Which of the following statements regarding the ciliary body is NOT true?
a. It is a ring of muscle around the outer edge of the lens.
b. It is attached to the lens by suspensory ligaments.
c. It pulls on the edges of the lens to change its shape.
d. All of these are true.
d
Explanation:
a. It is a ring of muscle around the outer edge of the lens: yes, but b and c are also true
b. It is attached to the lens by suspensory ligaments: yes, but a and c are also true
c. It pulls on the edges of the lens to change its shape: yes, but a and b are also true
d. All of these are true: correct
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