Laboratory Tests

Description: This quiz will test your knowledge of various laboratory tests and their significance in medical diagnosis and patient care.
Number of Questions: 15
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Tags: laboratory tests medical diagnostics clinical chemistry hematology microbiology
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Which of the following laboratory tests is used to measure the concentration of glucose in the blood?

  1. Complete Blood Count (CBC)

  2. Urinalysis

  3. Fasting Blood Sugar (FBS)

  4. Liver Function Test (LFT)


Correct Option: C
Explanation:

Fasting Blood Sugar (FBS) is a laboratory test that measures the concentration of glucose in the blood after an overnight fast. It is commonly used to diagnose and monitor diabetes.

What is the primary purpose of a Complete Blood Count (CBC) test?

  1. To evaluate kidney function

  2. To detect infections

  3. To assess blood clotting ability

  4. To measure hormone levels


Correct Option:
Explanation:

A Complete Blood Count (CBC) test is a common laboratory test that measures the number, size, and types of blood cells, including red blood cells, white blood cells, and platelets. It is used to evaluate overall health, detect infections, and diagnose various blood disorders.

Which laboratory test is commonly used to assess liver function?

  1. Lipid Profile

  2. Urinalysis

  3. Liver Function Test (LFT)

  4. Thyroid Function Test (TFT)


Correct Option: C
Explanation:

Liver Function Test (LFT) is a group of laboratory tests that measure the levels of various enzymes, proteins, and bilirubin in the blood. It is used to assess liver function and detect liver damage or disease.

What is the purpose of a Lipid Profile test?

  1. To measure blood sugar levels

  2. To evaluate kidney function

  3. To assess heart health

  4. To detect infections


Correct Option: C
Explanation:

A Lipid Profile test measures the levels of various lipids, including cholesterol and triglycerides, in the blood. It is used to assess heart health and identify risk factors for cardiovascular disease.

Which laboratory test is used to diagnose and monitor urinary tract infections (UTIs)?

  1. Complete Blood Count (CBC)

  2. Urinalysis

  3. Liver Function Test (LFT)

  4. Thyroid Function Test (TFT)


Correct Option: B
Explanation:

Urinalysis is a laboratory test that analyzes the physical, chemical, and microscopic properties of urine. It is used to diagnose and monitor urinary tract infections (UTIs), kidney disease, and other medical conditions.

What is the primary purpose of a Thyroid Function Test (TFT)?

  1. To assess liver function

  2. To detect infections

  3. To evaluate kidney function

  4. To measure thyroid hormone levels


Correct Option: D
Explanation:

A Thyroid Function Test (TFT) measures the levels of thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3), in the blood. It is used to diagnose and monitor thyroid disorders, such as hypothyroidism and hyperthyroidism.

Which laboratory test is commonly used to screen for anemia?

  1. Lipid Profile

  2. Urinalysis

  3. Complete Blood Count (CBC)

  4. Liver Function Test (LFT)


Correct Option: C
Explanation:

A Complete Blood Count (CBC) test includes measurements of red blood cell count, hemoglobin levels, and hematocrit. It is commonly used to screen for anemia, a condition characterized by low red blood cell count or hemoglobin levels.

What is the purpose of a Coagulation Profile test?

  1. To measure blood sugar levels

  2. To evaluate kidney function

  3. To assess blood clotting ability

  4. To detect infections


Correct Option: C
Explanation:

A Coagulation Profile test measures the ability of blood to clot properly. It is used to evaluate bleeding disorders, monitor anticoagulant therapy, and investigate unexplained bleeding or clotting episodes.

Which laboratory test is used to diagnose and monitor sexually transmitted infections (STIs)?

  1. Complete Blood Count (CBC)

  2. Urinalysis

  3. Liver Function Test (LFT)

  4. STI Panel


Correct Option: D
Explanation:

An STI Panel is a group of laboratory tests that detect the presence of sexually transmitted infections (STIs) caused by bacteria, viruses, or parasites. It is used to diagnose and monitor STIs and prevent their transmission.

What is the primary purpose of a Renal Function Test (RFT)?

  1. To assess liver function

  2. To detect infections

  3. To evaluate kidney function

  4. To measure hormone levels


Correct Option: C
Explanation:

A Renal Function Test (RFT) measures the levels of various substances in the blood and urine to assess kidney function. It is used to diagnose and monitor kidney disease, electrolyte imbalances, and other conditions affecting kidney health.

Which laboratory test is used to diagnose and monitor diabetes?

  1. Lipid Profile

  2. Urinalysis

  3. Fasting Blood Sugar (FBS)

  4. Thyroid Function Test (TFT)


Correct Option: C
Explanation:

Fasting Blood Sugar (FBS) is a laboratory test that measures the concentration of glucose in the blood after an overnight fast. It is commonly used to diagnose and monitor diabetes, a condition characterized by high blood sugar levels.

What is the purpose of a Hemoglobin A1c (HbA1c) test?

  1. To measure blood sugar levels

  2. To evaluate kidney function

  3. To assess long-term blood sugar control

  4. To detect infections


Correct Option: C
Explanation:

A Hemoglobin A1c (HbA1c) test measures the average blood sugar levels over the past 2-3 months. It is used to assess long-term blood sugar control in individuals with diabetes and to diagnose and monitor prediabetes.

Which laboratory test is used to diagnose and monitor autoimmune diseases?

  1. Lipid Profile

  2. Urinalysis

  3. Antinuclear Antibody (ANA) Test

  4. Liver Function Test (LFT)


Correct Option: C
Explanation:

An Antinuclear Antibody (ANA) Test measures the presence of antinuclear antibodies in the blood. It is used to diagnose and monitor autoimmune diseases, such as lupus, rheumatoid arthritis, and Sjogren's syndrome.

What is the purpose of a C-Reactive Protein (CRP) test?

  1. To measure blood sugar levels

  2. To evaluate kidney function

  3. To assess inflammation

  4. To detect infections


Correct Option: C
Explanation:

A C-Reactive Protein (CRP) test measures the levels of C-reactive protein (CRP) in the blood. CRP is a protein produced by the liver in response to inflammation. It is used to assess inflammation in the body and to monitor the effectiveness of treatment for inflammatory conditions.

Which laboratory test is used to diagnose and monitor HIV infection?

  1. Lipid Profile

  2. Urinalysis

  3. HIV Antibody Test

  4. Liver Function Test (LFT)


Correct Option: C
Explanation:

An HIV Antibody Test detects the presence of antibodies against HIV in the blood. It is used to diagnose and monitor HIV infection, the virus that causes AIDS.

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