#1
Which blood test is commonly used to diagnose diabetes?
Hemoglobin A1c (HbA1c)
ExplanationMeasures average blood sugar levels over the past 2-3 months.
#2
Which of the following biomarkers is associated with cardiac muscle damage?
Troponin
ExplanationIndicates heart muscle injury, commonly used in diagnosing heart attacks.
#3
Which of the following is a marker for renal function?
Albumin
ExplanationHigh levels may indicate kidney damage or disease, used in assessing renal function.
#4
What does the C-reactive protein (CRP) test measure?
Inflammation
ExplanationCRP levels increase during inflammation, aiding in diagnosing infections or chronic inflammatory conditions.
#5
Which of the following is a test used to diagnose autoimmune disorders?
Erythrocyte Sedimentation Rate (ESR)
ExplanationESR measures the rate at which red blood cells settle in a tube, elevated in inflammation and autoimmune diseases.
#6
Which of the following biomarkers is associated with liver damage?
ALT (Alanine Aminotransferase)
ExplanationALT levels rise with liver damage, commonly used in diagnosing liver diseases like hepatitis.
#7
Which of the following tests is commonly used to diagnose thyroid disorders?
TSH (Thyroid-stimulating Hormone) test
ExplanationMeasures TSH levels, aiding in diagnosing thyroid dysfunction like hypothyroidism or hyperthyroidism.
#8
What is the primary function of a prothrombin time (PT) test?
To evaluate blood clotting ability
ExplanationAssesses how long blood takes to clot, aiding in diagnosing bleeding or clotting disorders.
#9
Which of the following is not a tumor marker?
AST
ExplanationAST is an enzyme indicating liver, heart, or muscle damage; not specifically a tumor marker.
#10
Which of the following is a genetic biomarker for breast cancer susceptibility?
BRCA1
ExplanationMutations in BRCA1 increase the risk of breast and ovarian cancer.
#11
What does the abbreviation LDH stand for in the context of laboratory testing?
Lactate Dehydrogenase
ExplanationAn enzyme indicating tissue damage or disease, including heart attack or liver disease.
#12
What is the primary purpose of a lipid panel test?
To evaluate lipid levels in the blood
ExplanationAssesses cholesterol and triglyceride levels, aiding in assessing cardiovascular health.
#13
Which of the following is a tumor marker associated with ovarian cancer?
CA-125
ExplanationElevated levels may indicate ovarian cancer, but not definitive for diagnosis.
#14
What is the main function of a urine dipstick test?
To detect abnormalities in the urine
ExplanationIdentifies various substances in urine, aiding in diagnosing urinary tract infections, kidney diseases, and other conditions.
#15
What does the acronym PCR stand for in the context of molecular biology?
Polymerase Chain Reaction
ExplanationA technique amplifying DNA, crucial in genetic testing and diagnostics.
#16
Which of the following is a diagnostic test for HIV?
HIV Antigen/Antibody Combination Test
ExplanationDetects both HIV antigens and antibodies, enabling earlier detection of infection.
#17
What is the technique used to detect specific DNA sequences in a sample, such as in genetic testing?
PCR (Polymerase Chain Reaction)
ExplanationAmplifies DNA sequences, crucial for identifying genetic variations and pathogens.
#18
What is the purpose of a culture and sensitivity test?
To identify the presence of bacteria or fungi in a sample
ExplanationCultures microorganisms to determine the most effective antibiotic or antifungal treatment.
#19
What is the primary purpose of an arterial blood gas (ABG) test?
To assess lung function and acid-base balance
ExplanationEvaluates oxygen and carbon dioxide levels, acidity, and other parameters, aiding in diagnosing respiratory and metabolic disorders.