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Questions and Answers
What is the term used to describe a group of bacteria that has grown visible as a dot on a culture medium?
What is the term used to describe a group of bacteria that has grown visible as a dot on a culture medium?
- Colony (correct)
- Cluster
- Aggregate
- Culture
Which bacterial structure determines whether a bacterium stains as Gram positive or Gram negative?
Which bacterial structure determines whether a bacterium stains as Gram positive or Gram negative?
- Cytoplasm
- Cell wall (correct)
- Plasma membrane
- Genetic material
Which classification describes a viral infection that presents with acute symptoms like a skin rash and fever?
Which classification describes a viral infection that presents with acute symptoms like a skin rash and fever?
- Acute lytic viral infection (correct)
- Oncogenic viral infection
- Chronic viral infection
- Latent viral infection
Which of the following accurately differentiates aerobic and anaerobic bacteria?
Which of the following accurately differentiates aerobic and anaerobic bacteria?
What is a common misconception about antibacterial drugs in relation to viral infections?
What is a common misconception about antibacterial drugs in relation to viral infections?
In what primary location do viruses replicate?
In what primary location do viruses replicate?
When classifying Shingles, which category does it fall under?
When classifying Shingles, which category does it fall under?
What is one of the most effective preventive measures against the spread of many viral infections?
What is one of the most effective preventive measures against the spread of many viral infections?
What term is used to describe an organism that is too small to be seen without a microscope?
What term is used to describe an organism that is too small to be seen without a microscope?
Which of the following is NOT one of the four main types of microorganisms of concern in healthcare?
Which of the following is NOT one of the four main types of microorganisms of concern in healthcare?
What is the meaning of the term 'Mortality' in relation to health conditions?
What is the meaning of the term 'Mortality' in relation to health conditions?
What does 'Transient contamination' imply in healthcare settings?
What does 'Transient contamination' imply in healthcare settings?
Which definition accurately describes 'Colonization'?
Which definition accurately describes 'Colonization'?
How is 'Transmission' defined in the context of disease?
How is 'Transmission' defined in the context of disease?
Which of the following correctly describes an 'Antibiotic'?
Which of the following correctly describes an 'Antibiotic'?
What distinguishes prokaryotic cells from eukaryotic cells?
What distinguishes prokaryotic cells from eukaryotic cells?
What primarily distinguishes viruses from prions in terms of their structure?
What primarily distinguishes viruses from prions in terms of their structure?
What describes how a virus can be transmitted via the fecal-oral route?
What describes how a virus can be transmitted via the fecal-oral route?
In a systemic fungal infection, why is it challenging to effectively treat the infection?
In a systemic fungal infection, why is it challenging to effectively treat the infection?
Which type of infection is characterized by the presence of fungi in the body's tissues?
Which type of infection is characterized by the presence of fungi in the body's tissues?
What is the primary characteristic of trophozoites in protozoan infections?
What is the primary characteristic of trophozoites in protozoan infections?
What type of infection is commonly associated with Candida species?
What type of infection is commonly associated with Candida species?
Who is most likely to acquire systemic mycoses?
Who is most likely to acquire systemic mycoses?
Which of the following correctly describes a feature of eukaryotic cells?
Which of the following correctly describes a feature of eukaryotic cells?
Study Notes
Viral Infections & Prions
- Viral infections are transmitted through various routes, such as aerosols, body fluids, insect vectors, fecal-oral, and mother to fetus.
- Treatment of viral infections often relies on antiviral drugs, which inhibit viral replication.
- Prevention involves strategies like immunization, hygiene practices, and avoiding contact with infected individuals.
- Prions are infectious proteins that lack genetic material.
- They differ from viruses in their structure, as viruses contain genetic material enclosed in a protein capsid.
Fungal Infections
- Fungal infections are classified based on their location and severity.
- Cutaneous fungal infections involve the skin, while mucocutaneous infections affect both skin and mucous membranes.
- Systemic mycoses refer to infections that spread throughout the body.
- Systemic fungal infections are often challenging to treat due to the similarities between fungal and human cells, making it difficult to target specific fungal proteins.
- Immunocompromised individuals, such as those with weakened immune systems, are particularly susceptible to systemic mycoses.
- Dermatophytes are a group of fungi that cause skin infections like ringworm.
- Candida species are fungi that can cause mucocutaneous infections, such as thrush.
Protozoan Infections
- Protozoa are eukaryotic organisms that can cause infections.
- Trophozoites are the active, feeding, and reproducing stage of protozoan parasites.
- Protozoa are spread through various mechanisms, including contaminated water, food, and vectors like insects.
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Description
This quiz covers essential concepts related to viral and fungal infections, including transmission routes, treatments, and prevention methods. It also explores the unique characteristics of prions and the classifications of fungal infections. Test your knowledge on how these infectious agents affect human health.
