Unit 1-3 Lab Levels

Question 1

Magnesium

Answer 1

1.3-2.1 mEq/L

Question 2

GFR

Answer 2

> 90 mL/min

Question 3

Phosphorus

Answer 3

3.0-4.5

Question 4

Calcium

Answer 4

9-10.5 mg/dL

Question 5

Sodium

Answer 5

135-145 meq/L

Question 6

Potassium

Answer 6

3.5-4.5 mEq/L

Question 7

AST

Answer 7

0-35 units/L

Question 8

C-Reactive Protein (CRP)

Answer 8

< 3.0 mg/dL

Question 9

Erythrocyte Sedimentation Rate (ESR)

Answer 9

< 20 mm/hr

> 20 is issues

Question 10

Glocose

Fasting and 2hr Oral Glucose Tolerance Test (GTT)

Answer 10

Fasting: < 100

2hr: < 140

Question 11

Prostate-Specfic Antigen (PSA)

Answer 11

< 4 ng/ mL

> 4 requires further testing

Question 12

WBC

Answer 12

5,000-10,000

Under: Leukiopenia

Over: Leukocytosis

Question 13

RBC

Answer 13

Male: 4.7-6.1 million/uL

Female: 4.2-5.4 million/uL

Question 14

Platelets

Answer 14

150,000-400,000

Question 15

Hematocrit

Answer 15

Males: 42-52%

Females: 37-47%

Question 16

Hemoglobin (Hgb)

Answer 16

12-18 g/dL

Question 17

INR

Expected range and Therapeutic range on warfarin therapy

Answer 17

Expected range: 0.8-1.1

Therapeutic range on warfarin therapy: 2-3

Question 18

Prothrombin TIme (PT)

Expected and Therapeutic range on warfarin therapy

Answer 18

Expected: 11-13 seconds

Therapeutic: ~17.26 seconds

Question 19

Activiated parital thromboplastin time (aPTT)

Expected and Therapeutic range on HEPARIN

Answer 19

Expected: 30-40 seconds

Therapeutic: ~45-80 seconds

Question 20

pH

Range and high low meaning

Answer 20

Expected: 7.35-7.45

< acidosis

> alkalosis

Question 21

PaO2

Range and indication

Answer 21

80-100 mmHg

< 80 indicates poor oxygenation

Question 22

PaCO2

Expected range and high/low indications

Answer 22

• 35-45 mmHg
• <35 = respiratory alkalosis (doe to hypERventilation) or compensation for metabolic acidosis
• >45 = respiratory acidosis (due to hypOventalation) or compeensation for metabolic alkalosis

Question 23

HCO3

Expected range and high/low indication

Answer 23

• 22-26 mEq/L
• < 22 = metabolic acidocis (due to DKA, kidney failure or diarrhea OR compensation for respiratory alkalosis
• > 26 = metabolic alkalosis (due to antacids, vomiting, NG suctioning OR compensation for respiratory acidosis

Question 24

Ammonia

Answer 24

10-80 mcg/dL

Question 25

Albumin

Expected range and low level indication

Answer 25

• Expected 3.5-5
• Low levels can lead to edema and fatigue

Question 26

ALT

Answer 26

4-36 units/L

Question 27

Creatinine

Answer 27

60 to 110

High indicates poor kidney function