NU 150/ NU150 EXAM 1 – PHARMACOLOGY REVIEW | GALEN (LATEST 2026/ 2027
UPDATE) 100% VERIFIED QUESTIONS & ANSWERS | GRADE A – COMPREHENSIVE
QUESTIONS AND ANSWERS | VERIFIED AND WELL-DETAILED ANSWERS | DETAILED
EXPLANATIONS AND RATIONALES | COMPLETE EXAM PREPARATION STUDY GUIDE |
PRACTICE QUESTIONS | LATEST EXAM UPDATE
CORE DOMAINS
1. Pharmacology foundations and medication terminology
2. Pharmacokinetics and pharmacodynamics
3. Drug administration, dosage calculations, and medication safety
4. Medication interactions, adverse effects, and contraindications
5. Autonomic nervous system and cholinergic/adrenergic drugs
6. Cardiovascular and renal pharmacology
7. Respiratory and gastrointestinal pharmacology
8. Endocrine, neurologic, analgesic, and anti-infective pharmacology
INTRODUCTION
This 100-question assessment is designed as a comprehensive pharmacology practice guide
for NU 150/NU150 Exam 1. It emphasizes foundational concepts, pharmacokinetics,
pharmacodynamics, medication administration, adverse effects, drug interactions, nursing
assessment, patient education, and clinical decision-making. Questions progress from
foundational knowledge to application and analysis so learners practice recognizing
medication-related risks and selecting appropriate nursing actions. Pharmacokinetics
includes absorption, distribution, metabolism, and excretion, while pharmacodynamics
addresses how drugs produce physiological effects.
SECTION ONE: QUESTIONS 1–100
Question 1.
Which statement best describes pharmacology?
A. The study of microorganisms that cause disease
B. The study of drugs and their effects on living organisms
C. The study of surgical procedures
D. The study of genetic inheritance
Correct Answer: B. The study of drugs and their effects on living organisms
,Explanation: Pharmacology focuses on medications, including their actions, effects, uses,
interactions, and movement through the body. A strong pharmacology foundation supports
safe medication administration and nursing clinical judgment.
Question 2.
A nurse is reviewing the four major processes of pharmacokinetics. Which sequence is
correct?
A. Distribution, absorption, excretion, metabolism
B. Absorption, metabolism, distribution, excretion
C. Absorption, distribution, metabolism, excretion
D. Metabolism, absorption, distribution, excretion
Correct Answer: C. Absorption, distribution, metabolism, excretion
Explanation: Pharmacokinetics describes what the body does to a drug. The four primary
processes are absorption, distribution, metabolism, and excretion, commonly abbreviated
ADME.
Question 3.
Which term describes the physiological effects produced by a medication?
A. Pharmacodynamics
B. Pharmacokinetics
C. Bioavailability
D. Pharmacogenetics
Correct Answer: A. Pharmacodynamics
Explanation: Pharmacodynamics concerns what a drug does to the body, including its
interaction with receptors and resulting physiological responses. Pharmacokinetics instead
concerns the movement of drugs through the body.
Question 4.
A medication is administered intravenously. Why is its bioavailability considered essentially
complete?
A. It is absorbed slowly through the stomach
B. It is extensively metabolized before absorption
C. It bypasses the absorption barriers associated with other routes
D. It must first bind to plasma proteins
Correct Answer: C. It bypasses the absorption barriers associated with other routes
,Explanation: Intravenous administration places medication directly into systemic circulation,
avoiding the absorption step. Consequently, IV administration provides essentially 100%
bioavailability.
Question 5.
Which route of administration generally produces the fastest systemic availability?
A. Oral
B. Intravenous
C. Subcutaneous
D. Intramuscular
Correct Answer: B. Intravenous
Explanation: IV administration delivers medication directly into the bloodstream. Oral, IM,
and subcutaneous medications require additional movement into circulation.
Question 6.
A nurse explains that a medication's half-life refers to which concept?
