Presynaptic inhibition - Study guides, Class notes & Summaries

NSG 552 Psychopharmacology Exam 1 Study Guide – Complete Latest 2024/2025. DOPAMINE • Dopamine belongs to the family of catecholamines. It is a neurotransmitter. • Hormones, Epinephrine and Norepinephrine (other catecholamines) are derived from Dopamine • Dopamine plays a significant role in learning, goal-directed behavior, regulation of hormones, motor control. DOPAMINE SYNTHESIS Phenylalanine (amino acid from diet) -> phenyalanine hydroxylase -> Tyrosine -> Tyrosine hyd...

PCOL824 Exam 5 Vaillancourt with Complete Solutions What are sympathomimetic drugs? - Answer-drugs that mimic the actions of the sympathetic nervous system What are direct sympathomimetic drugs? - Answer-drugs that interact with and activate adrenoreceptors What are indirect sympathomimetic drugs? - Answer-the activity depends on endogenous catecholamines What are examples of indirect sympathomimetic drugs? - Answer--displacement of stored catecholamines from adrenergic nerve endings...

LIFSCI 7B XL - Animation: Reading Phylogenies Copy Questions and Answers Rated A+ What is the role of the axon hillock in neural signaling? The axon hillock integrates incoming signals and determines whether to initiate an action potential. How does myelination affect the speed of action potential propagation along an axon? Myelination increases the speed of action potential conduction by enabling saltatory conduction, where the signal jumps between nodes of Ranvier. Why do vo...

CRNA interview Questions and Answers 100% Solved where are alpha 1 receptors located ️️vascular smooth muscle where are alpha 2 receptors located ️️presynaptic nerve terminals effects of alpha 1 agonism ️️vasoconstriction, increased svr, increased bp effects of alpha 2 agonism ️️inhibition of norepinephrine release How does dexmedetomidine work? ️️alpha 2 agonism ( blocking release of norepinephrine in brain and spinal cord) Effects of dexmedetomidine ️️analgesi...

What is the neurotransmitter that is associated with pain, memory, and mood and is considered to have calming effects? correct answer: Gamma-aminobutyric acid (GABA) What medication classification is considered the most commonly used anti-anxiety agents called? correct answer: benzodiazepines Benzodiazepines effect the main neurotransmitter called: correct answer: potentiate GABA Name some common benzodiazepine medicatios used to treat anxiety correct answer: diazepam (Valium) clon...

GABA dec correct answer: Anxiety Dopamine dec. and Acetylcholine dec correct answer: Parkinson disease Serotonin dec or Norepinephrine dec. correct answer: Depression Acetylcholine dec correct answer: Memory loss Dopamine Inc. correct answer: Schizophrenia Drug Classification: Block the level of dopamine in the body correct answer: Antipsychotics Drug Classification: Increase the level of GABA in the body correct answer: Antianxiety Drug Classification: Increase...

GMS 6510 Homework Questions and Answers with Verified Solutions Which term refers to the vegetative portion of a cannabis plant from a strain containing low levels of THC? Hemp In what year did marijuana become outlawed at the federal level for all uses? 1971 Which cannabinoids are psychoactive? Select all that apply. ∆9-THC Drugs that increase the expression of which class of drug metabolizing enzymes would be expected to decrease the half-life of THC in the body of users? CYPs...

CRNA interview Questions and Answers 100% Solved where are alpha 1 receptors located ️️vascular smooth muscle where are alpha 2 receptors located ️️presynaptic nerve terminals effects of alpha 1 agonism ️️vasoconstriction, increased svr, increased bp effects of alpha 2 agonism ️️inhibition of norepinephrine release How does dexmedetomidine work? ️️alpha 2 agonism ( blocking release of norepinephrine in brain and spinal cord) Effects of dexmedetomidine ️️analgesi...

T/F Adrenergic receptors are located in all organs regulated by the sympathetic nervous system - Answer True T/F Selectivity is relative and the ability of a drug to activate certain receptors depends on the amount of drug administered - Answer True; Low or therapeutic dose =selectivity increased As dosage of the drug increases = selectivity declines alpha 1 adrenergic receptors - Answer Smooth muscle contraction -Contraction of radial muscle in iris causes mydriasis -Arter...

Pharmacology: Antidepressants Questions and Answers Already Passed **How do antidepressants generally function?** Antidepressant medications work by enhancing neurotransmission of monoamines through various mechanisms. The most common involves inhibiting the reuptake of serotonin (SERT), norepinephrine (NET), or both from the synaptic cleft. **Identify the MAO inhibitors.** • Isocarboxazid (a hydrazine derivative) • Phenelzine (a hydrazine derivative) • Tranylcypromine (a no...