NUR 635 FINAL EXAM 3 ADVANCED
PHARMACOLOGY GRAND CANYON
UNIVERSITY 2026/2027 REAL EXAM WITH A+
QUESTIONS AND CORRECT ANSWERS
WITH RATIONALES GRADED A+
NUR 635 ACTUAL FINAL EXAM 2 GCU
2026/2027 (BRAND NEW!!)
Advanced Practice Nursing Pharmacotherapeutics Examination
A+ QUESTIONS SECTIONS 100%
VERIFIED 5 RATIONALES
CATEGORIES
1. Pharmacokinetics & Pharmacodynamics
2. Cardiovascular & Renal Pharmacotherapy
3. CNS, Psychiatric & Pain Management
4. Antimicrobial & Infectious Disease Therapy
5. Endocrine, Respiratory & Special Populations
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, NUR 635 Advanced Pharmacology 2026/2027 Page 2
SECTION 1: Pharmacokinetics & Pharmacodynamics
Q1. A 72-year-old patient with heart failure and reduced renal function is started on digoxin. The nurse practitioner notes that the
patient’s serum creatinine has risen from 1.1 to 2.4 mg/dL over the past week. Digoxin is primarily eliminated by the kidneys. What
pharmacokinetic adjustment is most appropriate?
A. Increase the digoxin dose to overcome reduced tissue distribution
B. Switch to a loading dose only and discontinue maintenance therapy
C. Reduce the digoxin dose or extend the dosing interval because decreased clearance will prolong half-life and raise steady-state
concentrations
D. No change is needed because digoxin is metabolized by the liver
Correct Answer: C
Rationale: Digoxin clearance is reduced in renal impairment, prolonging half-life and increasing the risk of toxicity; dose reduction or interval
extension is required.
Q2. A patient is receiving a drug that exhibits zero-order elimination kinetics at therapeutic doses. After the dose is doubled, the
plasma concentration rises more than twofold and the duration of action lengthens disproportionately. Which statement best
explains this observation?
A. The drug follows first-order kinetics and clearance remains constant at all doses
B. Elimination pathways are saturated; a constant amount of drug is eliminated per unit time, so half-life increases with higher
concentrations
C. Volume of distribution has decreased, concentrating the drug in plasma
D. First-pass metabolism has been completely inhibited
Correct Answer: B
Rationale: Zero-order kinetics mean a fixed amount is eliminated per time; when pathways are saturated, concentration and duration rise
disproportionately with dose.
Q3. An advanced practice nurse is counseling a patient about a new oral medication that has low oral bioavailability because of
extensive first-pass hepatic metabolism. Which strategy is most likely to improve systemic exposure?
A. Take the medication with a high-fat meal to slow gastric emptying
B. Crush the tablet and mix it with juice to enhance absorption
C. Administer the drug by a route that bypasses the portal circulation, such as sublingual or transdermal, if available
D. Increase the dosing frequency while keeping the total daily dose the same
Correct Answer: C
Rationale: First-pass metabolism occurs when drug absorbed from the gut enters the portal vein and is extensively metabolized by the liver before
reaching systemic circulation; non-oral routes avoid this.
Q4. A drug has a volume of distribution of 0.1 L/kg. In a 70-kg adult, approximately how much of a 70-mg intravenous dose remains
in the plasma compartment at distribution equilibrium?
A. Most of the dose has left the plasma and entered adipose tissue
B. Essentially the entire dose remains in the plasma; a low Vd indicates limited tissue distribution
C. Approximately half the dose is bound to plasma proteins
D. The dose is equally distributed between plasma and extracellular fluid
Correct Answer: B
Rationale: A low Vd (approximately equal to plasma volume) indicates the drug remains largely within the vascular compartment rather than
distributing into tissues.
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