1. At a point called the optic chiasm, optic nerve fibres divide and half the nerve fibres cross over the midline of the brain. This crossing over means that

a) The visual image we see is flipped upside down to be processed by the brain

b). Information from rods and cones can be integrated into a unified picture

c) All information from the left side of the visual field is combined and goes to the right brain

d) Visual information is combined with sensory data from other senses such as hearing and touch.

2.) Which part of the brain is completely developed at birth?
A) The cerebral cortex (which controls higher level functions)
B) The brainstem (which controls swallowing, breathing, heart rate)

C) Both are completely developed at birth


3) One night while the moon is out, you saw a car with its lights off careen along the street, strike what appeared to be a person, and continue out of sight. You cannot tell the police the colour of the car because…

A) Cones cannot see colour.
B) Rods do not work in dim light.
C) The moon interferes with sensory adaptation.
D) Cones require a lot of light and are best in daytime