← CH. 15 Test
5 Written Questions
5 Matching Questions
- Nasolacrimal duct
- Olfactory neurons
- Ciliary muscles
- a Most have very poor replication abilities, but are constantly being replaced. The entire epithelium, including the neurosensory cells, are replaced about every two months. Replaced by a proliferation of basal cells in the olfactory epithelium.
- b Resonance quality or overtones of sound
- c Control lens shape; smooth muscle
- d Opens into nasal cavity
- e are double or triple rows of hairs along the free edges of the eyelids (palpebrae) that help protect the eyes.
5 Multiple Choice Questions
- Hearing and balance; interconnecting fluid-filled tunnels and chambers
- Bending of light
- Light striking a convex surface. As they converge they cross and a focal point occurs (focusing)
- Common in older people, loss in acute vision
- The closest distance at which the eye can focus. Things closer start to blur. This point is usually 2-3 inches for children and up to 60 inches for 80 year olds. (Accommodation, Pupil constriction, Convergence)
5 True/False Questions
Rhodopsin reduction → Light adaptation
Palpebral fissure → Olfactory (Smell), Gustatory (Taste), Vision, Auditory, Balance
Auditory or pharyngotympanic (eustachian) tube → Part of middle ear. Consists of Malleus, incus, and stapes. Transmit vibrations from tympanic membrane to oval window
Pitch → Function of wave frequency
Cupula → The base of each semicircular canal. Contains crista ampullaris, cupula, which is displaced by fluid movements within the semicircular canals which bend the hairs and initiates action potentials.