🧠 Brain & Endocannabinoid System
100 — T/F
The endocannabinoid system is involved in regulating processes such as mood, memory, stress, and other aspects of brain function.
Answer: TRUE
100 — T/F
Delta-9-THC is the primary cannabinoid responsible for the classic intoxicating "high" associated with cannabis.
Answer: TRUE
Note: This does not mean THC is the only compound affecting the experience; cannabis contains many cannabinoids and other compounds.
100 — T/F
Simply smelling cannabis outdoors—for example, briefly walking past someone who is smoking—is generally enough to make a person intoxicated.
Answer: FALSE
Why: Ordinary brief odor exposure is not equivalent to meaningful inhalation of secondhand smoke.
🌿 Plant Biology & History
100 — MC
Which plant pigments contribute to purple, red, or blue coloration in cannabis and many other plants?
A. Anthocyanins
B. Dopamine
C. THC
D. Chlorophyll
Answer: A. ANTHOCYANINS
100 — T/F
Cannabinoid medicines can have a role in managing some symptoms associated with cancer treatment, particularly chemotherapy-induced nausea and vomiting.
Answer: TRUE
Why: FDA-approved cannabinoid medications including dronabinol and nabilone are used for chemotherapy-induced nausea and vomiting in appropriate patients.
200 — MC
Which pair consists of two major naturally occurring endocannabinoid signaling molecules?
A. THC and CBD
B. Anandamide and 2-AG
C. Dopamine and serotonin
D. CB1 and CB2
Answer: B. Anandamide and 2-AG
200 — MC
What is the key structural difference among Delta-8, Delta-9, and Delta-10 THC?
A. They contain different numbers of carbon atoms.
B. Their double bond occurs at different positions in the molecule.
C. They contain completely different cannabinoid structures.
D. They have different numbers of oxygen atoms.
Answer: B. Their double bond occurs at different positions in the molecule.
200 — MC
Which combination can occur during cannabis withdrawal?
A. Sleep disturbance
B. Irritability
C. Depressed mood
D. All of the above
Answer: D. All of the above
Why: Cannabis withdrawal can include sleep problems, irritability, depressed mood, anxiety, decreased appetite, and other symptoms.
200 — T/F
Anthocyanin production can be influenced by environmental conditions such as temperature and light, as well as by genetics.
Answer: TRUE
200 — MC
Which statement about cannabis and cancer is most accurate?
A. Cannabis has been proven to cure cancer.
B. Cannabis has no possible medical role in cancer care.
C. Some cannabinoids can help manage certain cancer-treatment symptoms, but Cannabis is not an FDA-approved cancer treatment.
D. Cannabis reliably eliminates tumors.
Answer: C. Some cannabinoids can help manage certain cancer-treatment symptoms, but Cannabis is not an FDA-approved cancer treatment.
Why: The evidence does not establish cannabis as a cancer cure. Some cannabinoid medicines have established uses for chemotherapy-related nausea and vomiting.
300 — FIB
When THC activates CB1 receptors in the nucleus accumbens, it can increase signaling involving the neurotransmitter ________.
Answer: DOPAMINE
300 — FIB
Delta-9-THC is the major naturally occurring intoxicating cannabinoid in the ________ plant.
Answer: CANNABIS
300 — FIB
With repeated cannabis exposure, a person can develop ________, meaning more cannabis may be needed to produce the same effect.
Answer: TOLERANCE
300 — FIB
Genomic research supports an early domestication origin for Cannabis in ________ Asia.
Answer: EAST
Why: A major genome-wide study found evidence consistent with an East Asian domestication origin, particularly associated with ancestral populations in what is now China.
300 — FIB
Cannabis and THC can temporarily reduce ________ pressure, which is why cannabinoids have been studied in relation to glaucoma.
Answer: INTRAOCULAR
Important: A reduction in intraocular pressure does not mean cannabis cures glaucoma. The effect is temporary, and cannabis is not considered a substitute for established glaucoma treatment.
400 — MC
What is unusual about the direction of signaling by many endocannabinoids?
A. They travel only within the receiving neuron.
B. They travel from the receiving neuron back toward the sending neuron.
C. They travel exclusively through the spinal cord.
D. They only travel outside the nervous system.
Answer: B. They travel from the receiving neuron back toward the sending neuron.
Why: Endocannabinoid signaling is often described as retrograde signaling, providing feedback to the neuron that sent the original signal.
400 — MC
Which statement best describes CBD?
A. CBD is another name for Delta-9-THC.
B. CBD is non-intoxicating and has pharmacological effects distinct from THC.
C. CBD produces the same type of high as THC.
D. CBD has no biological effects.
Answer: B. CBD is non-intoxicating and has pharmacological effects distinct from THC.
Why: Calling CBD simply "responsible for the non-psychoactive effects" is too simplistic. CBD is not intoxicating in the way Delta-9-THC is, but it is biologically active.
400 — MC
Which statement about age and cannabis-related risk is most accurate?
