Mycoplasma has no cell wall. Penicillin inhibits (bacterial) cell wall synthesis so is ineffective in treating Mycoplasma.
Correct Answer: Mycoplasma pneumonia
Each of the listed organisms can cause the symptoms of pneumonia.
Correct Answer: All the choices
Mycobacterium tuberculosis does not produce a toxin.
Correct Answer: Mycobacterium tuberculosis
A pseudomembrane in the throat is a characteristic symptom of diphtheria, the disease caused by infection with Corynebacterium diphtheria.
Correct Answer: Corynebacterium diphtheriae
Nosocomial pneumonia is often associated with infection by Pseudomonas aeruginosa or Staphylococcus aureus. Chlamydophila pneumonia causes atypical community acquired pneumonia.
Correct Answer: Pseudomonas aeruginosa
Fungal infections are for the most part seen only in patients who are in some way immunocompromised. Fungi are found not only in the soil but also as resident flora of the body and any infection they could cause is usually kept in check by the adaptive immune response.
Correct Answer: Compromised immune system
Transmission of the Legionella organisms occurs through airborne droplets
Correct Answer: Airborne droplets
All of the organisms listed as possible answers can cause infections in which one of the symptoms will be a sore throat.
Correct Answer: All of the choices
Mycobacterium is a problem for the host defence because of its unique cell wall which interferes with macrophage function and with T cell activation. It also means many antibiotics are ineffective against Mycobacterium.
Correct Answer: False
Compliance by patients can be difficult because of the toxicity of the anti-tuberculosis drugs and the consequent side effects over the long time period they have to be taken.
Pertussis initially presents with the same symptoms as a cold so adults often bring it into schools and nurseries without knowing.
Correct Answer: True
Erythromycin is better for treating Legionnaires’ disease than penicillin because Legionella produces a \beta-lactamase enzyme that destroys penicillin.
For a long time, the Pneumocystis infection was confused with by a protozoan because of the shape of its nucleus and its spores.
AIDS patients have severe side effects with TMP-SMX therapy.
Histoplasmosis spores are usually referred to as microconidia because of their minute size.