Question 1:

Which of the following laboratory tests can be used to assess iron deficiency?

A) Complete blood count (CBC)
B) Serum vitamin D levels
C) Folate levels
D) Urinary sodium levels

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Explanation: A complete blood count (CBC) can be used to assess iron deficiency by measuring hemoglobin, hematocrit, and red blood cell indices such as mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH).

Question 2:

Which of the following methods can be used to assess vitamin D status?

A) Skin biopsy
B) Dual-energy X-ray absorptiometry (DXA)
C) 24-hour urine collection
D) Serum 25-hydroxyvitamin D levels

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Explanation: Serum 25-hydroxyvitamin D levels are commonly measured to assess vitamin D status and determine if a person is deficient, insufficient, or sufficient in vitamin D.

Question 3:

Which of the following methods can be used to assess protein-energy malnutrition?

A) Measurement of skinfold thickness
B) Urinary sodium levels
C) Serum calcium levels
D) Dual-energy X-ray absorptiometry (DXA)

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Explanation: Measurement of skinfold thickness is commonly used to assess protein-energy malnutrition and estimate body fat and muscle mass.

Question 4:

Which of the following tests can be used to assess vitamin B12 deficiency?

A) Urinary iodine levels
B) Complete blood count (CBC)
C) Serum vitamin B12 levels
D) Fasting blood glucose levels

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Explanation: Serum vitamin B12 levels are measured to assess vitamin B12 deficiency, as low levels can indicate inadequate intake or impaired absorption of vitamin B12.

Question 5:

Which of the following assessments can be used to determine nutritional status in children?

A) Measurement of waist circumference
B) Dietary recall
C) Growth chart monitoring
D) Measurement of resting metabolic rate

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Explanation: Growth chart monitoring, which involves tracking a child's height and weight over time and comparing them to standardized growth charts, can help determine nutritional status and identify growth abnormalities.