When stress hormones are released, gene X is turned off. This is an example of
A. epigenetic change.
B. mutation.
C. genetic variation.
D. DNA editing.
Answer: A
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Successful students are more effective in
a. studying regardless of a schedule. b. regulating their time. c. cramming techniques. d. tackling simple tasks first and saving larger tasks for later.
Which of the following are impaired by alcohol consumption and increase the risk of car accidents by drunk drivers?
a. retinal disparity and convergence b. convergence and brightness constancy c. figure-ground effect and retinal disparity d. size and shape constancy
You are feeling a great deal of fear, the brain site most likely involved is the
a. midbrain. b. left hemisphere. c. right hemisphere. d. amygdala.
Your 42-year-old uncle has been very health-conscious for many years. He runs and exercises with weights and thinks that he can eat like he always has. What would you tell him with regard to BMR?
a. BMR declines as a function of exercise. b. BMR does not play a role in weight gain. c. BMR naturally increases, so he is correct. What he eats will be burned quickly. d. BMR naturally decreases beginning at age 25 and he will likely be gaining weight if he does not reduce his intake of calories.