The lens focuses incoming light rays on the retina by the ciliary muscles:
A. making the lens thinner or thicker.
B. moving the lens forward or back.
C. moving the retina forward and back.
D. making the eyeball thinner or thicker.
Answer: A
You might also like to view...
Which section of the monograph lists all of the remaining possible or potential side effects of which the patient should be conscious?
A) Warnings B) Contraindications C) Precautions D) Adverse Reactions
Left ventricular hypertrophy is most commonly caused by
A) atrial fibrillation. B) hypertension. C) chronic lung disease. D) heart attack.
Stage II (severe) hypertension is characterized by having a blood pressure of:
A. 140/90 mm Hg or greater B. 109/100 mm Hg or greater C. 150/100 mm Hg or greater D. 160/100 mm Hg or greater
High-speed handpieces generally use which type of bur?
static friction grip latch type concentrated