A. Time required for a drug to begin producing an effect
B. Time required for the drug to reach its peak effect
C. Time required for the drug concentration to decrease by approximately one-half
D. Time required for complete drug elimination
Correct Answer: C. Time required for the drug concentration to decrease by approximately
one-half
Explanation: Half-life describes the time required for the amount or concentration of a drug
in the body to decline by approximately 50%. It helps determine dosing intervals and how
long medications may persist.
Question 7.
A medication has a very narrow therapeutic index. What does this indicate?
A. The drug cannot produce toxicity
B. A relatively small difference exists between effective and toxic concentrations
C. The drug is always administered intravenously
D. The drug has no adverse effects
Correct Answer: B. A relatively small difference exists between effective and toxic
concentrations
Explanation: A narrow therapeutic range means the therapeutic and toxic concentrations
are relatively close. Such medications often require careful monitoring because small
changes in concentration can cause clinically important effects.
, Question 8.
Which medication characteristic generally promotes more rapid movement across cell
membranes?
A. High lipid solubility
B. Large molecular size
C. Strong protein binding
D. Poor membrane permeability
Correct Answer: A. High lipid solubility
Explanation: Lipid-soluble medications can cross many cellular membranes more readily
than water-soluble medications. Distribution is influenced by lipid solubility, protein binding,
blood flow, and other factors.
Question 9.
A patient has significantly decreased plasma albumin. Which medication-related concern
should the nurse recognize?
A. Decreased free drug concentration for all medications
B. Increased protein binding
C. Increased free concentration of highly protein-bound drugs
D. Complete prevention of drug distribution
Correct Answer: C. Increased free concentration of highly protein-bound drugs
Explanation: Albumin binds many medications in the bloodstream. When protein binding
decreases, a larger fraction may remain unbound and pharmacologically active, potentially
increasing drug effects or toxicity.
Question 10.
Which statement best describes an agonist?
A. A drug that prevents every receptor response
B. A drug that binds to a receptor and produces a response
C. A drug that destroys the receptor
D. A drug that prevents absorption
Correct Answer: B. A drug that binds to a receptor and produces a response
Explanation: An agonist binds to a receptor and activates it to produce a physiological
response. An antagonist binds to a receptor but blocks or reduces the action of an agonist.
Question 11.
A nurse is explaining an antagonist to a student. Which statement is accurate?
UPDATE) 100% VERIFIED QUESTIONS & ANSWERS | GRADE A – COMPREHENSIVE
QUESTIONS AND ANSWERS | VERIFIED AND WELL-DETAILED ANSWERS | DETAILED
EXPLANATIONS AND RATIONALES | COMPLETE EXAM PREPARATION STUDY GUIDE |
PRACTICE QUESTIONS | LATEST EXAM UPDATE
CORE DOMAINS
1. Pharmacology foundations and medication terminology
2. Pharmacokinetics and pharmacodynamics
3. Drug administration, dosage calculations, and medication safety
4. Medication interactions, adverse effects, and contraindications
5. Autonomic nervous system and cholinergic/adrenergic drugs
6. Cardiovascular and renal pharmacology
7. Respiratory and gastrointestinal pharmacology
8. Endocrine, neurologic, analgesic, and anti-infective pharmacology
INTRODUCTION
This 100-question assessment is designed as a comprehensive pharmacology practice guide
for NU 150/NU150 Exam 1. It emphasizes foundational concepts, pharmacokinetics,
pharmacodynamics, medication administration, adverse effects, drug interactions, nursing
assessment, patient education, and clinical decision-making. Questions progress from
foundational knowledge to application and analysis so learners practice recognizing
medication-related risks and selecting appropriate nursing actions. Pharmacokinetics
includes absorption, distribution, metabolism, and excretion, while pharmacodynamics
addresses how drugs produce physiological effects.
SECTION ONE: QUESTIONS 1–100
Question 1.
Which statement best describes pharmacology?
A. The study of microorganisms that cause disease
B. The study of drugs and their effects on living organisms
C. The study of surgical procedures
D. The study of genetic inheritance
Correct Answer: B. The study of drugs and their effects on living organisms
,Explanation: Pharmacology focuses on medications, including their actions, effects, uses,
interactions, and movement through the body. A strong pharmacology foundation supports
safe medication administration and nursing clinical judgment.
Question 2.
