Microbiology Unit 3

1. Describe the importance of skin glands in health and disease. 2. List the three major groups of microorganisms making up the normal flora of the skin. 3. Describe the role of normal skin flora in health and disease. 4. List the skin diseases caused by: Staphylococcus aureus, Streptococcus pyogenes 5. Give the causative agent for the following diseases: Streptococcal impetigo, Chickenpox, Shingles, Superficial cutaneous mycoses 6. Give the major pathogenic and symptomatic features of the

1. Name one tissue component exposed by wounds to which pathogens specifically attach. 2. Describe the potentially beneficial and harmful aspects of abscess formation. 3. Define wound infections and describe their possible consequences. 4. Identify the most common bacterial causes of wound infections. 5. Outline the significance of methicillin-resistant Staphylococcus aureus (MRSA). 6. Give distinctive characteristics of three common wound infections caused by bacteria that grow in the pres

1. Outline the functions of the upper respiratory tract. 2. Describe the mucociliary escalator. 3. List the parts of the respiratory system that are normally free of bacterial flora. 4. Describe the important opportunistic pathogen that commonly inhabits the nose. 5. List the cause, major characteristics and modes of transmission for the following diseases: Streptococcal pharyngitis, Common cold, Pneumococcal pneumonia, Tuberculosis, Influenza 6. Name the reservoirs for infectious microorga

1. List the functions of the main components of the upper digestive tract. 2. List activities of the normal flora potentially of value to the host. 3. Give the most common sources of bacteria pathogenic for the intestine. 4. List the characteristics, causes, modes of transmission, prevention and treatment for the following diseases: Cholera, Escherichia coli O157:H7, Salmonellosis, Campylobacteriosis 5. List the symptoms, causes, pathogenesis, modes of transmission, treatment, if any, and pr

1. Describe the defense mechanisms that help to prevent infections in the urinary tract. 2. Give the possible consequences of fallopian tube infections. 3. Give the parts of the genitourinary system that lack a normal flora, and those that possess a normal flora. 4. Describe the factors that predispose to urinary tract infections. 5. List the characteristics, site of the disease, causes, modes of transmission, prevention and treatment for the following diseases: Bacterial cystitis (Pyeloneph

1. List the main components of the nervous system. 2. Describe how microorganisms gain entrance to the central nervous system. 3. Explain the importance of the blood-brain barrier in relation to treatment of infections of the central nervous system. 4. Describe the characteristics, symptoms, causes, pathogenesis, modes of transmission, prevention and treatment of bacterial meningitis. 5. Describe the characteristics, symptoms, causes, pathogenesis, modes of transmission, prevention and treat

1. Relate the nature of circulatory and lymphatic systems to the occurrence of generalized infectious disease. 2. Describe the symptoms, causes, pathology, occurrence, prevention and treatment of Gram-negative septicemia. 3. Describe the history, symptoms, cause, pathology (including virulence factors), forms of the disease, modes of transmission, prevention and treatment of plague. 4. Describe the symptoms, cause, pathology, forms of the disease, modes of transmission, prevention and treatme

1. Describe the global scope of HIV disease in terms of incidence and prevalence. 2. Identify the causative agent of HIV disease. 3. Differentiate between HIV disease and the end stage immunodeficiency known as AIDS. 4. Describe the HIV genome and its gene products. 5. Describe the major symptoms of HIV disease. 6. Explain how HIV infects certain types of cells and specifically destroys the immune system, causing disease in humans. 7. Explain how HIV is transmitted. 8. Describe how HIV di

1. Define the following terms: Microbial ecology, Community, Ecosystem 2. Differentiate among nitrification, denitrification, and nitrogen fixation. 3. Describe nitrogen fixation and explain its importance. 4. Explain the significance of rhizobia 5. Describe the effects of nutrient-rich runoff on water. 6. Describe what occurs in the nitrogen cycle. 7. Distinguish between oligotrophic and eutrophic waters. 8. Define biochemical oxygen demand (BOD) and explain its significance in wastewate