The Rickettsiae and Ehrlichiae Quiz

Which of the following is NOT a major group of pathogenic bacteria?

Chlamydiae

Streptococcus (correct)

Rickettsiae

Mycoplasma

Which of the following is an adverse effect of antibiotics?

Decreased antibiotic resistance

Liver damage (correct)

Enhanced immune response

Increased risk of viral infections

Which of the following describes the mechanism by which antibiotics inhibit the growth and metabolism of bacteria?

Disruption of viral replication

Activation of the body's immune response

Inhibition of fungal cell wall synthesis

Interference with bacterial protein synthesis (correct)

Which organism is a major cause of pneumonia in immunosuppressed people?

Streptococcus pneumoniae Signup and view all the answers

Which organism causes meningitis?

Neisseria meningitidis Signup and view all the answers

Which organism causes gonorrhea?

Neisseria gonnerhea Signup and view all the answers

Which organism is a common cause of bacterial pneumonia and ear infections?

Streptococcus pneumoniae Signup and view all the answers

What is the purpose of Gram staining in bacterial classification?

To differentiate between gram-positive and gram-negative bacteria Signup and view all the answers

Which type of bacteria has a peptidoglycan layer that is much thinner and lacks teichoic acid?

Gram-negative bacteria Signup and view all the answers

Which of the following is a modern technique used for bacterial identification?

MALDI-TOF-MS Signup and view all the answers

Which one of these is a characteristic of gram-negative bacteria?

They produce both exotoxins and endotoxins Signup and view all the answers

Which one of these is a characteristic of gram-positive bacteria?

They are important for controlling what comes into and out of the cell Signup and view all the answers

Which one of these is a characteristic of Staphylococci?

They are normal inhabitants of the skin Signup and view all the answers

Which one of these is a characteristic of Streptococci?

They are categorized further based on blood agar culture Signup and view all the answers

Which of the following is NOT a characteristic of viruses?

They can reproduce outside living cells Signup and view all the answers

Which of the following is a characteristic of Mycoplasma pneumoniae?

It causes primary atypical pneumonia Signup and view all the answers

Which of the following is a mode of action of viruses?

Asymptomatic latent viral infection Signup and view all the answers

Which of the following is a characteristic of Rickettsiae and Ehrlichiae?

They are susceptible to tetracycline or chloramphenicol Signup and view all the answers

Which bacteria is responsible for causing Legionnaire's disease, a severe pneumonia that is inhaled from contaminated water?

Legionella Signup and view all the answers

Which bacteria is commonly found in the gastrointestinal tract but can cause toxic effects such as inflammation, anemia, bloody diarrhea, and abdominal pain when ingested through raw or uncooked animal products?

E.coli Signup and view all the answers

Which bacteria primarily infects the lungs and is highly contagious through airborne transmission? It is characterized by latent infection in most individuals, but can progress to chronic cough, blood in sputum, fever, and weight loss in some cases.

Mycobacterium tuberculosis Signup and view all the answers

Which bacteria is responsible for Lyme disease, which is transmitted through infected tick bites and can cause symptoms such as a circular 'bulls eye' rash, flu-like symptoms, cardio/neuro complications, joint pain, chronic arthritis, and neuro deficits?

Borrelia burgdorferi Signup and view all the answers

Which type of immunity is often superior to humoral immunity in fighting viral infections?

Cell-mediated immunity Signup and view all the answers

What is the most effective defense against most viral infections?

Vaccination Signup and view all the answers

Which type of organism is most commonly associated with decaying matter?

Fungi Signup and view all the answers

Which type of fungi causes infections mainly in immunocompromised individuals?

Candida albicans Signup and view all the answers

Which type of fungal infection can result in severe pulmonary and systemic disease in immunocompromised individuals?

Aspergillosis Signup and view all the answers

Which factor can contribute to the development of allergic asthma triggered by fungal infections?

Decaying plant matter Signup and view all the answers