PHARMACOLOGY: DRUG MECHANISMS,
ABSORPTION, ROUTES, AND
PHARMACOKINETICS | COMPLETE STUDY
GUIDE 2026
| GRADED A+ |GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,What is toxicology? The study of the toxic or harmful effects of drugs or chemicals.
What is pharmacotherapy? Clinical pharmacology focused on the use of drugs to treat disease.
What are the routes of drug administration? Enteral (oral, rectal, sublingual, buccal) and Parenteral (IV, IM, SC, intrathecal,
intraperitoneal, intraosseous), along with inhalation and topical methods.
What are the advantages of oral drug administration? Convenient, safe, and economical.
What are the disadvantages of oral drug administration? Slow onset, first pass effect, complicated control of blood levels, and requires
patient consciousness.
What is the advantage of sublingual and buccal Bypasses the liver, avoiding the first pass effect.
administration?
What are the disadvantages of rectal administration? Erratic absorption, poor control of blood levels, potential mucosal irritation, and
inconvenience.
What is the definition of a drug? Chemical agents used in the prevention, treatment, or diagnosis of human and
animal diseases.
How are drugs classified? By therapeutic use, mechanism of action (MOA), and chemically.
What are the three names every drug has? Official name (generic), proprietary name (brand), and chemical name.
What is the role of the U.S. Pharmacopeial Convention Sets standards for the potency and purity of all official drugs in the U.S. and
(USP)? revises the compendium every 5 years.
What are potentially biased sources of drug information? Physician's Desk Reference (PDR), Facts and Comparisons, package inserts, ads,
and sales representatives.
What is the advantage of intravenous (IV) drug Very fast speed of onset and good control of plasma levels.
administration?
What are the disadvantages of intravenous (IV) drug Greater potential for toxicity, no recall of dose, risk of infection, and requires
administration? trained personnel.
, What is the advantage of intramuscular (IM) drug Fast onset for drugs in aqueous solution and no first pass effect.
administration?
What are the disadvantages of subcutaneous (SC) drug Not suitable for large volumes, risk of infection, and requires trained personnel.
administration?
What is the significance of the first mid-term exam in the It covers the first three lectures, including two introductory lectures on
pharmacology course? pharmacology.
What is the purpose of the quizzes following lectures? To assess understanding of the material covered in each lecture.
What resources are required for the pharmacology Textbooks including Brenner & Stevens' Pharmacology, and recommended texts
course? like Golan et al.'s Principles of Pharmacology.
What are the disadvantages of subcutaneous drug Risk of infections, painful, requires trained personnel.
administration?
What is a key advantage of intrathecal drug Direct delivery into the cerebrospinal fluid (CSF).
administration?
What is a common disadvantage of inhalation drug Difficulty regulating dose; requires special equipment.
administration?
What is the primary advantage of transdermal drug Bypasses the first-pass effect and allows for continuous administration.
administration?
What is the main barrier to drug penetration in The outer layer of the epidermis, known as the stratum corneum.
transdermal administration?
What does pharmacokinetics study? How drugs are distributed through the body and factors affecting drug
concentration.
ABSORPTION, ROUTES, AND
PHARMACOKINETICS | COMPLETE STUDY
GUIDE 2026
| GRADED A+ |GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,What is toxicology? The study of the toxic or harmful effects of drugs or chemicals.
What is pharmacotherapy? Clinical pharmacology focused on the use of drugs to treat disease.
What are the routes of drug administration? Enteral (oral, rectal, sublingual, buccal) and Parenteral (IV, IM, SC, intrathecal,
intraperitoneal, intraosseous), along with inhalation and topical methods.
What are the advantages of oral drug administration? Convenient, safe, and economical.
What are the disadvantages of oral drug administration? Slow onset, first pass effect, complicated control of blood levels, and requires
patient consciousness.
What is the advantage of sublingual and buccal Bypasses the liver, avoiding the first pass effect.
administration?
What are the disadvantages of rectal administration? Erratic absorption, poor control of blood levels, potential mucosal irritation, and
inconvenience.
What is the definition of a drug? Chemical agents used in the prevention, treatment, or diagnosis of human and
animal diseases.
How are drugs classified? By therapeutic use, mechanism of action (MOA), and chemically.
What are the three names every drug has? Official name (generic), proprietary name (brand), and chemical name.
What is the role of the U.S. Pharmacopeial Convention Sets standards for the potency and purity of all official drugs in the U.S. and
(USP)? revises the compendium every 5 years.
What are potentially biased sources of drug information? Physician's Desk Reference (PDR), Facts and Comparisons, package inserts, ads,
and sales representatives.
What is the advantage of intravenous (IV) drug Very fast speed of onset and good control of plasma levels.
administration?
What are the disadvantages of intravenous (IV) drug Greater potential for toxicity, no recall of dose, risk of infection, and requires
administration? trained personnel.
, What is the advantage of intramuscular (IM) drug Fast onset for drugs in aqueous solution and no first pass effect.
administration?
What are the disadvantages of subcutaneous (SC) drug Not suitable for large volumes, risk of infection, and requires trained personnel.
administration?
What is the significance of the first mid-term exam in the It covers the first three lectures, including two introductory lectures on
pharmacology course? pharmacology.
What is the purpose of the quizzes following lectures? To assess understanding of the material covered in each lecture.
What resources are required for the pharmacology Textbooks including Brenner & Stevens' Pharmacology, and recommended texts
course? like Golan et al.'s Principles of Pharmacology.
What are the disadvantages of subcutaneous drug Risk of infections, painful, requires trained personnel.
administration?
What is a key advantage of intrathecal drug Direct delivery into the cerebrospinal fluid (CSF).
administration?
What is a common disadvantage of inhalation drug Difficulty regulating dose; requires special equipment.
administration?
What is the primary advantage of transdermal drug Bypasses the first-pass effect and allows for continuous administration.
administration?
What is the main barrier to drug penetration in The outer layer of the epidermis, known as the stratum corneum.
transdermal administration?
What does pharmacokinetics study? How drugs are distributed through the body and factors affecting drug
concentration.
