13 Questions
Which of the following genera is responsible for causing primary amebic meningoencephalitis (PAM)?
Naegleria
What disease is caused by Acanthamoeba spp in individuals with compromised immune systems?
Granulomatous amebic encephalitis (GAE)
Which of the following diseases is produced by Naegleria fowleri?
Primary amebic meningoencephalitis (PAM)
What is the function of the auricle in the external ear?
Collect air vibration
Which nerve supplies the extrinsic and intrinsic muscles of the auricle in the external ear?
Facial nerve
What is the length of the external auditory meatus in adults?
2.5 cm
Which part of the external auditory meatus is lined by skin and contains hairs, sebaceous, and ceruminous glands?
Outer third
Where does the middle ear (tympanic cavity) lie within the temporal bone?
In the petrous part
Which part of the ear collects air vibration?
Auricle
What is the length of the external auditory meatus in adults?
2.5 cm
Which nerve supplies the extrinsic and intrinsic muscles of the auricle in the external ear?
Facial nerve
What is the narrowest part of the external auditory meatus?
Isthmus
Where does the middle ear (tympanic cavity) lie within the temporal bone?
Petrosal part
Test your knowledge on diseases caused by free-living amebae such as Acanthamoeba and Naegleria, which can lead to severe central nervous system diseases in humans and animals.
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