A nurse is reviewing the four major processes of pharmacokinetics. Which sequence is
correct?
A. Distribution, absorption, excretion, metabolism
B. Absorption, metabolism, distribution, excretion
C. Absorption, distribution, metabolism, excretion
D. Metabolism, absorption, distribution, excretion
Correct Answer: C. Absorption, distribution, metabolism, excretion
Explanation: Pharmacokinetics describes what the body does to a drug. The four primary
processes are absorption, distribution, metabolism, and excretion, commonly abbreviated
ADME.
Question 3.
Which term describes the physiological effects produced by a medication?
A. Pharmacodynamics
B. Pharmacokinetics
C. Bioavailability
D. Pharmacogenetics
Correct Answer: A. Pharmacodynamics
Explanation: Pharmacodynamics concerns what a drug does to the body, including its
interaction with receptors and resulting physiological responses. Pharmacokinetics instead
concerns the movement of drugs through the body.
Question 4.
A medication is administered intravenously. Why is its bioavailability considered essentially
complete?
A. It is absorbed slowly through the stomach
B. It is extensively metabolized before absorption
C. It bypasses the absorption barriers associated with other routes
D. It must first bind to plasma proteins
Correct Answer: C. It bypasses the absorption barriers associated with other routes
,Explanation: Intravenous administration places medication directly into systemic circulation,
avoiding the absorption step. Consequently, IV administration provides essentially 100%
bioavailability.
Question 5.
Which route of administration generally produces the fastest systemic availability?
A. Oral
B. Intravenous
C. Subcutaneous
D. Intramuscular
Correct Answer: B. Intravenous
Explanation: IV administration delivers medication directly into the bloodstream. Oral, IM,
and subcutaneous medications require additional movement into circulation.
Question 6.
A nurse explains that a medication's half-life refers to which concept?
A. Time required for a drug to begin producing an effect
B. Time required for the drug to reach its peak effect
C. Time required for the drug concentration to decrease by approximately one-half
D. Time required for complete drug elimination
Correct Answer: C. Time required for the drug concentration to decrease by approximately
one-half
Explanation: Half-life describes the time required for the amount or concentration of a drug
in the body to decline by approximately 50%. It helps determine dosing intervals and how
long medications may persist.
Question 7.
A medication has a very narrow therapeutic index. What does this indicate?
A. The drug cannot produce toxicity
B. A relatively small difference exists between effective and toxic concentrations
C. The drug is always administered intravenously
D. The drug has no adverse effects
Correct Answer: B. A relatively small difference exists between effective and toxic
concentrations
Explanation: A narrow therapeutic range means the therapeutic and toxic concentrations
are relatively close. Such medications often require careful monitoring because small
changes in concentration can cause clinically important effects.
, Question 8.
Which medication characteristic generally promotes more rapid movement across cell
membranes?
A. High lipid solubility
B. Large molecular size
C. Strong protein binding
D. Poor membrane permeability
Correct Answer: A. High lipid solubility
Explanation: Lipid-soluble medications can cross many cellular membranes more readily
than water-soluble medications. Distribution is influenced by lipid solubility, protein binding,
blood flow, and other factors.
Question 9.
A patient has significantly decreased plasma albumin. Which medication-related concern
should the nurse recognize?
A. Decreased free drug concentration for all medications
B. Increased protein binding
C. Increased free concentration of highly protein-bound drugs
D. Complete prevention of drug distribution
Correct Answer: C. Increased free concentration of highly protein-bound drugs
Explanation: Albumin binds many medications in the bloodstream. When protein binding
decreases, a larger fraction may remain unbound and pharmacologically active, potentially
increasing drug effects or toxicity.
Question 10.
Which statement best describes an agonist?
A. A drug that prevents every receptor response
B. A drug that binds to a receptor and produces a response
C. A drug that destroys the receptor
D. A drug that prevents absorption
Correct Answer: B. A drug that binds to a receptor and produces a response
Explanation: An agonist binds to a receptor and activates it to produce a physiological
response. An antagonist binds to a receptor but blocks or reduces the action of an agonist.
Question 11.
A nurse is explaining an antagonist to a student. Which statement is accurate?
