Labs Flashcards

1
Q

Albumin

Indication

A

Assess nutritional status
Evaluate chronic illness
Evaluate liver disease

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2
Q

Albumin

Normal values

A

3.4 - 4.8 g/dL

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3
Q

Albumin

Interpretation

A

Increased in dehydration

Decreased in malnutrition, liver disease, inflammation, increased blood volume, increased loss (burns, hemorrhage)

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4
Q

Albumin

Nx Implication

A

Assess nutritional status
Monitor for edema when levels are low
Assess tissue integrity and prevent skin breakdown
Encourage protein intake

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5
Q

Prealbumin

Indication

A

Evaluate nutritional status

Monitor parenteral nutrition

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6
Q

Prealbumin

Normal values

A

12 - 42 mg/dL

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7
Q

Prealbumin

Interpretation

A

Increased in alcoholism, chronic renal failure, patients receiving steroids
Decreased in malnutrition, tissue necrosis, liver disease, acute-phase inflammatory response, chronic illness

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8
Q

Prealbumin

Nx Implication

A

Assess nutritional status

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9
Q

Anytime plasma glucose level

Indication

A

Screen for diabetes

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10
Q

Anytime plasma glucose level

Normal values

A

< 200 mg/dL

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11
Q

Anytime plasma glucose level

Interpretation

A

Increased in diabetes, acute stress reaction, severe liver disease, pancreatitis, severe renal disease
Decreased in hypoglycemia, excess insulin, cancer, malnutrition, alcohol use, liver disease

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12
Q

Anytime plasma glucose level

Nx Implication

A

Assess nutritional status
Encourage proper body weight
Monitor blood glucose

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13
Q

Fasting plasma glucose level

Indication

A

Screen for diabetes

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14
Q

Fasting plasma glucose level

Normal values

A

70 - 100 mg/dL

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15
Q

Fasting plasma glucose level

Interpretation

A

100 - 126 mg/dL indicates prediabetes

> 126 mg/dL indicates diabetes

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16
Q

Fasting plasma glucose level

Nx Implication

A

Medicate as ordered
Encourage diet evaluation and education
Monitor for hypoglycemia

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17
Q

Oral glucose tolerance test

Indication

A

Screen for diabetes

18
Q

Oral glucose tolerance test

Normal Values

A

< 200 mg/dL

19
Q

Oral glucose tolerance test

Interpretation

A

> 200 mg/dL indicates diabetes

20
Q

Oral glucose tolerance test

Nx Implication

A

Encourage activity/exercise

21
Q

Glycosylated hemoglobin A1c (HbA1c)

Indication

A

Assess long-term glucose control (2-3 months)

22
Q

Glycosylated hemoglobin A1c (HbA1c)

Normal values

A

< 6.0% (decreasing)

23
Q

Glycosylated hemoglobin A1c (HbA1c)

Interpretation

A

Increased in poorly controlled or uncontrolled diabetes

24
Q

Glycosylated hemoglobin A1c (HbA1c)

Nx Implication

A

Educate regarding good glycemic control delays onset and slows progression of diabetic retinopathy, nephropathy, and neuropathy

25
Q

Liver function tests (ALT, AST, ALP, bilirubin)

Indication

A

Assess liver function and damage

26
Q

Liver function tests (ALT, AST, ALP, bilirubin)

Interpretation

A

Increased in hepatitis, liver disease, cancers, CHF

27
Q

Liver function tests (ALT, AST, ALP, bilirubin)

Nx Implication

A

Encourage proper diet

Encourage vaccination as appropriate

28
Q
Hep A antibody
Hep B Antigen & Antibody
Hep C Antibody
Hep D Antibody
Indication
A

Assess for Hepatitis A, B, C or D

29
Q
Hep A antibody
Hep B Antigen & Antibody
Hep C Antibody
Hep D Antibody
Interpretation
A

Positive results indicates hepatitis infection

30
Q
Hep A antibody
Hep B Antigen & Antibody
Hep C Antibody
Hep D Antibody
Nx Implication
A

Encourage prevention of transmission

Eliminate alcohol ingestion

31
Q

Thyroid antibodies

Indication

A

Assist in diagnosis of Grave’s disease

32
Q

Thyroid antibodies

Interpretation

A

Increased in chronic thyroiditis, Grave’s disease, pernicious anemia, rheumatoid arthritis

33
Q
Thyroid hormones (T3 & T4)
Indication
A

Evaluate hypothyroidism or hyperthyroidism

Monitor response to therapy

34
Q
Thyroid hormones (T3 & T4)
Interpretation
A

Increased in hyperthyroidism, thyrotoxicosis, excessive intake of iodine, hepatitis
Decreased in hypothyroidism

35
Q
Thyroid hormones (T3 & T4)
Nx Implication
A

Monitor for hypo/hyperthyroidism

36
Q

Thyroid Stimulating Hormone (TSH)

Indication

A

Diagnosis of hypothyroidism or hyperthyroidism

37
Q

Thyroid Stimulating Hormone (TSH)

Interpretation

A

Increased in primary hypothyroidism, thyroid hormone resistance, thyroiditis
Decreased in excessive thyroid hormone replacement, Grave’s disease, primary hyperthyroidism, secondary hypothyroidism

38
Q

Thyroid Stimulating Hormone (TSH)

Nx Implication

A

Recognize cause of hypothyroidism by comparing TSH level with T4 level

39
Q

Radioactive iodine uptake test (RAI)

Indication

A

Evaluate hyperthyroidism or hypothyroidism
Evaluate thyroiditis, goiter, or pituitary failure
Monitor response to therapy for thyroid disease

40
Q

Radioactive iodine uptake test (RAI)

Interpretation

A

Abnormal findings in decreased iodine intake or increased iodine excretion, Graves’ disease, iodine-deficient goiter
Increased uptake in hyperthyroidism
Decreased uptake in hypothyroidism