Sensory Physiology: Mechanisms of Operation and Information Encoding Sensory Physiology: Mechanisms of Operation and Information Encoding Introduction Senses are complex systems that enable our bodies to receive information from both internal and external environments. This allows us to perceive and interact with the world around us. This article explores the mechanisms of sensory physiology, including…
Life in the Geologic Eras Life in the Geologic Eras This article will explore the evolution of life through the geologic eras, from the simplest life forms to the emergence of humankind. 1. The Archean Eon (roughly 4.5 billion years ago – 2.5 billion years ago) Characteristics: The Archean Eon was the earliest period in…
Characteristics of the Circulatory System in Children Characteristics of the Circulatory System in Children 1. Fetal Circulation: Formation: Fetal circulation begins to form at the end of the second month of pregnancy. Characteristics: Blood flow: Blood from the right ventricle passes through the ductus arteriosus into the aorta, then nourishes the body and the placenta.…
Epidemiological Surveillance (ES) Epidemiological Surveillance (ES) 1. Definition: Epidemiological surveillance (ES) is the systematic and ongoing collection, analysis, interpretation, and dissemination of health information. This activity plays a crucial role in monitoring the health status of a population, identifying health risks and outbreaks early, evaluating the effectiveness of prevention and control measures, and informing public…
Bài 21+22: Genetics and its Applications Bài 21+22: Genetics and its Applications Content: 1. Genetic Counseling: Disease Diagnosis Methods: Pedigree analysis: Constructing a family tree to track the transmission of traits, allowing prediction of the risk of disease in future generations. Note: This method is often used to identify carriers of recessive genes. Prenatal diagnosis:…
Lesson 24: Evidence for Evolution Lesson 24: Evidence for Evolution 1. Molecular Biology Evidence Molecular biology evidence refers to the similarities in the structure and function of organic molecules found in different species, reflecting their shared ancestry. Specific examples: Genetic Code: All living organisms today share a universal genetic code, indicating their close relationship. DNA…
Parasitology 101 Parasitology 101 Introduction Parasites are a diverse group of organisms that include bacteria, fungi, protozoa, helminths (worms), and even some arthropods. They rely on a host for survival and reproduction, causing a range of health impacts on their hosts, from mild symptoms to severe diseases. Symbiotic Relationships Mutualism: Both organisms benefit from the…
Principles of Disease Investigation and Control Principles of Disease Investigation and Control 1. Concept of an Outbreak Outbreak is a situation where the number of cases of a particular disease or deaths from the disease exceeds the average number over many years in a community (CĐ). Outbreak investigation is the process of collecting information about…
**Pharmacology** **Pharmacology** 1. Pharmacology Definition: Pharmacology is the study of the interactions between drugs and living systems, including the human body and animals. Objectives: Understand the mechanisms of drug action on the body. Determine the most effective dosage and route of administration. Identify and minimize adverse drug effects. Develop new drugs that are effective and…
Basedow’s Disease: Symptoms, Diagnosis, and Treatment Basedow’s Disease: Symptoms, Diagnosis, and Treatment Basedow’s disease, also known as Graves’ disease, is an autoimmune disease caused by the body’s immune system attacking the thyroid gland, leading to increased thyroid hormone production. This condition is most common in young women, but can occur in men and at any…