#1
Which clinical chemistry marker is commonly used to assess kidney function?
Creatinine
ExplanationCreatinine is a waste product produced by muscles and excreted by the kidneys, making it a key indicator of renal function.
#2
What does HbA1c measure?
Blood glucose levels over time
ExplanationHbA1c reflects the average blood glucose levels over the past 2-3 months, providing a measure of long-term diabetes control.
#3
Which electrolyte is primarily responsible for maintaining normal muscle and nerve function?
Sodium
ExplanationSodium plays a crucial role in maintaining proper muscle and nerve function in the body.
#4
What is the main function of serum electrolyte testing?
Evaluating mineral balance
ExplanationSerum electrolyte testing is essential for assessing and maintaining the balance of minerals, such as sodium and potassium, in the body.
#5
Which of the following is NOT a lipid marker commonly measured in clinical chemistry?
Glucose
ExplanationGlucose is a carbohydrate, not a lipid; common lipid markers include cholesterol and triglycerides.
#6
Which enzyme is commonly elevated in liver damage or disease?
Aspartate aminotransferase (AST)
ExplanationAST is an enzyme found in high levels in the liver; elevated levels indicate potential liver damage or disease.
#7
Which of the following markers is associated with cardiac muscle damage?
Troponin
ExplanationTroponin is a protein released during heart muscle damage, making it a crucial marker for diagnosing cardiac events.
#8
Which of the following is a common tumor marker used in cancer diagnosis?
Prostate-specific antigen (PSA)
ExplanationPSA is a specific marker for prostate cancer and is commonly measured for early detection and monitoring of the disease.
#9
What is the primary source of lipase in the human body?
Pancreas
ExplanationLipase, an enzyme that breaks down fats, is primarily produced by the pancreas.
#10
Which of the following is a biomarker for bone formation?
Alkaline phosphatase (ALP)
ExplanationALP is an enzyme indicative of bone formation, making it a useful biomarker for assessing bone health.
#11
What is the primary use of measuring serum albumin levels?
Assessing nutritional status
ExplanationSerum albumin levels are indicative of nutritional status and overall health.
#12
Which of the following is a marker used in the diagnosis and monitoring of autoimmune disorders such as rheumatoid arthritis?
Rheumatoid factor (RF)
ExplanationRF is an autoantibody often elevated in autoimmune disorders, aiding in the diagnosis and monitoring of conditions like rheumatoid arthritis.
#13
Which of the following is a marker commonly used in the diagnosis and monitoring of bone disorders such as osteoporosis?
Parathyroid hormone (PTH)
ExplanationPTH plays a key role in calcium regulation and is measured to assess bone health and detect disorders like osteoporosis.
#14
Which of the following is a marker used in the diagnosis and monitoring of inflammatory bowel disease?
C-reactive protein (CRP)
ExplanationCRP is an inflammatory marker, elevated in conditions like inflammatory bowel disease, aiding in diagnosis and disease activity monitoring.
#15
Which of the following is a marker commonly used in the diagnosis and monitoring of autoimmune thyroid disorders such as Hashimoto's thyroiditis?
Thyroid peroxidase antibodies (TPOAb)
ExplanationTPOAb is an antibody associated with autoimmune thyroid disorders, aiding in the diagnosis and monitoring of conditions like Hashimoto's thyroiditis.