Melatonin is known as the “Dracula hormone” because it ____
a. ?carries a side effect of protruding teeth
b. ?is released at night
c. ?makes the blood “sweeter” due to its chemical similarity with glucose
d. ?disguises itself as dopamine in the central nervous system
ANSWER:
b
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How does cocaine affect the nervous system?
a. The nervous system converts cocaine into the neurotransmitters dopamine and serotonin. b. Cocaine binds to dopamine and serotonin molecules, preventing them from being active. c. Cocaine prevents neurons from reabsorbing dopamine and serotonin after releasing them. d. Cocaine attaches to the same synaptic receptors as dopamine and serotonin.
It appears that the source of the pain experienced in phantom limb is the:
A. brain B. amputated stump C. spinal cord D. damaged nerves of the remaining part of the limb
Cade has been having trouble waking up and staying awake during the day. He sleeps long hours at night and still feels tired all of the time. What would be a likely diagnosis?
a. hypersomnolence disorder b. sleep inertia c. sleep apnea d. cataplexy
_____ designs help to control for cohort effects
a. Cross-sectional b. Longitudinal c. Sequential d. Both longitudinal and sequential