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BIO Examination 4 Learning Objectives

BIO Examination 4 Learning Objectives - Examination 4 Final...

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Examination 4 ( Final Exam) Learning Objectives CHAPTERS 19 - 25: Microbial Diseases By the end of this unit you should be able to: • Cite the cause, mode of transmission, progression of disease, symptoms and treatment (including structure and mode of action of drugs) of the following diseases: Staphylococcal and Streptococcal Skin Infections Anthrax Conjunctivitis Meningitis Tetanus and Botulism Diphtheria and plague Rabies Rheumatic Fever Lyme Disease Leprosy and Polio Malaria Measles Tuberculosis Pneumonia Cholera Hepatitis A, B, C Gonorrhea, Syphilis Genital Herpes and other sexually transmitted diseases Influenza Amoebic Dysentery Toxoplasmosis Candidiasis Tinea pedis Systemic mycoses AIDS Warts Food Poisoning/Infection Chickenpox and shingles • Classify the organisms or infective particles that cause the above diseases, into groups, based on the classification criteria discussed in chapters 11, 12 and 13. Review Questions 1. A patient shows up in the doctor’s office with a skin infection. The causative agent is narrowed down to either Staphylococcus or Streptococcus. It is you job to correctly identify the causative organism. You may have to refer to previous chapters to answer some of these questions. • What would be the expected appearance of the two species of bacteria after the Gram staining procedure (gram reaction, shape, and cellular morphology)? • What symptoms would the patient be displaying if she had (a) a Staphylococcal infection, or (b) a Streptococcal infection. • What biochemical tests would you conduct to differentiate between the two species? • What type of medium would you grow each organism on? Justify your choice. What would be the expected appearance of the organisms/colonies on each type of medium? • How would you treat each type of infection? Be specific. Describe the mechanism of action of the drug. • How do these species of bacteria cause damage to skin cells? 2. Explain why Pseudomonads are often associated with nosocomial infections. What three factors contribute to nosocomial infections?
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3. In the past, hospitals used to purchase disinfectants in bulk containers. Explain why the incidence of nosocomial Pseudomonad infections dropped dramatically when hospitals switched to single-use packets of disinfectant. 4. What causes acne? What advice would you give a teenager regarding the avoidance and treatment of acne? 5. List four examples of microorganisms found on skin. Describe how they protect you from pathogens. 6. Cold sores and fever blisters are most commonly caused by _____________________.
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BIO Examination 4 Learning Objectives - Examination 4 Final...

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