Author Question: When we enter a darkened theatre, it takes a while before we can see our surroundings clearly. The ... (Read 53 times)

Anajune7 · **on:** Jun 21, 2018

When we enter a darkened theatre, it takes a while before we can see our surroundings clearly. The most likely explanation for this phenomenon is that

a. the lens needs time to accommodate to the change in lighting.
b. the glutamate in rods has been depleted and more must be synthesized.
c. the visual system switches slowly between processing inputs from cones to inputs from rods.
d. it takes about 30 minutes for rhodopsin to regenerate after it has broken apart in response to light.

Question 2

Jessica's weight of 123 pounds doesn't vary much regardless of what she eats from day to day. It is likely that 123 pounds is Jessica's

a. ideal weight.
b. set point.
c. homeostasis.
d. drive state.