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Laboratory Investigations - Normal Values

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Laboratory Investigations - Normal Values

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Questions and Answers

What is the reference range for fasting blood glucose levels?

90 - 130 mg/100ml blood

100 - 140 mg/100ml blood

70 - 100 mg/100ml blood

80 - 120 mg/100ml blood (correct)

Which test result indicates a potentially abnormal 2-hour post prandial blood sugar level?

> 100 mg/100 ml blood

> 140 and < 180 mg/100 ml blood

< 140 mg/100 ml blood

≥ 200 mg/100 ml blood (correct)

What is the normal reference range for prothrombin time?

10 - 14 seconds or 75-95%

8.5 - 12.5 seconds or 60-80%

11 - 15 seconds or 80-100%

9.5 - 13.2 seconds or 70-100% (correct)

Which of the following is the correct reference range for thrombin time?

14.9 - 19.8 seconds Signup and view all the answers

What is the range for normal Activated Partial Thromboplastin Time (PTT)?

23 - 33 seconds Signup and view all the answers

What is the normal range for hemoglobin in females?

12-16 gram / 100 ml of blood Signup and view all the answers

Which of the following represents the normal value range for serum creatinine in males?

0.6-1.3 mg/dl Signup and view all the answers

What is the upper limit of the normal value range for SGOT (AST) in males?

44 units/L Signup and view all the answers

What is considered the normal value for cholesterol in males?

150-250 mg / 100ml blood Signup and view all the answers

Which of the following is the normal range for serum calcium in males?

8.7-10.7 mg/dl Signup and view all the answers

What is the normal value for platelets in males?

150,000-400,000 cumm blood Signup and view all the answers

Which of the following values is within the normal range for serum potassium in males?

3.4-5.3 m mol/L Signup and view all the answers

What normal value range corresponds to uric acid in females?

2.6-6.8 mg/dl Signup and view all the answers

What is the normal value range for blood urea nitrogen (BUN) in males?

8-21 mg/dl Signup and view all the answers

What is the upper limit of normal for bilirubin (total) in males?

1.3 mg/dl Signup and view all the answers

Study Notes

Laboratory Investigations - Normal Values

Complete blood count (CBC)
- Red blood cells (RBCs): Male: 4.5 - 6.0 x10¹⁴ cu mm blood; Female: 4.3 - 5.5 x10¹⁴ cu mm blood
- White blood cells (WBCs): 5,000 - 10,000 cu mm blood
- Platelets: Male: 13.5 - 18 gram / 100 ml of blood; Female: 12 - 16 gram / 100 ml of blood
- Hemoglobin: Male: 12 - 16 gram / 100 ml of blood; Female: 12 - 16 gram / 100 ml of blood
- Hematocrit: Male: 42% - 54%; Female: 38% - 46%
Liver function test
- Albumin: 3.5 - 5.0 g/dL
- Bilirubin "Total": 0.2 - 1.3 mg/dL
- Bilirubin "Direct": Up to 0.25 mg/dL
- SGPT "ALT": 3 - 44 units/L
- SGOT "AST": 0 - 40 units/L
Renal function test
- Serum creatinine: Male: 0.6 - 1.3 mg / dL; Female: 0.5 - 1.1 mg / dL
- Creatinine clearance: Male: 85 - 125 ml/min; Female: 75 - 115 ml/min
- Uric acid: Male: 3.5 - 7.7 mg / dL; Female: 2.6 - 6.8 mg / dL
Electrolytes
- Serum calcium: 8.7 - 10.7 mg / dL
- Serum potassium: 3.4 - 5.3 m mol / L
- Serum sodium: 137 - 147 m mol / L
- Serum chloride: 99 - 108 m mol / L
- Magnesium: 1.6 - 2.7 mg / dL
- Phosphorus: 2.5 - 4.6 mg / dL
Lipid panel
- Cholesterol: 150 - 250 mg / 100ml blood
- HDL Cholesterol: <40
- LDL Cholesterol: <130
- Triglyceride: 30 - 149 mg / dL
- Lipase: 10 - 52 units / L

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Description

Test your knowledge on the normal values of laboratory investigations including complete blood count, liver function tests, renal function tests, and electrolytes. This quiz covers key concepts and standard ranges related to these essential tests. Perfect for students in medical or health sciences.