Test Bank for Microbiology for the Healthcare Professional, 3rd Edition Questions And Answers

Test Bank for Microbiology for the Healthcare Professional, 3rd Edition Questions And Answers One type of microscope that provides a three- dimensional image of a specimen is a: - answers Scanning electron microscope One type of microscope capable of observing living micro-organisms is the: - answers Phase-contrast microscope Which scientist is most responsible for ending the controversy about spontaneous generation? - answers Louis Pasteur Fossils of Prokaryote go back _______ billon years - answers 3.5 to 4.0 Which of the following is not a microorganism? - answers Insect The correct order of the taxonomic category is: - answers Domain, kingdom, phylum, class, order, family, genus, species Complex communities of microorganisms on surfaces are called: - answers Biofilms A relationship between organisms in which the waste product of one provides nutrients for another is called: - answers Commensalism Which of the following sites of the human body does have normal flora? - answers Skin Which of the following industries use(s) microorganisms? A. Chemical B. Wine C. Cheese D. All of the above - answers D. All of the above The atomic number equals the number of: - answers Protons The chemical bond in which electrons are equally shared is a(n) - answers nonpolar covalent bond The bond between water molecules is a(n): - answers Polar covalent Bond The outermost shell of an atom can hold up to ____ electrons - answers 8 The bond between sodium and chlorine atoms in sodium chloride is a(n): - answers Ionic Bond Sucrose is composed of - answers Glucose and Fructose The bond between amino acids is a(n) - answers Peptide bond The unit molecules (monomers) of carbohydrates are: - answers Monosaccharaides The RNA nucleotide base that pairs with adenine of DNA is - answers Uracil Glucose and fructose are examples of - answers Monosaccharaides What is not found in all bacterial cells - answers Capsule Bacterial capsules are important in - answers Survival The cell organelle responsible for the packaging of proteins are the: - answers Golgi Complexes The cell organism found only in algae and plants cells is the - answers Chloroplast The intracellular fluid has a high concentration of - answers Potassium Which of the following is an active transport mechanism? - answers Pinocytes Which of the following is an enzyme? - answers Ligase The compound that enters the Krebs-cycle and combines with oxaloacetic acid is - answers Acetyl-Co A The anticodons are located in the - answers mRNA In which phase of mitosis do the chromatids separate - answers Anaphase The destruction of all microorganisms and their endospores is referred to as: - answers Sterilization The process by which the number of microbes on the human skin is reduced by scrubbing is called: - answers Degermation Chemically agar is a - answers Carbohydrate Media that contain complex organic substances such as blood for the growth of specific bacteria are referred to as: - answers Enriched media The media used to determine motility and growth patterns of bacteria - answers Semisolid media Nigrosin is a stain used in: - answers Negative Staining The stain used to identify bacteria with a large amount of peptidoglycan in their cell walls is the - answers Gram stain The medium selective for the growth of Staphylococcus species is: - answers Phenylethyl alcohol agar A growth that appears separate or semiconfluent is referred to as: - answers Beaded Which of the following media is not a differential medium based on fermentation? - answers Blood agar OSHA is a division of the: - answers U.S. Department of Labor There are ___ levels of biosafety depending on the organisms handled - answers 4 The biosafety level necessary in water-testing facilities is level: - answers 1 Which of the following bacteria should be handled in a Biosafety level 2 facility - answers Salmonella Agents associated with human disease, but generally not a serious health risk, are classified in which of the following risk groups? - answers RG2 Ebola viruses need to be handled in which of the following biosafety levels? - answers BSL-4 Fires from flammable metals require type _____ fire extinguishers. - answers D Bypass fume hoods belong to the group of: - answers General purpose Hoods The eyewash/safety showers should be used for immediate flushing only, until the victim reaches another unit - answers personal eyewash Not a blood-borne pathogen in the healthcare setting - answers Hepatitis A Straight, rod-shaped bacteria, some of which are endospore forming, are referred to as - answers Bacilli Beadlike chains of cocci formed after cell division along a single axis are called: - answers Streptococci Bacteria that use oxygen, but only at low concentration, are classified as: - answers Microaerophiles Bacteria that use organic compounds for both the source of carbon and energy are referred to as: - answers Chemoautotrophs Microorganisms that show optimal growth at moderate temperatures (between 25C and 40C) are called - answers Mesophiles A mutation that involves the deletion or insertion of one or more bases is a - answers