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OEC Chapter 22 questions n correct solutions A+ rated
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OEC Chapter 22 questions n correct solutions A+ rated
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OEC Chapter 22 questions n correctsolutions A+ rated
1. Which of the following structures works like a camera shutter to adjust the amount of light entering
the eye?
a. The sclera
b. The iris
c. The lens
d. The posterior chamber - correct answer ✔✔Answer: b
Objective: 22-1
Reference: 745
2. The part of the eye that focuses light on the retina is called the:
a. vitreous humor.
b. sclera.
c. lens.
d. iris. - correct answer ✔✔Answer: c
Objective: 22-1
Reference: 745
3. Light stimulates nerve endings in which of the following structures to send signals to the brain via the
optic nerves?
a. Retina
b. Iris
c. Lachrymal glands
, d. Lens - correct answer ✔✔Answer: a
Objective: 22-1
Reference: 746
4. The largest bone of the face, which forms the upper jaw, the hard palate, the floor of the nose, and
the lower portion of each eye socket, is the:
a. mandible.
b. zygoma.
c. frontal bone.
d. maxilla. - correct answer ✔✔Answer: d
Objective: 22-7
Reference: 743
5. The lower jaw, the only "movable" bone of the face, is hinged on both sides of the skull by the:
a. frontal bones.
b. temporomandibular joints.
c. foramen.
d. maxilla. - correct answer ✔✔Answer: b
Objective: 22-7
Reference: 743
6. The three bones that convert sound waves into signals that are then carried to the brain are known as
the:
a. auditory foramina.
b. auditory canals.
c. auditory ossicles.
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