A disorder for which there is no treatment that produces blindness and muscle degeneration prior to death is known as

Which of the following is an example of a person most likely to receive cosmetic surgery?

a) Marcus, a 50-year-old man, receives hair transplants. b) Lucy, a 29-year-old woman, receives breast augmentation. Consider This: Those in middle age often want to fight the signs of aging. LO 2.6: Relate age to physical changes c) Regina, a 70-year-old woman, obtains a chemical peel. Consider This: Those in middle age often want to fight the signs of aging. LO 2.6: Relate age to physical changes d) Ricky, an 80-year-old man, receives liposuction. Consider This: Those in middle age often want to fight the signs of aging. LO 2.6: Relate age to physical changes

A major excitatory neurotransmitter in the brain is thought to be

a. Serotonin. b. Norepinephrine. c. Glutamate. d. Gamma-amino-butyric acid.