and Throat Study Guide Questions and
Answers
Name the 6 sets of extraocular muscles and the cranial nerve that
innervates each one of them. - 🧠 ANSWER ✔✔Cranial nerve three;
superior oblique, superior rectus, inferior oblique, inferior rectus,
Cranial nerves four;
medial rectus.
Cranial nerve six; lateral rectus
, Explain what 20/150 means in terms of visual acuity. - 🧠 ANSWER ✔✔The
number on the top is the distance that you are away from the chart. The
bottom number is the distance that a normal person with normal vision will
stamp from the chart
To test for accommodation, the person focuses on a distant object and then
shifts the gaze to a near object about 6 inches away. At near distance, you
would expect the pupils to ___________________ (dilate/constrict) and the
axes of the eyes to ______________________. - 🧠 ANSWER ✔✔Constrict
Converge
Identify common age-related changes in the eye. - 🧠 ANSWER ✔✔-
Lacrimal glads incolute (decrease tear prod)
-Infiltration of degenerative lipid material shows around limbus
-Decrease pupil size
-Lens loses elasticity, becoming hard and glasslike
What does it indicate when the examiner records "positive consensual light
reflex"?
a. Convergence of the axes of the eyeballs