Ahlei Chapter 2 Complete Questions And Solutions Tested Answers

AHLEI CHAPTER 2 COMPLETE
QUESTIONS AND SOLUTIONS TESTED
ANSWERS

◉ Curare causes paralysis by blocking the transmission of
acetylcholine at receptor sites on muscles.
Answer: True


◉ GABA is an inhibitory transmitter that influences mood and
deficiencies of this neurotransmitter are linked to experiences of
anxiety.
Answer: True


◉ Dopamine is an inhibitory synaptic transmitter that is involved
in pain regulation, motor activity, and fear.
Answer: False


◉ The painkilling effect of a placebos (fake pills or injections)
occurs because they raise endorphin levels in the brain.
Answer: True


◉ A release of endorphins in the brain, which is triggered by pain,
seems to underlie runner's high, masochism, acupuncture, and
sports parachuting.

, Answer: True


◉ The release of endorphins induces feelings of pleasure or
euphoria similar to being high on morphine.
Answer: True


◉ Although many neurons in the brain die every day, the brain
simultaneously grows new neurons to replace them.
Answer: True


◉ Each day thousands of new neurons are produced and become
linked with other neurons to become a part of the brain's
circuitry.
Answer: True


◉ It is likely that the new neurons produced in the brain are
involved in learning, memory and adaptation to changing
circumstances.
Answer: True


◉ A computed tomographic scan (CT scan) is an x-ray image that
is computer-enhanced to make it clearer.
Answer: True