A. Cannabis has identical effects regardless of age.
B. Younger people, particularly adolescents, have greater vulnerability because the brain is still developing.
C. Only people over age 25 experience cannabis-related risks.
D. Exactly age 25 is a biological cutoff after which cannabis has no developmental effects.
Answer: B. Younger people, particularly adolescents, have greater vulnerability because the brain is still developing.
Why: The original video used age 25 as a useful reference point, but it should not be treated as a precise biological cutoff. Risk is particularly concerning with adolescent and frequent use.
400 — MC
Approximately when do genomic and archaeological findings place early domestication or use of Cannabis?
A. About 500 years ago
B. About 2,000 years ago
C. About 7,500 years ago
D. Around 12,000 years ago
Answer: D. Around 12,000 years ago
Why: The modern evidence is better expressed as approximately 12,000 years before present, rather than saying "12,000 BC." The genomic study estimates divergence of early domesticated hemp- and drug-type ancestors around 12,000 years BP, with archaeological evidence of Cannabis artifacts appearing later as well.
400 — MC
Which statement best describes the current federal status of marijuana in the United States as of August 2026?
A. Marijuana has been completely descheduled federally.
B. Marijuana is currently Schedule III nationwide.
C. Marijuana remains federally classified in Schedule I, while a formal proceeding is considering a proposed move to Schedule III.
D. Marijuana is federally legal for recreational use.
Answer: C. Marijuana remains federally classified in Schedule I, while a formal proceeding is considering a proposed move to Schedule III.
Why: DEA materials state that marijuana remains in Schedule I and that formal proceedings concerning the proposed transfer to Schedule III began June 29, 2026.
500 — FIB
Scientists believe the endocannabinoid system primarily helps ________ other neural signals rather than simply turning them on or off.
Answer: MODULATE
Why: Endocannabinoid signaling can help increase or decrease other forms of neural signaling depending on the context.
500 — FIB
Rosin is produced from cannabis using ________ and ________, rather than solvent-based extraction.
Answer: HEAT AND PRESSURE
Compare: Live resin is generally made from fresh-frozen cannabis, while rosin is a mechanically pressed extract.
500 — MC
Which statement best describes the relationship between cannabis and psychosis?
A. Cannabis inevitably causes schizophrenia.
B. Cannabis has no relationship to psychosis.
C. Cannabis use can increase psychosis risk, with greater concern among younger and more frequent users and people with other risk factors.
D. Cannabis permanently causes psychosis in everyone who experiences paranoia.
Answer: C. Cannabis use can increase psychosis risk, with greater concern among younger and more frequent users and people with other risk factors.
Why: The relationship is complex. Cannabis-induced psychotic symptoms may resolve after stopping, but some people develop persistent psychotic disorders. The transcript correctly emphasizes that researchers cannot always determine whether cannabis caused, accelerated, or revealed an underlying vulnerability.
500 — T/F
Modern commercial cannabis can be traced straightforwardly and visually back to the earliest domesticated Cannabis plants.
Answer: FALSE
Why: Thousands of years of selection and breeding have produced substantial differentiation among modern hemp and drug-type cultivars. Modern commercial varieties are not necessarily representative of ancestral Cannabis.
500 — FIB
Moving marijuana from Schedule I to Schedule III would be called ________, whereas removing it from the federal controlled-substance schedules altogether would be called ________.
Answer: RESCHEDULING; DESCHEDULING
Why: These are legally different concepts. The current federal proceeding concerns rescheduling to Schedule III, not complete removal from the Controlled Substances Act.
Category: Endocannabinoid Signaling
Question — FIB
Unlike THC, which can activate cannabinoid receptors broadly throughout the nervous system, naturally produced endocannabinoids are generally released in response to a specific ________ and provide localized feedback.
Answer: STIMULUS
Why this matters
This distinction helps explain why the body's own endocannabinoid signaling can be highly localized and situation-dependent, whereas THC can produce much broader effects. The cannabinoid system interacts with multiple neural pathways, helping explain cannabis's varied effects on perception, movement, mood, cognition, and other functions.
1. Why can cannabis affect people differently?
Answer: Individual brain chemistry, genetics, age, frequency and amount of use, prior experience, and other biological and environmental factors can influence the response.
2. Does "non-intoxicating" mean CBD has no effects?
Answer: No. CBD is non-intoxicating in the sense that it does not produce the classic THC-like high, but it is pharmacologically active.
3. Is cannabis use disorder real?
Answer: Yes. The CDC estimates that approximately 3 in 10 people who use cannabis have cannabis use disorder, with higher risk among people who begin young and/or use frequently.
4. Does cannabis treat cancer itself?
Answer: No established evidence supports cannabis as a cancer cure, and the FDA has not approved Cannabis or cannabinoids as a cancer treatment. Certain cannabinoid medicines do have approved roles in managing chemotherapy-induced nausea and vomiting.
5. What is the most important age-related takeaway?
Answer: Adolescence and frequent use are particularly important risk factors. Age 25 should not be treated as a magic cutoff separating a "safe" brain from an "unsafe" one.