Microbiology Final Exam – Lecture Containing Correct Answers (Graded A+

Microbiology Final Exam – Lecture Containing Correct Answers (Graded A+ Mycology - Correct Answer>>study of fungi Medical Mycology - Correct Answer>>study of parasitic fungi Mycosis - Correct Answer>>any fungal infection Protozoans - Correct Answer>>unicellular animals, eukaryotic chemoheterotrophs, classified on their basis of thier means of motility Helminths - Correct Answer>>parasitic animals that can spend part of thie lives in humans, belong to either Platyhelminthes(flatworms) or Aschelminthes(round worms) Arthropods - Correct Answer>>largest phylum in animal kingdom, joint legged-animals Vectors - Correct Answer>>Arthropods that carry disease-causing microorganisms Viruses - Correct Answer>>obligatory intracellular parasites, range from 20-1000 nm in length, contain DNA or RNA Fungi - Correct Answer>>this organism reproduces by spores, have a cell wall composed of chitin Virion - Correct Answer>>complete, fully developed viral particle composed of nucleic acid surrounded by a coat Bacteriophages - Correct Answer>>types of viruses that infect bacteria, easiest viruses to grow Capsid - Correct Answer>>protein coat surrounding nucleic acid of a virus Portal of entry - Correct Answer>>means by which a pathogen enters a susceptible host Titer - Correct Answer>>an increase in antigens Localized infections - Correct Answer>>microbes remain confined to a particular anatomic spot Pathogens - Correct Answer>>disease-causing microorganisms Pathology - Correct Answer>>Scientific study of disease Infection - Correct Answer>>invasion and growth of pathogens in the body Virulence - Correct Answer>>refers to the degree or intensity of a disease produced Inoculation infection - Correct Answer>>infection from the accidental or surgical penetration of the skin or mucous membranes Terminal infection - Correct Answer>>chronic wasting diseases such as cancer, AIDS, often die from the immediate effects of some bacterial or viral infections Bactermia - Correct Answer>>when bacteria enter the bloodstream but they do not multiply Septicemia(blood poisoning) - Correct Answer>>when bacteria enters the bloodstream and multiply, causing infection of the bloodstream itself. Toxemia - Correct Answer>>when toxins liberated by bacteria enter the bloodstream and cause disease Ex. Diphtheria Mixed infection - Correct Answer>>cause by 2 or more organisms Focal infection - Correct Answer>>is one confines to a restricted area from which infectious material spreads to other parts of the body Generalized infection - Correct Answer>>microorganisms or their products are spread generally over the body by the bloodstream or lymphatic system Toxins - Correct Answer>>Poisonous subsances that are produced by certain microorganisms, 2 types endotoxins & exotoxins Toxigenicity - Correct Answer>>is the capacity of microorganisms to produce toxins Exotoxins - Correct Answer>>produced by bacteria, gram positive Endotoxins - Correct Answer>>released on destruction of a cell, gram negative Toxemia - Correct Answer>>presence of toxins in the blood Immunity - Correct Answer>>ability to ward off disease through bdy defenses Susceptiblity - Correct Answer>>lack of immunity