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Questions and Answers
What is John's Wort primarily indicated for?
What is John's Wort primarily indicated for?
Which of the following is a common side effect of Valerian?
Which of the following is a common side effect of Valerian?
For which condition is John's Wort contraindicated?
For which condition is John's Wort contraindicated?
What is the primary neurotransmitter affected by Valerian?
What is the primary neurotransmitter affected by Valerian?
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Which circumstance would contraindicate the use of Valerian?
Which circumstance would contraindicate the use of Valerian?
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What is the primary focus of pharmacology?
What is the primary focus of pharmacology?
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Which of the following is NOT a characteristic of an ideal drug?
Which of the following is NOT a characteristic of an ideal drug?
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What defines a placebo in a clinical setting?
What defines a placebo in a clinical setting?
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In pharmacotherapy, what does the term 'prototype' refer to?
In pharmacotherapy, what does the term 'prototype' refer to?
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Which statement best describes pharmacotherapy?
Which statement best describes pharmacotherapy?
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What is a characteristic of a brand name drug?
What is a characteristic of a brand name drug?
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Which of the following is true about generic names of drugs?
Which of the following is true about generic names of drugs?
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What aspect defines a drug's pharmacologic class?
What aspect defines a drug's pharmacologic class?
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What is the purpose of Phase 1 in clinical trials?
What is the purpose of Phase 1 in clinical trials?
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Which of the following best describes the therapeutic class of a drug?
Which of the following best describes the therapeutic class of a drug?
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Which route of administration typically has the highest bioavailability?
Which route of administration typically has the highest bioavailability?
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What is a primary advantage of enteral administration?
What is a primary advantage of enteral administration?
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Which of the following is a disadvantage of parenteral administration?
Which of the following is a disadvantage of parenteral administration?
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What is the purpose of a depot injection?
What is the purpose of a depot injection?
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Which of the following describes a key disadvantage of topical administration?
Which of the following describes a key disadvantage of topical administration?
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When applying a transdermal patch, what is a crucial step to ensure proper adhesion?
When applying a transdermal patch, what is a crucial step to ensure proper adhesion?
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What is a common drawback of enteral drug administration compared to parenteral methods?
What is a common drawback of enteral drug administration compared to parenteral methods?
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Which administration method can pose a risk of gastric irritation?
Which administration method can pose a risk of gastric irritation?
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What is the primary characteristic of Schedule 1 drugs?
What is the primary characteristic of Schedule 1 drugs?
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Which of the following is a requirement for Schedule 2 prescriptions?
Which of the following is a requirement for Schedule 2 prescriptions?
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What distinguishes an Over-the-Counter (OTC) medication from a prescription drug?
What distinguishes an Over-the-Counter (OTC) medication from a prescription drug?
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Which drug schedule allows for a maximum of five refills or prescription rewriting after six months?
Which drug schedule allows for a maximum of five refills or prescription rewriting after six months?
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What is the main focus of pharmacokinetics in relation to medication?
What is the main focus of pharmacokinetics in relation to medication?
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Which dosage form is known to have the highest bioavailability?
Which dosage form is known to have the highest bioavailability?
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What does the term 'First Pass Effect' refer to?
What does the term 'First Pass Effect' refer to?
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What is a common misconception about prescription drugs?
What is a common misconception about prescription drugs?
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Which factor is NOT known to affect drug metabolism?
Which factor is NOT known to affect drug metabolism?
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What is the primary route that experiences first pass metabolism?
What is the primary route that experiences first pass metabolism?
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Which of the following statements about excretion is true?
Which of the following statements about excretion is true?
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An agonist is characterized by which of the following actions?
An agonist is characterized by which of the following actions?
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What does 'maintenance dose' refer to in pharmacology?
What does 'maintenance dose' refer to in pharmacology?
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Which of the following describes 'trough level' in pharmacology?
Which of the following describes 'trough level' in pharmacology?
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Which factor can slow down drug excretion from the body?
Which factor can slow down drug excretion from the body?
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Which definition correctly describes 'onset of action'?
Which definition correctly describes 'onset of action'?
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Study Notes
Introduction to Pharmacology
- Pharmacology: The study of drugs, their properties, effects, and interactions with living organisms.
- Pharmacotherapy: The treatment of diseases using drugs.
- Drug: Any substance that alters physiological function.
- Placebo: An inactive substance used as a control in experiments or therapies.
- Prototype: A standard or typical example of a drug used to compare other drugs in the same class.
- Ideal Drug: A medication that meets specific criteria for efficacy, safety, and convenience.
Characteristics of an Ideal Drug
- Effectively treats, prevents, or cures a condition.
- Rapid and predictable response at low doses.
- Quickly eliminated by the body after the therapeutic effect is produced.
- Can be taken infrequently or for a short time.
- Affordable and readily available.
- Convenient administration.
- No adverse effects.
- Does not interact with other medications or food.
Drug Naming
- Trade Name (Brand Name): Created by the drug company, often easier to remember and pronounce; must be approved by the FDA.
- Generic Name: A single name for a drug; first letter is lowercase; examples: sildenafil, acetaminophen, ibuprofen, atorvastatin
Drug Schedules
- Schedule 1: All non-research use is illegal; highest potential for abuse (Heroin, LSD, MDMA).
- Schedule 2: Accepted medical use but high potential for abuse (Oxycodone, Morphine).
Legal Classification of Drugs
- Prescription Drugs (Rx): Available only with a prescription; typically require training/skill to administer.
- Over-the-Counter Drugs (OTC): Available to the general population without a prescription.
Drug Development and Approval
- Laboratory Research, Pre-clinical Research, Clinical Trials (Phase 1 – Safety, Phase 2 – Effectiveness, Phase 3 – Patient Variability & Drug Interactions), Government Review, Post-Marketing Surveillance.
Pharmacokinetics
- Bioavailability: The amount of a drug that reaches the bloodstream after administration.
- First-Pass Metabolism: When a drug is absorbed through the intestines, it passes through the liver before entering general circulation. Some of the drug may be broken down, reducing bioavailability.
Routes of Administration
- Enteral: Oral (tablet, capsule, controlled release), sublingual, buccal, nasogastric tube, rectal.
- Parenteral: Intravenous, intramuscular, subcutaneous, intradermal, epidural, transdermal.
- Topical: Transdermal, eye, ear, vaginal.
- Inhalation: Vaporization, gas inhalation, nebulization.
Factors Affecting Absorption
- Administration route
- Drug solubility
- pH levels
- Presence of food
Drug Toxicity
- Teratogenicity: Causes harm to a developing fetus.
- Nephrotoxicity: Damage to the kidneys.
- Hepatotoxicity: Damage to the liver.
- Neurotoxicity: Damage to the brain or nerves.
- Dermatologic toxicity: Damage to the skin.
- Ototoxicity: Damage to the ear.
- Musculoskeletal toxicity: Damage to muscles or tendons.
- Bone marrow suppression: Impaired production of blood cells.
- Cardiotoxicity: Damage to the heart
Drug Interactions
- Drugs interacting with other drugs, foods, or other substances.
Medication Errors
- Strategies to reduce medication errors involve up-to-date knowledge, sticking to what's known, scanning and confirming information, consulting interdisciplinary teams, writing out orders, not having look-a-likes and sound-a-likes stored together.
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Description
Test your knowledge on the fundamental concepts of pharmacology, including drug indications, side effects, and classifications. This quiz covers essential topics that are crucial for understanding pharmacotherapy and clinical trials. Perfect for students studying pharmacy or healthcare professionals seeking to refresh their knowledge.