Exam1
What are the microorganisms that are harmful to humans referred to as?
Pathogen
A microorganism that has an optimum growth temperature of 37°C, but can survive short exposure to high temperatures is called?
Thermoduric
What is the first stage of clinical infection?
Incubation
True or False: Pseudomonas is an opportunistic pathogen.
True
When a disease spreads across the world, what is the type of spread called?
Pandemic
Microorganisms that live in severe habitats, such as very hot, acidic, or salty environments, are called?
Extremophiles
What is the transfer of genetic material between bacteria via a bridge-like connection between the two bacterial cells?
Conjugation
The bacteria that looks like a coffee bean indicates which type of STD?
Gonorrhea
What scientist performed an experiment to disprove the idea of spontaneous generation?
Louis Pasteur
What is the term for the structure that surrounds the nucleic acid in the central core?
Capsid
What are the two types of operons?
Inducible and repressible
What are the three forms of anthrax?
Cutaneous, pulmonary, and gastrointestinal
What would be the power of magnification when using a microscope with a 10x ocular lens and a 55x objective lens?
550x
An organism that must obtain organic compounds for its carbon needs is referred to as?
Heterotroph
What is a set of genes regarded as a single unit?
An operon
What are the three stages of Bordetella pertussis?
Catarrhal, Paroxysmal, Convalescence
What is a rapid technique that can test for the presence of specific DNA sequences from tiny amounts of DNA within hours?
PCR (Polymerase chain reaction)
What are the 5 steps of viral phage replication?
Adsorption, Penetration, Replication, Assembly, Maturation, and Lysis & Release
What is the ratio of the dose of the drug that is toxic to humans as compared to its minimum effective dose (MIC)?
Therapeutic index
Case study: As a nurse, you examine a patient presenting with fever, headache, and a stiff neck, and you notice a bull's-eye rash. What disease should be suspected?
Lyme Disease