etx30 exam 2

etx30 exam 2 - ETX 30 1. SECOND EXAM FEBRUARY 21, 2008...

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ETX 30 SECOND EXAM FEBRUARY 21, 2008 1 1. Injury to which part of the nervous system has been shown to improve a tobacco smokers ability to quit smoking? A. parasympathetic branch (flight and fright) of the peripheral nervous system B. simple reflexes mediated by the spinal chord C. the insula region of gray matter in the cerebrum D. motor coordination centers in the cerebellum 2. Which one of the following best describes the cultivation of the coffee tree? A. grown primarily in equatorial lowlands B. coffee trees growing in Brazil today were derived from a single tree grown in France in the 1700s C. grown worldwide around the equator as a result of human cultivation of coffee trees first discovered in the wild in Africa (Ethiopia). D. A and B E. B and C 3. Smokey and carbonized with the highest levels of cancer causing PAHs (polycyclic aromatic hydrocarbons) best describes which one of the following roasts of coffee beans? A. light B. medium C. dark D. darkest 4. True or false? Green tea contains more beneficial antioxidants (catechins) than black tea, because catechins are converted to larger molecules during the “rolling” (crushing) of green tea leaves to make black tea. A. true B. false 5. Which one of the following best ranks the caffeine content of the listed beverages? A. coffee > tea > caffeinated soda > milk chocolate B. tea > coffee > caffeinated soda > milk chocolate C. caffeinated soda > coffee > tea > milk chocolate D. coffee > tea > milk chocolate > caffeinated soda 6. Caffeine is an antagonist for which one of the following neurotransmitters? A. glutamate B. adenosine C. dopamine D. acetylcholine 7. Tolerance to the stimulatory effects of caffeine is best explained by which one of the following? A. decreased rate of metabolism of caffeine to inactive metabolites B. increased synthesis of protein receptors at the site of action C. direct inhibition of the enzyme (phosphodiesterase) that breaks down cyclic AMP (second messenger) D. reduced urine flow, resulting in a decrease in the rate of excretion of caffeine and caffeine metabolites 8. Given the fact that caffeine is readily absorbed into the blood from the small intestine, which one of the following best describes the distribution of caffeine in the body? A. plasma only B. plasma and blood cells C. blood and extracellular fluid D. all fluid compartments of the body
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ETX 30 SECOND EXAM FEBRUARY 21, 2008 2 9. Chose the schedule under which marijuana is regulated by Federal law. A. schedule I B. schedule II C. schedule III D. schedule IV 10. Which one of the following best ranks the concentration of active cannabinoids? A. hashish < marijuana < hash oil < THC B. marijuana < hash oil < hashish < THC C. THC < marijuana < hashish < hash oil D. marijuana < hashish < hash oil < THC 11. True or false? The major cannabinoid in marijuana is available by prescription to stimulate appetite in people suffering from AIDS. A.
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This note was uploaded on 01/06/2011 for the course ETX 130A taught by Professor Matthewwood during the Spring '10 term at UC Davis.

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etx30 exam 2 - ETX 30 1. SECOND EXAM FEBRUARY 21, 2008...

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