WITH RATIONALE| GRADE A+ (LATEST UPDATE 2026).
are long strands of DNA divided into smaller portions called
, which code for specific proteins. - 100% correct answer as
Chromosomes; genes
Which of the following is not a form of marijuana or cannabis
derivative? - 100% correct answer as Anandamide
Which of the following is not involved in the stress-related
enhancement of memory seen in the passive avoidance paradigm? -
100% correct answer as Epinephrine from the adrenal medulla acts
on β-adrenoceptors in the basolateral amygdala.
Which of the following is probably not important in maintaining smoking
during the day? - 100% correct answer as Enhanced release of
dopamine in the nucleus accumbens with cigarette use
Which of the following pieces of evidence suggests that NMDA
receptors play a role in opiate tolerance and dependence? - 100%
correct answer as MK-801 blocks morphine tolerance.
Which of the following regarding botulinum toxin is false? - 100%
correct answer as It is taken up by cholinergic neurons of the CNS
,Which of the following regarding excitatory amino acid transporters
(EAATs) is true? - 100% correct answer as They may be defective in
the disorder ALS or Lou Gehrig's disease.
Which of the following regarding GABA is false? - 100% correct answer
as It is found only in subcortical locations.
Which of the following regarding sensitization to psychostimulants is
false? - 100% correct answer as It results from continuous drug
infusion.
Which of the following regarding the drug SR 141716A is false? -
100% correct answer as It reduces anxiety
Which of the following regarding the role of the endogenous opioid
system in alcohol's reinforcing effects is false? - 100% correct answer
as Chronic alcohol use increases gene expression of endorphin and
enkephalin.
Which of the following regarding treatment of cannabis dependence is
false? - 100% correct answer as It is much more than treatment of
other drug dependence problems, with very little relapse.
Which of the following statements about action potentials is false? -
100% correct answer as Extreme excitation will result in a very large
action potential.
Which of the following statements about MPTP is false? - 100% correct
answer as It prevents the reuptake of dopamine in the striatum.
, Which of the following statements about the use and abuse of ketamine
is false? - 100% correct answer as Ketamine's popularity can be explained
by the fact that the drug does not cause dependence.
Which of the following toxic substances is not produced or released
during the smoking of tobacco? - 100% correct answer as Carbon
dioxide
While most receptors are membrane-bound, many receptors are
intracellular. - 100% correct answer as neurotransmitter; hormone
While pharmacokinetics describes how the body deals with drugs,
describes how drug molecules interact with their targets. -
100% correct answer as Pharmodynamics
Why have researchers been particularly interested in the agent 192 IgG-
saporin? - 100% correct answer as It destroys BFCS cells and causes
cognitive deficits.
With respect to the demographics of cigarette smoking, - 100%
correct answer as women smoke fewer cigarettes and don't inhale as
deeply as men.
Working memory can be enhanced by activation of in the PFC, while
activation of in the PFC has detrimental effects on cognitive
function. - 100% correct answer as α2-receptors; α1- receptors