Biomedical Science(Degree) · Fourth Year · BIO402
Clinical Biochemistry
Clinical Biochemistry examines the chemical processes within the human body and their relevance to disease diagnosis and monitoring. This course is central to biomedical science exam preparation, as it covers laboratory tests commonly used in clinical settings across Zambia. Students learn to interpret biochemical results …
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Clinical Biochemistry examines the chemical processes within the human body and their relevance to disease diagnosis and monitoring. This course is central to biomedical science exam preparation, as it covers laboratory tests commonly used in clinical settings across Zambia. Students learn to interpret biochemical results related to organ function, metabolism, and disease progression. The course supports career paths in diagnostic laboratories, research institutions, and healthcare facilities. By combining theoretical knowledge with practical relevance, learners gain skills that enhance analytical thinking, laboratory competence, and professional readiness in biomedical and clinical science fields.
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Topic 37
Diagnostic Test Evaluation
Covers sensitivity, specificity, PPV, NPV, and likelihood ratios. Teaches statistical assessment of test validity using examples like malaria and HIV screening. Vital for Zambian lab scientists and public health professionals to design programs and interpret results accurately.
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Topic 38
Gout and Hyperuricaemia
This topic addresses the biochemistry and clinical aspects of purine metabolism disorders, focusing on hyperuricaemia and gout. It is highly relevant for tertiary students in Zambia pursuing studies in clinical biochemistry, rheumatology, or internal medicine. The curriculum covers the pathogenesis of gout, including uric acid crystal formation, the biochemical tests used for diagnosis (serum uric acid, synovial fluid analysis), and the associated risk factors such as diet, alcohol intake, and renal function. For Zambian college and university learners, understanding this condition is important for both examination success and clinical practice, as gout is a common and painful arthritis. This topic prepares graduates to assist in the diagnosis and understanding of metabolic arthritides in hospital and outpatient settings.
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Topic 39
Vitamin Deficiencies and Functions
Explores biochemistry, sources, and roles of water- and fat-soluble vitamins. Covers deficiency diseases like scurvy, beriberi, rickets, and night blindness. Crucial for nutrition and public health students in Zambia to address widespread micronutrient issues.
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Topic 40
Antidiuretic Hormone (ADH) and Water Balance Disorders
This advanced topic explores the physiology of Antidiuretic Hormone (ADH/Vasopressin) and its critical role in regulating water balance and plasma osmolality. Zambian university students in clinical biochemistry, physiology, or medicine will study the synthesis, release, and action of ADH on the renal collecting ducts. The module covers disorders of ADH function, including Syndrome of Inappropriate ADH Secretion (SIADH) and Diabetes Insipidus (central and nephrogenic). Mastery of this topic is essential for interpreting serum and urine osmolality results, diagnosing complex fluid and electrolyte imbalances, and excelling in tertiary-level examinations. This knowledge is crucial for managing patients in critical care, nephrology, and endocrinology departments within Zambian hospitals.
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Topic 41
Bilirubin Metabolism and Differential Diagnosis of Jaundice
This detailed topic is a cornerstone for Zambian students in medical laboratory science, hepatology, and clinical medicine. It provides a deep dive into the complete metabolic pathway of bilirubin, from the breakdown of heme in reticuloendothelial cells to the formation of unconjugated (indirect) bilirubin, its transport to the liver, conjugation by UDP-glucuronosyltransferase (UGT) to form conjugated (direct) bilirubin, and final excretion into bile and conversion to urobilinogen. The topic emphasizes the application of this knowledge in clinically differentiating the three main types of jaundice: pre-hepatic (unconjugated hyperbilirubinemia, e.g., hemolysis), hepatic (mixed or conjugated, e.g., hepatitis, Gilbert's syndrome), and post-hepatic/obstructive (conjugated hyperbilirubinemia, e.g., gallstones). You will learn to interpret laboratory patterns, including urine bilirubin and urobilinogen, to pinpoint the site of dysfunction. Mastering this pathway is essential for accurate diagnosis of liver and biliary tract diseases, a common challenge in Zambian clinical settings, and is fundamental for success in professional licensing and university examinations in medical biochemistry.
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Topic 42
Laboratory Quality Assurance
Covers total quality management, internal/external QC, and pre-analytical errors. Focuses on specimen collection, handling, and preventing inaccuracies. Mandatory for Zambian medical lab students to ensure reliable diagnostics and meet accreditation standards.
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Coming soon
Topic 43Coming soon
Regulation of Glycogen Metabolism by Hormonal Signaling
This integrative topic is crucial for Zambian college and university students in biochemistry, physiology, and endocrinology. It explores how the hormones insulin and glucagon (via cAMP) exert opposing control over glycogen synthesis and breakdown to maintain blood glucose homeostasis. You will study in detail the cAMP-mediated pathway where glucagon or epinephrine activates protein kinase A (PKA), leading to the phosphorylation and activation of glycogen phosphorylase (for breakdown) and inhibition of glycogen synthase. Conversely, the insulin signaling pathway (via PI3K/Akt) promotes glycogen synthesis by inactivating glycogen synthase kinase-3 (GSK-3), thereby activating glycogen synthase. Understanding these regulatory mechanisms, including allosteric controls, is key to comprehending metabolic states like fasting and feeding. This knowledge is directly applicable to understanding the pathophysiology of diabetes mellitus, a condition of significant public health importance in Zambia, and is essential for excelling in metabolism-focused modules within biomedical science and medical degree programs.
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Topic 44
Gout and Purine Metabolism
Examines uric acid metabolism, hyperuricemia, and acute gouty arthritis. Covers risk factors, diagnosis (serum urate, synovial fluid), and treatment. Important for biomedical and clinical students in Zambia to manage this common metabolic arthritis.
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Topic 45
Consequences of Parenchymal Liver Failure
This advanced clinical topic examines the multisystem complications arising from severe, irreversible damage to hepatocytes (parenchymal liver failure). Zambian university students in clinical biochemistry, medicine, or hepatology will explore the pathophysiology behind key consequences: jaundice (conjugated hyperbilirubinaemia), hepatic encephalopathy (elevated ammonia), coagulopathy (impaired synthesis of clotting factors), hypoalbuminaemia (oedema and ascites), and portal hypertension. Understanding these interconnected failures is critical for passing high-level examinations and for managing critically ill patients in tertiary hospitals in Zambia. This topic integrates previously learned concepts of liver function tests into a comprehensive picture of end-stage liver disease, preparing graduates for complex clinical decision-making.