Psychopharmacology Final Exam Exam Questions With Correct Verified Answers | 100% Pass (A+ Certified)

The process of releasing neurotransmitter molecules from the vesicles is known as _____ and occurs as a result of an influx of _____ Answer Exocytosis; Ca2+ Depot binding is said to occur when drugs Answer Bind to inactive sites During the ____ period, no additional action potentials can be created Answer Absolute refractory Neural transmission is generally ____ within a single neuron and ____ between neurons. Answer Electrical; chemical 2 / 41 The most common type of synapse in the brain is the ______ synapse Answer Axodendritic Neurons rely on ____ for protection, metabolic support and insulation Answer Glial cells Which of the following factors does NOT affect the pharmokinetics of a drug? Route of Administration Lipid solubility Depot binding Drug action Answer Drug action The sac-like structures in the presynaptic terminal are called ______ and are filled with _______ Answer Synaptic vesicles; neurotransmitter molecules 3 / 41 In addition to environmental and sensory stimuli, psychoactive drugs can trigger long-lasting changes in neuronal connectivity. Collectively, these changes are termed Answer Synaptic plasticity Axonal transport of proteins occurs along a track formed by Answer Microtubules When activated, somatodendritic autoreceptors Answer Reduce the rate of cell firing 12. If a substance is a neurotransmitter, stimulation of the presynaptic cell should have the same effect as Answer Direct application of the proposed substance to the postsynaptic cell 13. In order for a substance to be considered a neurotransmitter it must meet several criteria. Which of the following is NOT considered a criterion for neurotransmitter status? 4 / 41 A synthetic mechanism should be present in the presynaptic cell Vesicles containing the substance should move down the axon with the action potentials when the neuron is stimulated Receptors for the proposed substance should be present on the postsy-naptic cell A means for inactivating the substance should be present Answer Vesicles containing the substance should move down the axon with the action potentials when the neuron is stimulated The Na+/K+ pump helps to maintain the ______ by moving three Na+ ions in and two K+ ions out of the cell Answer Resting membrane potential Activating a metabotropic receptor can result in all of the following except for Opening of a G protein-gated ion channel changes in the levels