Podcast
Questions and Answers
The ______ is a common respiratory syndrome caused by a virus.
The ______ is a common respiratory syndrome caused by a virus.
common cold
The bacteria E. coli is a type of bacillus.
The bacteria E. coli is a type of bacillus.
True (A)
What are threadlike projections that allow bacilli to move called?
What are threadlike projections that allow bacilli to move called?
Flagella
The presence of ______ in chains or threadlike projections that allow bacilli to move is often used for identification of the bacteria.
The presence of ______ in chains or threadlike projections that allow bacilli to move is often used for identification of the bacteria.
Bacilli that form ______ under certain conditions for growth are referred to as endospores.
Bacilli that form ______ under certain conditions for growth are referred to as endospores.
The ______ is composed of the outer membrane, cell wall, and cytoplasm.
The ______ is composed of the outer membrane, cell wall, and cytoplasm.
One of the major characteristics of ______ is the presence of a cell wall.
One of the major characteristics of ______ is the presence of a cell wall.
The ______ is a type of antibiotic that inhibits bacterial cell wall synthesis.
The ______ is a type of antibiotic that inhibits bacterial cell wall synthesis.
What is the name of the enzyme that breaks down penicillin?
What is the name of the enzyme that breaks down penicillin?
Which of the following is NOT an example of a superbug?
Which of the following is NOT an example of a superbug?
What type of antibiotic is commonly used to treat infections caused by Staphylococcus aureus?
What type of antibiotic is commonly used to treat infections caused by Staphylococcus aureus?
What is the name of the superbug that is resistant to penicillin?
What is the name of the superbug that is resistant to penicillin?
Carbapenem is the drug that is used to treat infections caused by MRSA.
Carbapenem is the drug that is used to treat infections caused by MRSA.
The ______ is a fungal infection that affects the mouth, skin, and vagina.
The ______ is a fungal infection that affects the mouth, skin, and vagina.
What is the name of the common, pathogenic, single-celled fungus that causes ringworm, athlete's foot, and histoplasmosis?
What is the name of the common, pathogenic, single-celled fungus that causes ringworm, athlete's foot, and histoplasmosis?
[Blank] are classified as having a single cell or multiple cells, are eukaryotic, and have a nucleus and organelles.
[Blank] are classified as having a single cell or multiple cells, are eukaryotic, and have a nucleus and organelles.
Anti-fungal medications are available to kill protozoa.
Anti-fungal medications are available to kill protozoa.
What is the name of the protozoa that causes malaria?
What is the name of the protozoa that causes malaria?
[Blank] are microscopic, single-celled organisms that lack a nucleus.
[Blank] are microscopic, single-celled organisms that lack a nucleus.
What type of organism causes African sleeping sickness?
What type of organism causes African sleeping sickness?
Flashcards
Drug-Resistant Bacteria
Drug-Resistant Bacteria
Bacteria that are no longer affected by common antibiotics, posing a serious threat to human health
MRSA
MRSA
Methicillin-resistant Staphylococcus aureus, a superbug that causes skin infections and pneumonia
Bacilli
Bacilli
Rod-shaped bacteria that may form spores and have flagella
Spirilla
Spirilla
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Spirochete
Spirochete
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Viruses
Viruses
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SARS
SARS
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Rickettsiae
Rickettsiae
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Protozoa
Protozoa
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Fungi
Fungi
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Study Notes
Superbugs
- Drug-resistant bacteria strains are called "superbugs"
- Examples of superbugs include:
- MRSA (Methicillin-resistant Staphylococcus aureus)
- VRE (Vancomycin-resistant Enterococcus)
- ESBL (Extended-spectrum beta-lactamases)
- MRAB (Multi-drug resistant Acinetobacter baumannii)
- CRE (Carbapenem-resistant Enterobacteriaceae)
- Antibiotic overuse/misuse can lead to the development of drug-resistant bacteria
Bacteria Types
- Bacilli: Rod-shaped bacteria
- Examples: tuberculosis, tetanus, pertussis (whooping cough), botulism, typhoid
- Spirilla: Spiral-shaped bacteria
- Examples: syphilis, cholera
- Vibrio: Comma-shaped bacteria
Other Pathogens
- Viruses: Cannot reproduce outside a host cell, not treatable with antibiotics
- Examples: common cold, measles, mumps, chickenpox, SARS (Severe Acute Respiratory Syndrome), WNV (West Nile Virus), Monkeypox, Hantavirus, Filoviruses (Ebola, Marburg), H5N1 (bird flu), COVID
- Protozoa: Single-celled animal-like organisms
- Examples: malaria, amebic dysentery, trichomonas, African sleeping sickness
- Fungi: Simple plant-like organisms
- Examples: ringworm, athlete's foot, histoplasmosis, yeast vaginitis, thrush
- Rickettsiae: Bacteria transmitted by insect bites
- Examples: typhus fever, Rocky Mountain spotted fever
Pathogen Transmission
- Some pathogens are transmitted through blood or body fluids.
- Some pathogens are transmitted by insects (e.g., mosquitoes).
- Pathogens can spread from person to person or from animals to humans.
Additional Notes
- Antifungal medications are not antibiotics
- Antibiotics kill bacteria
- Many pathogens can cause several diseases.
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