Antagonism Study guides, Study notes & Summaries

What differentiates SGAs from FGAs? SGAs have: D2 and 5HT2A receptor antagonism + Antidepressant action, treat pos and neg schizo sx, metabolic SE, D2D interactions, approved for schizophrenia, mania, and acute mania FGAs have positive symptom antipsychotic actions - EPS, hyperprolactinemia Mostly D2 receptor antagonism Which SGA has lowest EPS SE, but is associated with substantial risk of agranuloycytosis? Clozapine The lower D2 receptor action is probably why clozapine does not cause ...

False - correct answer True or False: an antagonist will behave in a similar manner to an endogenous substrate An antagonist blocks an endogenous substrate from binding to its receptor - correct answer How does an antagonist work? Bronchial Smooth Muscle Relaxation - correct answer Activation of B2-receptors in the lungs would produce what effect? Reduced Heart Rate and Contractility - correct answer Antagonism of B1-receptors in the heart would produce what effect? Enzymes catalyze ...

Pharmacology Exam 1 – Questions With Multiple Choices 1. The study of drug absorption, distribution, metabolism, and excretion is known as A. pharmacotherapeutics B. pharmacodynamics C. pharmacokinetics D. pharmacy E. posology - ANS-C 2. The medical situation when a particular drug should not be administered is referred to as A. side effect B. adverse effect C. drug allergy D. contraindication E. antagonism - ANS-D 3. An unusual or unexpected drug reaction by an individual is kno...

What differentiates SGAs from FGAs? SGAs have: D2 and 5HT2A receptor antagonism + Antidepressant action, treat pos and neg schizo sx, metabolic SE, D2D interactions, approved for schizophrenia, mania, and acute mania FGAs have positive symptom antipsychotic actions - EPS, hyperprolactinemia Mostly D2 receptor antagonism Which SGA has lowest EPS SE, but is associated with substantial risk of agranuloycytosis? Clozapine The lower D2 receptor action is probably why clozapine does not cause ...

Exam 1: NURS660/ NURS 660 (NEW 2023/ 2024) Psychopharmacology and Advanced Mental Health Exam | 100% Correct | Complete guide with Questions and Verified Answers - Maryville Question Effects of high potency antipsychotics: Less histamine, muscarinic effects Less sedation, weight gain, anticholinergic effects More EPS effects Affinity for and Tightly bind to D2 receptors Question Drug Potency vs Efficacy Answer: Drug potency refers to the receptors affinity, abi...

HOSA Pharmacology (2023 Update) Questions And Answers Revised Grade A+. Absorption Correct Ans:- Process by which a drug enters the circulatory system (blood). Intravenous (IV) & Intra-Arterial Correct Ans:- Administration/Dosage routs that do not require absorption. Absorption, Distribution, Metabolism, & Elimination... The Pharmacokinetic Process Correct Ans:- ADME Addiction Correct Ans:- Dependence characterized by a perceived need to take a drug to attain the psychological & physical...

Risk of Schizophrenia in monozygotic twins is? - ANSWER 46-50% Family hx risk of schizophrenia - ANSWER 10x risk with 1st degree relative brain changes in schizophrenia - ANSWER increase in ventricular volume (enlarged cerebral ventricles) Hippocampus volume decrease, 4% smaller Decreased electrical activity in frontal lobes Decrease glutamate and GABA release. Decreased total brain volume functional neuroimaging findings of schizophrenia - ANSWER Abnormal function of frontal corti...

Exam 1: NURS660/ NURS 660 (Latest 2023/ 2024) Psychopharmacology and Advanced Mental Health Exam| Complete guide with Questions and Verified Answers| 100% Correct - Maryville Q: What is Hyperprolactinemia? Answer: Higher-than-normal prolactin levels, which may result in spontaneous breastmilk production and amenorrhea. Q: Hyperprolactinemia causes Answer: -adenoma -drugs (SSRI, antipsychotics, cocaine) -hypothyroidism -mass effect -trauma Q: Hyperprolactinemia Tx An...

NSG 552 Psychopharmacology Exam 1 Study Guide – Complete Latest 2024/2025. Phenylalanine (amino acid from diet) -> phenyalanine hydroxylase -> Tyrosine -> Tyrosine hydroxylase -> DOPA -> Dopa decarboxylase -> Dopamine KEY POINT: Dopamine is synthesized directly from tyrosine or indirectly from phenylalanine • Dopamine is packed and stored into synaptic vesicles via the vesicular monoamine transporter (VMAT2) and stored until its release into the synapse. • When dopam...

Pharmacotherapeutics for Advanced Practice Nurse Prescribers 5th Edition Woo & Robinson Test Bank UNIT I. THE FOUNDATION Chapter 1. The Role of the Nurse Practitioner as Prescriber Chapter 2. Review of the Basic Principles of Pharmacology Chapter 3. Rational Drug Selection Chapter 4. Legal and Professional Issues in Prescribing Chapter 5. Adverse Drug Reactions Chapter 6. An Introduction to Pharmacogenetics Chapter 7. Nutrition and Neutraceuticals Chapter 8. Herbal Therapies and Can...