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Psychopharmacology; Drugs, Brain, and Behavior Final Competency Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025 $12.99   Add to cart
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Psychopharmacology; Drugs, Brain, and Behavior Final Competency Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025
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Psychopharmacology; Drugs, Brain, and Behavior Final Competency Certification Study Guide Exam Questions with Certified for Accuracy Answers 2024/2025 Hypothalamus - correct answer *maintains homeostasis* of physiological functions Basal ganglia - correct answer modulates *movement* Limbic...

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  • September 30, 2024
  • 70
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • hypothalamus correct answer maintains homeostas
  • basal ganglia correct answer modulates movement
  • limbic system correct answer controls emotion
  • psychopharmacology drugs brain and behavior fin

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  • Psychopharmacology
  • Psychopharmacology

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Psychopharmacology; Drugs, Brain, and
Behavior Final Competency Certification
Study Guide Exam Questions with
Certified for Accuracy Answers
2024/2025

Hypothalamus - correct answer *maintains homeostasis* of physiological functions


Basal ganglia - correct answer modulates *movement*


Limbic system - correct answer controls *emotion, motivation, learning* (includes
amygdala, hippocampus, thalamus, hypothalamus, olfactory bulbs)


Lobes of the brain - correct answer 1) *occipital* - vision


2) *temporal* - auditory


3) *parietal* - somatosensory


4) *frontal* - plans and organizes behavior and initiates sequences of actions


Orienting the CNS (axes) - correct answer *medial*: middle
*lateral*: sides


Orienting the CNS (brain slices) - correct answer


Dorsal root - correct answer part of spinal cord containing *sensory neurons*

,Ventral root - correct answer part of spinal cord containing *motor neurons*


Substantia nigra - correct answer nuclei in *midbrain*, produces *dopamine*


Raphe nuclei - correct answer nuclei in *pons*, produces *serotonin*


Locus coeruleus - correct answer nuclei in *pons*, produces *norepinephrine*


Glia - correct answer support cells, two main types: *astrocytes* and
*oligodendrocytes*


Astrocytes - correct answer protect brain by forming *blood-brain barrier*


Oligodendrocytes - correct answer speed up neuronal communication by forming
*myelin sheaths*


Neuron anatomy - correct answer *cell body (soma)*: contains cystoplasm with
nucleus and other organelles


*dendrites*: receive inputs


*axon hillock*: where action potential originates


*axon*: transmits action potential


*axon terminals*: hold nts in vesicles


*myelin sheath*: oligodendrocytes insulate axon to speed up conduction, gaps are
called *nodes of Ranvier*

,*synapse*: can be axodendritic, axosomatic, or axoaxonic


Cell membrane anatomy - correct answer neuronal membranes are *phospholipid
bilayers*, meaning they only let *lipid-soluble* materials through.


*membrane proteins*: receptors, enzymes, ion channels and transporters


Ion channels - correct answer allow ions (*K+, Na+, Cl-, Ca2+*) to pass into and out of
neuron through water-filled pores


Usually closed until a signal opens them


Ligand-gated channel - correct answer opened by a *ligand* such as a drug,
neurotransmitter, etc.


Voltage-gated channel - correct answer opened by *change in electric potential*


4 types of glial cells - correct answer 1) Schwann cells
2) Oligodendroglia
3) Astrocytes
4) Microglia


Schwann cells - correct answer *produce myelin sheath* on axons in *PNS*
Dedicated to a *single neuron*
Able to *regenerate* damaged axons


Oligodendroglia - correct answer *produce myelin sheath* on axons in *CNS*


Send out "arms" which *wrap around several axons*

, NOT able to regenerate damaged axons


Astrocytes - correct answer large, star-shaped cells with extensions


Provide *structural support*


*modulate chemical environment* by soaking up excess neurochemicals


*aid movement* of materials from blood to cell


Microglia - correct answer much smaller than astrocytes


Act as *scavengers* that gather in places where neuron damage has occurred to
*remove dying cells* (phagocytosis)


Responsible for *inflammatory immune response* which occurs after brain damage


Resting membrane potential - correct answer inside of cell is *more negative than
outside*


*K+ moves in and out freely* because some of its gates are open at resting potential


Concentration of *K+ is higher in neuron*, while concentration of Na+, Cl-, and Ca2+ is
higher *outside* neuron... Like a banana in a pool of salty milk!


Local potentials - correct answer *small, transient changes in membrane potential*


Leads to small areas of depolarization or hyperpolarization

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