What Registered Nurses Do. Registered nurses (RNs) provide and coordinate patient care, educate patients and the public about various health conditions, and provide advice and emotional support to patients and their family members. Registered nurses work in hospitals, physiciansâ offices, home healthcare services, and nursing care facilities.
The basic function of the outer ear or pinna is to protect the eardrum (tympanic membrane). The outer ear also functions to collect sound waves to the eardrum through the ear canal. The second component of the external ear is the auditory ear canal or meatus.
The ear is made up of the outer (external) ear, the middle ear and the inner (internal) ear. The anatomical parts of all three can be found under their specific names. See also auricular, auditory, external ear. The outer ear consists of the auricle, or pinna, and the external acoustic meatus.The auricle collects sound waves and directs them to the external acoustic meatus which conducts them to the tympanum.he ear is made up of the outer (external) ear, the middle ear and the inner (internal) ear. The anatomical parts of all three can be found under their specific names. See also auricular, auditory, external ear. The outer ear consists of the auricle, or pinna, and the external acoustic meatus.