BI 234

BI 234 LAB #1 (BIOSAFETY LEVELS AND MICROBIAL UBIQUITY) EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Biosafety Level Categorization of Microorganisms into 4 Biosafety Levels based on their pathogenicity. This is used to determine the precautions necessary to protect the public, and safety equipment needed when handling these organisms. At each higher level, more restrictive safeguards are added to those already in place. Biosafety Level Considerations -Severity of disease. ...

BI 234; PCC JESSE; MICROBIOLOGY LAB EXAM 1 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS Culture medium A nutrient material prepared for the growth of microorganisms in a laboratory. Must provide an energy source, as well as carbon, nitrogen, sulfur, and phosphorus. Selective medium a culture medium with an ingredient that inhibits the growth of one type of bacterium, while allowing another type to grow. Facultative anaerobes Aerobes that do not REQUIRE oxygen, but will use it when pres...

BI 234 CARDIOVASCULAR/LYMPHATIC/NERVOUS DISEASES EXAM QUESTIONS AND ANSWERS WITH COMPLETE VERIFIED SOLUTIONS sepsis serious illness where pathogenic bacteria multiply in blood, affects all parts of the body, very difficult to predict/diagnose/treat, bacteria (90%) or fungi (10%), can be nosocomial (UTIs, abscesses, lungs - pneumonia, unknown), high risk for immunocompromised and very young (<1) or elderly, rapid diagnosis and treatment are critical (antimicrobials and blood pressure stabi...

BI 234 FIRST MIDTERM EXAM OUTLINE EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS Feedback mechanism Process that regulates a system based on its output Negative feedback Feedback that opposes the initial change and maintains homeostasis Positive feedback Feedback that amplifies the initial change and moves away from homeostasis Epithelia Tissue that covers body surfaces and lines body cavities Simple Squamous Epithelial tissue with a single layer of flat cells- disc nuclei Loc...

BI234 MICROBIOLOGY EXAM 4 - DISEASES AND ETIOLOGY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED TORCHES pathogens: TOxoplasmosis (Category A bioweapon) Rubella Cytomegalovirus (Category A bioweapon) HErpes, HIV Syphilis Category A bioweapons Anthrax Plague / Pneumonic Plague Botulism Smallpox Tularemia Viral Hemorrhagic Fevers (VHF) - Ex. Ebola All People Buy Scooters To Vroom Acne vulgaris Propionibacterium acnes Impetigo Staphylococcus aureus Streptococcu...

BI 234 LAB 1 ANSWER KEY EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED The protocols and procedures of which Biosafety Level are found in all four levels? Handwashing, PPE for smears and bacteria in liquids Which Biosafety Level includes the protocols and procedures of all other levels? BSL-4 Which organism is more likely to cause serious disease, a BSL-2 organism or a BSL-3 organism? BSL-3 organism Which Biosafety Level requires the use of sealed biosafety cabinets or posi...

BI 234 LECTURE 4 PRIONS & VIRUSES EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ What is a virus? A virus is a set of information that can reprogram a cell to transmit the information to another cell What is the physical form of information in a cell? -Nucleic acids= RNA and DNA Is a virion the most important part of a virus? No Are viruses similar to bacteria or other cells? No What part is a virion? The infective particle What did virions used to be called historica...

BI 234 CULTURING METHODS (EXAM 1) QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED Five I's I. inoculation II. incubation III. isolation IV. inspection V. identification inoculation producing a culture medium nutrient substance used for microbial growth broth a liquid medium that allows growth throughout agar gelatinous, yet firm medium, isolated from algae streak plate spreading microorganisms across the surface of agar pure culture population of cloned cells descende...

BI 234 ELEMENTARY MICROBIOLOGY CHAPTERS 20-26 EXAM QUESTIONS AND ANSWERS Chapter 20 Antimicrobial Drugs Chemotherapy treatment with chemical substances Antibiotic substances produced by microorganism that inhibits another microorganism Spectrum of activity range of different microbes affected by an antibiotic Bactericidal killing bacteria directly Bacteriostatic preventing bacterial growth Selective toxicity a drug that kills harmful microbes without damaging the host When initi...

MICROBIOLOGY BI 234 LECTURE EXAM 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS Which of the following cells of innate immunity is involved in allergic reactions? Select all that apply a. eosinophils b. neutropohils c. basophils d. macrophages a. Eosinophils c. Basophils Which of the cells of innate immunity ejects its chromatin to capture and immobilize bacteria? Neutrophils Which of the following is a characteristic of innate immunity, but not of adaptive immunity? Select ALL that ...