Multiple Choice
The “blind spot” in the visual field is due to light falling on the
A) Optic disk w here there are no photoreceptors
B) Macula lutea where there are only rods
C) Macula lutea where there are only cones
D) Orra serrata where there are no photoreceptors
E) Fovea where there are no photoreceptors
Correct Answer:

Verified
Correct Answer:
Verified
Q8: The shape of the eyeball is maintained
Q9: Neurons in the left optic nerve carry
Q10: Cones are most highly concentrated in the<br>A)
Q11: W hich of the following does NOT
Q12: Retinal cells that produce action potentials include<br>A)
Q14: Sympathetic stimulation of the iris causes<br>A) Opening
Q15: “Bleaching” refers to the conversion of 11
Q16: The optic nerve makes initial synaptic contact
Q17: Contraction of the ciliary body<br>A) Releases tension
Q18: The three layers of the outer eyeball