Archive | February, 2011
Antiprotozoal Agents

Antiprotozoal Agents

Antiprotozoal Agents Causes of Protozoal Infections Insect bites Malaria Trypanosomiasis Leishmaniasis Ingestion or contact with the causal organism Amebiasis Giardiasis Trichomoniasis Protozoal Parasites Identified as Causes of Malaria Plasmodium falciparum Considered the most dangerous type of protozoan Plasmodium vivax Milder form of the disease; seldom results in death Plasmodium malariae Endemic in tropical countries; mild […]

Read more
Dorothea E. Orem

Dorothea E. Orem

Person/Client: A unity who can be viewed as functioning biologically, symbolically, and socially and who initiates¬† and performs self-care activities on own behalf in maintaining life, health and well-being; self-care activities deal with air, water, food elimination, activity and rest, solitude and social interaction, prevention of hazards to life and well-being, and promotion of human […]

Read more
Dorothy E. Johnson

Dorothy E. Johnson

Behavioral System Model (1959,1968,1974,1980) Person/Client: A behavioral system composed of seven subsystems: affiliative, achievement, dependence, aggressive, eliminative, ingestive, and sexual. Environment: Consists of all factors that are not part of the individual’s behavioral system but that influence the system and some of which can be manipulated by the nurse to achieve the health goal of […]

Read more
Betty Neuman

Betty Neuman

Health Care System Model (1972,1974,1980, 1982,1989) Person/Client: Open system consisting of a basic structure or central core of survival factors surrounded by concentric rings that are bounded by lines of resistance , a normal line of defense, and a flexible line of defense. The total person is a composite of physiologic, psychologic, sociocultural, and developmental […]

Read more
Imogene King

Imogene King

Goal Attainment Theory (1971,1981,1986,1987,1989) Person/Client: Three interacting systems; individuals (personal system), groups (interpersonal system), and society (social system); the personal system is a unified, complex, whole self who perceives, thinks, desires, imagines, decides, identifies goals, and selects means to achieve them. Environment: Adjustments to life and health are influenced by an individual;s interactions with environment. […]

Read more
Antifungal Agents

Antifungal Agents

Antifungal Agents What Is a Fungus? Fungus Composed of a rigid cell wall made up of chitin and various polysaccharides, and a cell membrane containing ergosterol Protective layers of the fungal cell make the organism resistant to antibiotics Patients Susceptible to Fungal Infections Patients with AIDS and AIDS-related complex (ARC) Patients taking immunosuppressant drugs Patients […]

Read more
Antiviral Agents

Antiviral Agents

Antiviral Agents Viruses That Respond to Antiviral Therapy Influenza A and some respiratory viruses Herpes viruses Cytomegalovirus (CMV) Human immunodeficiency virus (HIV) that causes acquired immune deficiency syndrome (AIDS) Some viruses that cause warts and certain eye infections Antivirals Across the Lifespan Characteristics of Common Viruses Viral replication A virus cannot replicate on its own […]

Read more
Antibiotics

Antibiotics

Antibiotics Antibiotics Antibiotics are defined as: Chemicals that inhibit specific bacteria Types of Antibiotics Bacteriostatic Substances that prevent the growth of bacteria Bactericidal Substances that kill bacteria directly Signs of Infection Fever Lethargy Slow-wave sleep induction Classic signs of inflammation (redness, swelling, heat, and pain) Goal of Antibiotic Therapy Decrease the population of the invading […]

Read more
Anti-infective Agents

Anti-infective Agents

Anti-infective Agents Drug Therapy Across the Lifespan Development of Anti-infective Therapy 1920s Paul Ehrlich worked on developing a synthetic chemical effective against infection-causing cells only Scientists discovered penicillin in a mold sample 1935 The sulfonamides were introduced Mechanisms of Action Interfere with biosynthesis of the bacterial cell wall Prevent the cells of the invading organism […]

Read more
Introduction to Cell Physiology

Introduction to Cell Physiology

Introduction to Cell Physiology Chemotherapeutic Agents Alter cellular function or disrupt cellular integrity, causing cell death Prevent cellular reproduction, eventually leading to cell death Chemotherapeutic Drugs Destroy organisms that invade the body Bacteria, viruses, parasites, protozoa, fungi Destroy abnormal cells within the body Neoplasms and cancers Parts of a Human Cell Nucleus Cell membrane Cytoplasm […]

Read more
Ping your blog