Examen Integrado Bioquímica Practice Questions - Examen Integrado de Residencias de la Salud - Bioquímica (Argentina) Exam - Examen Integrado Bioquímica Practice Questions - Examen Integrado de Residencias de la Salud

Question 1

According to the American Diabetes Association (ADA) and Sociedad Argentina de Diabetes (SAD) criteria, which laboratory finding confirms the diagnosis of Diabetes Mellitus in an asymptomatic adult patient when confirmed on repeat testing?

Fasting plasma glucose ≥ 126 mg/dL (7.0 mmol/L) after an overnight fast of at least 8 hours Two-hour plasma glucose ≥ 140 mg/dL during a 75-g oral glucose tolerance test (OGTT) Glycated hemoglobin (HbA1c) ≥ 5.7% measured by an NGSP-certified assay Random plasma glucose ≥ 160 mg/dL in the absence of classic hyperglycemic symptoms

Correct Answer:

Fasting plasma glucose ≥ 126 mg/dL (7.0 mmol/L) after an overnight fast of at least 8 hours

Question 2

Which standardized pre-analytical and analytical protocol is REQUIRED when performing an Oral Glucose Tolerance Test (OGTT / PTOG) for non-pregnant adult diagnostic evaluation?

Administering 75 g of anhydrous glucose in 300–375 mL of water consumed within 5 minutes, following 3 days of unrestricted carbohydrate intake (>150 g/day) and an 8–12 hour fast Administering 100 g of glucose after 24 hours of strict carbohydrate restriction and vigorous physical exercise Administering 50 g of glucose orally without prior fasting, measuring capillary blood glucose at 60 minutes only Administering 75 g of glucose following a 4-hour fast, with mandatory serial venous blood sampling every 15 minutes for 4 hours

Correct Answer:

Administering 75 g of anhydrous glucose in 300–375 mL of water consumed within 5 minutes, following 3 days of unrestricted carbohydrate intake (>150 g/day) and an 8–12 hour fast

Question 3

In which clinical condition will glycated hemoglobin (HbA1c) be FALSELY DECREASED relative to mean ambient glycemic levels?

Chronic autoimmune hemolytic anemia with shortened red blood cell survival Severe iron deficiency anemia with prolonged erythrocyte circulation lifespan Severe untreated vitamin B12 megaloblastic deficiency Aplastic anemia with profound marrow reticulocytopenia

Correct Answer:

Chronic autoimmune hemolytic anemia with shortened red blood cell survival

Question 4

A fasting lipid panel reveals: Total Cholesterol = 240 mg/dL, HDL-C = 45 mg/dL, and Triglycerides = 200 mg/dL. What is the estimated LDL-C using the Friedewald equation, and in which scenario is this formula INVALID?

LDL-C = 155 mg/dL; the formula is invalid when serum triglycerides exceed 400 mg/dL or chylomicrons are present LDL-C = 195 mg/dL; the formula is invalid when total cholesterol exceeds 200 mg/dL LDL-C = 135 mg/dL; the formula is invalid when HDL-C is below 50 mg/dL LDL-C = 165 mg/dL; the formula is invalid only when the patient has not fasted for at least 24 hours

Correct Answer:

LDL-C = 155 mg/dL; the formula is invalid when serum triglycerides exceed 400 mg/dL or chylomicrons are present

Question 5

Which equation is RECOMMENDED by international consensus (KDIGO) and Argentine nephrology guidelines for estimating glomerular filtration rate (eGFR) in adults based on serum creatinine?

CKD-EPI 2021 (Chronic Kidney Disease Epidemiology Collaboration) equation without race variable Cockcroft-Gault equation without body surface area adjustment MDRD-4 (Modification of Diet in Renal Disease) equation with race adjustment Schwartz bedside formula utilizing serum urea and urine volume

Correct Answer:

CKD-EPI 2021 (Chronic Kidney Disease Epidemiology Collaboration) equation without race variable

Question 1

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Prepare with the Examen Integrado Bioquímica Practice Questions - Examen Integrado de Residencias de la Salud - Bioquímica (Argentina) Exam practice quiz. This question bank includes 100 questions covering patient, laboratory, serum, blood, and diagnostic. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Examen Integrado Bioquímica Practice Questions - Examen Integrado de Residencias de la Salud - Bioquímica (Argentina) Exam

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Examen Integrado Bioquímica Practice Questions - Examen Integrado de Residencias de la Salud - Bioquímica (Argentina) Exam

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