Lab Values

Question 0

Fasting Blood Glucose: usage and levels

Answer 0

Less than 100

Must fast for greater than 6hr for adult
Used for diabetes screenings

Question 1

Glycosylated Hemoglobin: (HbA1C)

Answer 1

5%-7%

Reflects the average BG level over the last 2-3 months

Question 2

Hemoglobin: male and female, and causes of increased or decreased values

Answer 2

Males: 14-18
Females: 12-16

Decreased: anemia, hemorrhage, dehydration
Increased: hemo concentration, polycythemia

Question 3

Hematocrit

Answer 3

males 37-49%

females 36-46%

Question 4

Cholesterol and Lipid levels

Answer 4

• Refer for further testing if total cholesterol is >240 mg/dl, HDL < 35 mg/dl
• Indicates fat metabolism
• Indicates cardiovascular risk

Question 5

Triglycerides

Answer 5

Adult: fasting <150 mg/dl

Blood fats, used to screen for hyperlipidemia, values are age related and debated in the literature

Question 6

Serum Albumin

Answer 6

3.5-5.5 g/dl

• Measures visceral protein status
• Long half life (17-20 days)=long term protein status
• moderately malnourished 2.8-3.5 g/dl
• severely malnourished <2.8 g/dl

Question 7

Transferrin

Answer 7

170-250 mg/dl

• Iron transport protein
• Shorter half life (8-10 days)=more sensitive indicator of protein status than albumin
• moderately malnourished 100-150mg/dl
• severely malnourished <100 mg/dl

Question 8

Body-Mass Index

Answer 8

• BMI Evaluation
• Weight in kg/height in meters squared
• Weight in pounds/Height in inches squared X 703
• Underweight <18.5
• Normal weight 18.5-24.9
• Overweight 25.0-29.9
• Obese 30-39.9
• Extreme Obesity 40 and above