Chapter 15 drug ed
1) The highest concentration of the psychoactive agent is found in tiny hairs called ________, which are most abundant on the flowers of the female cannabis plant. A) terpenes B) stipule C) trichomes D) setae
c
15) In 1985, the FDA approved the sale of dronabinol (Marinol), which: A) is a cannabis antagonist. B) is an effective treatment for cannabis dependence. C) is a capsule containing THC. D) reduces appetite.
c
3) Hashish refers to: A) low-grade marijuana made from leaves. B) a mixture of marijuana and opium. C) pure cannabis resin. D) any smokable form of cannabis.
c
12) A consistent cognitive effect of marijuana, seen both in frequent users and in less experienced users, is: A) slowing of cognitive processing. B) improved ability to focus attention for a long time. C) impaired inhibitory control. D) personality changes.
a
16) Tolerance to the effects of smoked marijuana: A) allows experienced marijuana users to obtain euphoric effects with minimal cognitive impairment. B) has not been reliably found for any of marijuana's effects. C) is so powerful that chronic users must smoke more and more to attain less and less euphoria. D) is very rapid, such that it is almost impossible to get high again within a few days after smoking.
a
2) Which of the following is the primary psychoactive agent present in the cannabis plant? A) Delta-9-tetrahydrocannabinol B) 5-(1,1-Dimethylheptyl)resorcinol C) 1,1-Dimethylheptyl-11-hydroxytetrahydrocannabinol D) 2-Arachidonoylglycerol
a
6) The 70 chemicals that are known to be unique to the cannabis plant are called: A) cannabinoids. B) THIQs. C) opioids. D) butyrates.
a
11) In a study of heart rate changes following smoked marijuana with 4 percent THC or 20 mg oral THC, ________. A) the heart rate increased much more after oral THC B) the peak effects were similar, but smoking produced a faster onset of effects C) smoked THC increased heart rate, but oral THC had no effect D) heart rates remained elevated for up to three days after smoking marijuana
b
14) Which of the following is a behavioral effect of marijuana on humans? A) Verbal exchanges B) Nonverbal social interactions C) Nausea and vomiting D) Empathy
b
7) ________ is defined as the result produced by a combination of not only cannabinoids but also the terpenes, which are the oils produced by several types of plants. A) Signal transduction B) Entourage effect C) Ligand-independent activation D) Transcription result
b
5) The most commonly used commercial method to extract delta-9-tetrahydrocannabinol (THC) from the cannabis plant material is by: A) pouring vegetable oil on the plant materials and soaking them for 10 days. B) sieving powdered plant material along with an inorganic solvent through a filtered vessel. C) using liquid carbon dioxide to produce oils or other forms. D) squeezing the plant material using a pressing machine to extract oils.
c
8) Which of the following is true of the absorption, distribution, and elimination of delta-9-tetrahydrocannabinol (THC) in the human body? A) When smoked, THC is rapidly distributed first to the heart, and then it is absorbed into the blood and reaches the brain and rest of the body. B) When ingested, the peak mood-altering and cardiovascular effects occur before 40 to 60 minutes after ingesting. C) When smoked, the peak mood-altering and cardiovascular effects occur together, usually within 5 to 10 minutes. D) When ingested, THC is quickly and efficiently absorbed, and more than 30 percent reaches the brain within 10 minutes.
c
10) The natural substance in the body that has marijuana-like effects is called: A) cannabinum. B) ayahuasca. C) bufotenin. D) anandamide.
d
13) A great number of studies have consistently reported that smoked marijuana and oral THC both produce: A) permanent impairments in short-term memory. B) lung cancer. C) reduced immunity to diseases. D) increased total daily food intake.
d
17) The current shift in the U.S. public's attitude toward marijuana laws is probably partly related to which of the following? A) Increasing evidence that marijuana is relatively innocuous B) Increased use of marijuana among young people C) A desire to spend federal funds more wisely and gain tax revenue D) Increasing evidence that marijuana is relatively innocuous and A desire to spend federal funds more wisely and gain tax revenue
d
4) The flowering tops (buds) of unpollinated female cannabis plants produce a high-grade marijuana known as: A) hashish. B) hemp. C) sativa. D) sinsemilla.
d
9) Which of the following statements is true of the metabolism of delta-9-tetrahydrocannabinol (THC) in the human body? A) The metabolites of THC are formed in the small intestine. B) 25 to 30 percent of the THC and its metabolites remain in the body even after four weeks. C) The metabolites of THC have a half-life of 25 hours. D) THC has a half-life of about 19 hours in the human body.
d