Meet the Microbes
Disease-causing microorganisms are called what?
Think “patho = disease”
Pathogens
The term infection refers to what process?
It’s when microbes break through
Pathogens penetrating host defenses
The purpose of staining cells on a microscope slide is to do what?
Think color contrast
Add contrast to see them better
Medicine focuses on the individual, whereas epidemiology focuses on the what?
Population-level study
Group
Which activity is an example of biotechnology?
Microbes making medicine
E. coli producing human insulin
Which group of microorganisms is composed only of hereditary material wrapped in a protein covering?
Tiny particles, not cells!
Viruses
Opportunistic pathogens cause disease in what kind of individuals?
Think “low immunity”
Compromised individuals
A culture growing both S. aureus and S. epidermidis is likely what?
Not a pure sample
Contaminated
Which of the following contributes to healthcare-associated infections?
Patients, staff, and environment
Using microbes to detoxify heavy metals is called what?
"Bio-cleanup”
Bioremediation
Microorganisms are best defined as organisms that are too small to be seen with what?
You’ll need a microscope!
The unaided eye
The process where white blood cells engulf microbes is called what?
“Cell eating”
Phagocytosis
Which type of medium is best for shipping bacteria to a lab?
Keeps them alive, not growing
Transport medium
Three major types of healthcare-associated infections include urinary tract, surgical site, and what?
Think ventilators
Respiratory infections
Studies of immune responses to infection are performed by what kind of scientist?
\Think immune system
Immunologist
The number one worldwide infectious diseases are?
They spread through the air
Respiratory diseases
Local edema, swollen lymph nodes, and fever are signs of what?
Classic immune response
Inflammation
What kind of medium helps isolate Neisseria gonorrhoeae from vaginal samples?
“Selects” for one type
Selective medium
A dramatic increase in disease incidence in a population is called what?
Sudden outbreak
Epidemic
The term for small numbers of bacteria in the blood is what?
“Bacteria in the blood”
Bacteremia
The majority of oxygen in Earth’s atmosphere is a product of photosynthesis by what?
Tiny but mighty oxygen producers!
Microorganisms
Endogenous infectious agents arise from microbes that are from where?
Your own flora gone rogue
The patient’s own normal biota
ATP is best described as what?
Cellular “fuel”
The energy molecule of cells
A disease is on the CDC’s Notifiable Disease List if it does what?
It’s serious and must be tracked
Poses potential danger to public health
Someone who harbors a pathogen and spreads it without symptoms is called what?
The “silent spreader”
Carrier