Drugs Acting on the Cardiovascular System and Blood Disorders
Introduction The cardiovascular system consists of the heart, blood vessels, and blood, and it is responsible for transporting oxygen, nutrients, […]
Drugs Acting on the Gastrointestinal System
Introduction The gastrointestinal (GIT) system plays a vital role in digestion, absorption of nutrients, and elimination of waste products. Various
Collection, transportation and processing of clinical samples for microbiology investigations
Introduction Accurate microbiological diagnosis depends largely on the quality of the clinical sample that reaches the laboratory. The process begins
Hypersensitivity
Introduction Hypersensitivity is an exaggerated or inappropriate immune response to an antigen (allergen) that leads to tissue damage and pathological
Immunoglobulins
Introduction The immune system is a sophisticated defense network that protects the body from infections and diseases. The humoral immune
Cells and organs of immune systems
Introduction to the Immune System The immune system is a complex network of cells, tissues, and organs that work together
Sterilization
Introduction Sterilization describes a process that destroys or eliminates all forms of microbial life and is carried out in health-care
Gram Staining
Principle Gram Staining is a differential staining technique developed by Hans Christian Gram in 1884. It works on the basis
AFB Stain
Principle The principle of AFB staining hinges on the unique properties of mycobacterial cell walls. These bacteria contain a high
Blood Sample Collection
Introduction Blood sample collection is a vital procedure in laboratory medicine for diagnosing, monitoring, and predicting diseases. The accuracy of
Lipid Chemistry
Introduction Lipids are a diverse group of organic biomolecules that are insoluble in water but soluble in non-polar organic solvents such
Social Groups
Introduction Human beings are social by nature and cannot live in isolation. Individuals interact with others and form organized relationships
Social Culture
Introduction Human health and disease are not determined only by biological factors but are deeply influenced by social structure, culture,
Bacterial Classification and Structure
Introduction Bacteria are prokaryotic, unicellular microorganisms that play essential roles in health, disease, environment, and biotechnology. They are widely distributed
Cellular Adaptation and Cell Death
Introduction Cells are the basic structural and functional units of life. In a constantly changing internal and external environment, cells
Blood Gas Analysis
Introduction Blood gas analysis is a vital diagnostic tool used to evaluate: Oxygenation status Ventilation status Acid–base balance It helps
Nutrition – II
Caloric Value of Foods The caloric value of food refers to the amount of energy released when food is completely
Nutrition
Introduction Nutrition is taking in food and converting it into energy and other vital nutrients required for life. Provide the
Determination of Total Cholesterol
AIM: Determination of Total Cholesterol Introduction Total cholesterol is the total amount of cholesterol present in blood, including LDL, HDL,
Promoting Safety in the Health Care Environment
Introduction A safe health care environment is essential for delivering quality patient care, preventing hospital-acquired infections, protecting health care workers,
Romanowsky dyes
Introduction Romanowsky dyes are a group of polychromatic staining techniques that are fundamental to diagnostic haematology. These stains are primarily
Cell injury
Introduction Cells are dynamic structures that constantly maintain internal balance (homeostasis). They adapt to stress through mechanisms such as hypertrophy,
Nosocomial Infection
Introduction Nosocomial infections, also known as hospital-acquired infections (HAIs), are infections that develop during a patient’s stay in a healthcare
Asepsis and Hand Hygiene in Healthcare
Introduction Infection prevention is a fundamental component of safe healthcare practice. Hospitals and laboratories are high-risk environments for the spread
Gas Gangrene
Introduction Gas gangrene is a severe, necrotizing soft tissue infection primarily caused by Clostridium perfringens, along with other species of
Acute Diarrheal Disease
Introduction Acute diarrheal disease is a significant global health issue that can result from various infectious agents, including bacteria, viruses,
Food Poisoning
Introduction Food poisoning is an acute gastrointestinal illness caused by ingestion of contaminated food or water. It may be due
Major Social Problems in India and the Difference Between Culture and Civilization
Introduction India is a developing country facing several major social problems that affect its growth and social stability. Problems such
Sociological Strategies for Developing Services for the Abused
Introduction Abuse as a Social IssueAbuse is not just a personal problem but a social issue linked to power imbalance,
Respiratory Tract Infections
Introduction Respiratory Tract Infections (RTIs) are infections affecting any part of the respiratory system. The respiratory tract is divided into: