occur when a person with an adequate iron status has a hemoglobin level less than the age/sex-appropriate cut point for diagnosing anemia.

Which one of the following biomarkers is increased during the third stage of iron deficiency anemia?

Which one of the following is the most widely used indicator of recent iodine intake and iodine status?

While too little iodine in the diet can result in iodine deficiency disorders,high intakes of iodine are not a health concern.

Which one of the following statements is false?

Data from the National Health and Nutrition Examination Survey show that the prevalence of iron deficiency varies little across different racial and ethnic groups.

There is a lack of agreement among nutrition researchers on what constitutes an optimal serum concentration of vitamin D.

Data from the National Health and Nutrition Examination Survey show that the prevalence of vitamin A deficiency in the U.S.is very low.

Preschool children and women of childbearing age are the groups at greatest risk of iron deficiency.

Somatic protein represents ________% of the body cell mass,and is located within skeletal muscle.

Which one of the following tests is the most sensitive indicator of iron status after iron stores are depleted but before anemia develops?

Which of the following is the appropriate biochemical indicator for assessing calcium status?

The classic sign of iodine deficiency is thyroid gland enlargement,which is referred to as __________.