Lab Values

Question 1

Hematocrit normal level

Answer 1

Male: 42-52%
Female: 37-47%

Question 2

Hemoglobin normal level

Answer 2

Male: 14-18 g/dl
Female: 12-16 g/dl

Question 3

RBC normal count

Answer 3

Male: 4.7-6.1 u/L
Female: 4.2-5.4 u/L

Question 4

Reticulocyte normal count

Answer 4

1-2% of RBC count

Question 5

Neutrophils - segmented normal level

Answer 5

55-75%

Question 6

Neutrophils - bands normal level

Answer 6

0-5%

Question 7

Monocytes normal level

Answer 7

2-8%

Question 8

Lymphocytes normal level

Answer 8

20-40%

Question 9

Eosinophils normal level

Answer 9

1-4%

Question 10

Basophils normal level

Answer 10

0.5-1%

Question 11

Left shift

Answer 11

In the presence of an infection the number of immature neutrophils (bands) will increase

Question 12

Platelet count normal level

Answer 12

150,000-400,000 mm^3

Question 13

Platelet count critical values

Answer 13

1 million

Question 14

Blood urea nitrogen normal level

Answer 14

10-20 mg/dl

Question 15

Creatinine normal level

Answer 15

Male: 0.5-1.2 mg/dl
Female: 0.5-1.1 mg/dl

Question 16

Sodium normal level

Answer 16

136-145 mEq/L

Question 17

Potassium normal level

Answer 17

3.5-5.0 mEq/L

Question 18

Chloride normal level

Answer 18

98-106 mEq/L

Question 19

CO2/HCO3 normal level

Answer 19

35-45 mEq/L

21-28 mEq/L

Question 20

Magnesium normal level

Answer 20

1.3-2.1 mEq/L

Question 21

Calcium normal level

Answer 21

9-10.5 mg/dL

Question 22

Phosphorus normal level

Answer 22

3.0-4.5 mg/dL

Question 23

Renal function

Answer 23

BUN, Creatinine

Question 24

Cellular function

Answer 24

Na, K, Cl, Ca, Mg, P

Question 25

Enzymatic function

Answer 25

Mg, P

Question 26

Glucose metabolism

Answer 26

Fasting BG and random BG

Question 27

Increased BUN

Answer 27

Dehydration, GI bleeding

Question 28

Decreased BUN

Answer 28

Over hydration, malnutrition, severe hepatic damage

Question 29

Increased Creatinine

Answer 29

Kidney impairment

Question 30

Decreased Creatinine

Answer 30

Decreased muscle mass

Question 31

Increased sodium

Answer 31

Dehydration, kidney disease, hypercortisolism

Question 32

Decreased sodium

Answer 32

Fluid overload, liver disease, adrenal insufficiency

Question 33

Increased potassium

Answer 33

Dehydration, kidney disease, acidosis, adrenal insufficiency, crush injuries

Question 34

Decreased potassium

Answer 34

Fluid overload, diuretic therapy, alkalosis, insulin administration, hyperaldosteronism

Question 35

Increased chloride

Answer 35

Metabolic acidosis, respiratory alkalosis, hypercortisolism

Question 36

Decreased chloride

Answer 36

Fluid overload, excessive vomiting/diarrhea, adrenal insufficiency, diuretic therapy

Question 37

Increased magnesium

Answer 37

Kidney disease, hypothyroidism, adrenal insufficiency

Question 38

Decreased magnesium

Answer 38

Malnutrition, alcoholism, ketoacidosis

Question 39

Increased calcium

Answer 39

Hyperthyroidism, hyperparathyroidism

Question 40

Decreased calcium

Answer 40

Vitamin D deficiency, hypothyroidism, hypoparathyroidism, kidney disease, excessive intake of phosphorus containing foods

Question 41

Increased phosphorus

Answer 41

Kidney disease, hypoparathyroidism, acidosis, hypcalcemia

Question 42

Decreased phosphorus

Answer 42

Chronic acid intake, hyperparathyroidism, hypercalcemia, vitamin D deficiency, alcoholism, malnutrition

Question 43

A1C normal level: non-diabetic

Answer 43

3.9-5.2%

Question 44

A1C good level: diabetic

Answer 44

6.9-

Question 45

A1C fair level: diabetic

Answer 45

8-9%

Question 46

A1C uncontrolled level: diabetic

Answer 46

>9%

Question 47

TSH normal level

Answer 47

2-10 mU/L

Question 48

T3 normal level

Answer 48

72-205 mg/dL (20-50 years) | 40-180 mg/dL (>50 years)

Question 49

T4 normal level

Answer 49

Male: 4-12 mcg/dL Female: 5-12 mcg/dL

Question 50

Free T4

Answer 50

0.8-2.8 mg/dL

Question 51

Hypothyroidism: Signs & Symptoms

Answer 51

Increased TSH Decreased T3 and T4 Fatigue, delayed reflexes, irregular menstrual cycle, cold intolerance, hair loss, CHF, hypothermia

Question 52

Hyperthyroidism: Signs and Symptoms

Answer 52

Decreased TSH Increased T3 and T4 Hyperthermia, heat intolerance, acute, involuntary weight loss, exopthalmus, CHF

Question 53

Total protein normal level

Answer 53

6.4-8.3 g/dL

Question 54

Albumin normal level

Answer 54

3.5-5.0 g/dL