BNNS501 First Exam Questions With Quality Solutions
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Course
BNNS501
Institution
BNNS501
Infection - ANS > An invasion of a pathogenic microbe causing symptoms
Incubation Period - ANS > Interval between entry of pathogen and appearance of first symptoms
Prodromal Stage - ANS > Interval from onset of non-specific symptoms and signs
Illness Stage - ANS > ...
BNNS501 First Exam Questions With Quality Solutions
Infection - ANS > An invasion of a pathogenic microbe causing symptoms
Incubation Period - ANS > Interval between entry of pathogen and appearance of first symptoms
Prodromal Stage - ANS > Interval from onset of non-specific symptoms and signs
Illness Stage - ANS > Patient manifests signs and symptoms specific to infection. Maximum pathogen
multiplication.
Convalescence - ANS > Acute symptoms disappear. Pathogen load is declining but still present and
active
Mechanism of Action - ANS > How it damages cells/tissues (direct damage, interfering metabolism)
Infectivity - ANS > Ability to invade and multiply
Pathogenicity - ANS > Ability to produce disease, impacted by reproduction rate and extent of tissue
damage
Virulence - ANS > Potency of the pathogen
Immunogenicity - ANS > Ability to induce an immune response
Toxigenicity - ANS > Helps determine the virulence (how much toxin it produces)
Acute Lytic Infection - ANS > Cold, Mumps and Influenza
Subclinical Infection - ANS > No recognisable signs and symptoms
, Latent Infection - ANS > Patient makes an apparent recovery, but virus has not been completely
eliminated
Chronic Infection - ANS > Virus remains in the host- production of new viruses is at a low level but
continuous
Normal Flora - ANS > Microorganisms that are normally found inhabiting our body
Transient Flora - ANS > Microorganisms that temporarily inhabit or do not normally inhabit our body
Keratinocytes - ANS > Produce Keratin which protects from heat, microbes and chemicals
Melanocytes - ANS > Produce and process Melanin which absorbs UV
Merkel Cell - ANS > Detects light, touch etc
Langehern Cell - ANS > Ingest unwanted invaders
Active Transport - ANS > Substances move across the membrane against their concentration gradients
with the input of ATP energy
Aerobic Respiration - ANS > The most efficient method of ATP production that uses Oxygen. Produces
around 30 ATP molecules
Anabolism - ANS > Building larger molecules from smaller molecules
Anaerobic Respiration - ANS > ATP production method when insufficient oxygen available. Only
produces 2 molecules of ATP
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