ADVANCED PRACTICE PATHOPHYSIOLOGY
350-QUESTION PRACTICE EXAMINATION
Multiple-Choice Questions • Correct Answers Marked • Detailed Rationales in Red
EXAM FORMAT
14 chapters • 25 questions per chapter • 350 questions total
Each question uses four answer choices (A–D). The correct answer is explicitly marked, followed by a concise
rationale in red text.
TABLE OF CONTENTS QUESTIONS
Chapter 1 — Cellular Function 1–25
Chapter 2 — Inflammation and Immunity 26–50
Chapter 3 — Fluids, Electrolytes, and Acid–Base Balance 51–75
Chapter 4 — Genetics and Inherited Disorders 76–100
Chapter 5 — Cellular Injury, Neoplasia, and Cancer Biology 101–125
Chapter 6 — Cardiovascular Pathophysiology 126–150
Chapter 7 — Respiratory Pathophysiology 151–175
Chapter 8 — Renal and Urinary Pathophysiology 176–200
Chapter 9 — Gastrointestinal Pathophysiology 201–225
Chapter 10 — Endocrine and Metabolic Disorders 226–250
Chapter 11 — Neurologic Pathophysiology 251–275
Chapter 12 — Musculoskeletal and Integumentary Pathophysiology 276–300
Chapter 13 — Hematologic and Immune Blood Disorders 301–325
Chapter 14 — Reproductive Pathophysiology 326–350
Chapter 1 — Cellular Function
Question 1
Which statement best describes the nucleus?
Original Practice Examination • Page 1
,A. contains most of the cell's DNA and regulates gene expression
B. synthesizes proteins destined for secretion or membranes
C. reflects unequal ion distribution and selective membrane permeability
D. uses membrane proteins to move substances down a gradient without direct ATP use
CORRECT ANSWER: A
Rationale: The nucleus houses most genomic DNA and controls transcription, helping regulate cellular function.
Question 2
A nurse is reviewing pathophysiology concepts. Which statement about mitochondria is most accurate?
A. generate most cellular ATP through aerobic oxidative phosphorylation
B. contain enzymes that digest intracellular material
C. uses membrane proteins to move substances down a gradient without direct ATP useD. is a
reduction in cell size and functional capacity
CORRECT ANSWER: A
Rationale: Mitochondria use nutrient-derived electrons to drive oxidative phosphorylation and ATP production.
Question 3
Which finding or mechanism is most consistent with ribosomes?
A. makes the membrane potential less negative
B. translate messenger RNA into proteins
C. contain enzymes that digest intracellular material
D. participates in lipid synthesis and detoxification
CORRECT ANSWER: B
Rationale: Ribosomes read mRNA codons and assemble amino acids into polypeptide chains.
Question 4
When teaching a client about rough endoplasmic reticulum, which explanation is most accurate?
A. is enlargement of individual cells
Original Practice Examination • Page 2
,B. synthesizes proteins destined for secretion or membranes
C. uses energy stored in an ion gradient to drive another substance uphill
D. makes the membrane potential less negative
CORRECT ANSWER: B
Rationale: Ribosome-studded rough ER produces many secreted, lysosomal, and membrane proteins.
Question 5
Which physiologic change best represents smooth endoplasmic reticulum?
A. releases vesicular contents into extracellular fluid
B. is reversible replacement of one differentiated cell type by another
C. synthesizes proteins destined for secretion or membranes
D. participates in lipid synthesis and detoxification
CORRECT ANSWER: D
Rationale: Smooth ER contributes to lipid metabolism, calcium handling, and detoxification reactions.
Question 6
Which statement best describes Golgi apparatus?
A. uses membrane proteins to move substances down a gradient without direct ATP use
B. contains most of the cell's DNA and regulates gene expression
C. uses energy stored in an ion gradient to drive another substance uphill
D. modifies, sorts, and packages proteins and lipids
CORRECT ANSWER: D
Rationale: The Golgi processes cargo from the ER and directs it to appropriate cellular destinations.
Original Practice Examination • Page 3
, Question 7
A nurse is reviewing pathophysiology concepts. Which statement about lysosomes is most accurate?
A. controls movement between the intracellular and extracellular compartments
B. uses ATP directly to move substances against an electrochemical gradient
C. is programmed, regulated cell death
D. contain enzymes that digest intracellular material
CORRECT ANSWER: D
Rationale: Lysosomal enzymes break down macromolecules and cellular debris within acidic vesicles.
Question 8
Which finding or mechanism is most consistent with plasma membrane?
A. is programmed, regulated cell death
B. is movement of water across a selectively permeable membrane
C. is an increase in cell number
D. controls movement between the intracellular and extracellular compartments
CORRECT ANSWER: D
Rationale: The membrane's lipid bilayer and proteins regulate transport, signaling, and cell interactions.
Question 9
When teaching a client about simple diffusion, which explanation is most accurate?
A. generate most cellular ATP through aerobic oxidative phosphorylation
B. makes the membrane potential less negative
C. uses membrane proteins to move substances down a gradient without direct ATP use
D. moves a substance down its concentration gradient without ATP use
CORRECT ANSWER: D
Original Practice Examination • Page 4
350-QUESTION PRACTICE EXAMINATION
Multiple-Choice Questions • Correct Answers Marked • Detailed Rationales in Red
EXAM FORMAT
14 chapters • 25 questions per chapter • 350 questions total
Each question uses four answer choices (A–D). The correct answer is explicitly marked, followed by a concise
rationale in red text.
TABLE OF CONTENTS QUESTIONS
Chapter 1 — Cellular Function 1–25
Chapter 2 — Inflammation and Immunity 26–50
Chapter 3 — Fluids, Electrolytes, and Acid–Base Balance 51–75
Chapter 4 — Genetics and Inherited Disorders 76–100
Chapter 5 — Cellular Injury, Neoplasia, and Cancer Biology 101–125
Chapter 6 — Cardiovascular Pathophysiology 126–150
Chapter 7 — Respiratory Pathophysiology 151–175
Chapter 8 — Renal and Urinary Pathophysiology 176–200
Chapter 9 — Gastrointestinal Pathophysiology 201–225
Chapter 10 — Endocrine and Metabolic Disorders 226–250
Chapter 11 — Neurologic Pathophysiology 251–275
Chapter 12 — Musculoskeletal and Integumentary Pathophysiology 276–300
Chapter 13 — Hematologic and Immune Blood Disorders 301–325
Chapter 14 — Reproductive Pathophysiology 326–350
Chapter 1 — Cellular Function
Question 1
Which statement best describes the nucleus?
Original Practice Examination • Page 1
,A. contains most of the cell's DNA and regulates gene expression
B. synthesizes proteins destined for secretion or membranes
C. reflects unequal ion distribution and selective membrane permeability
D. uses membrane proteins to move substances down a gradient without direct ATP use
CORRECT ANSWER: A
Rationale: The nucleus houses most genomic DNA and controls transcription, helping regulate cellular function.
Question 2
A nurse is reviewing pathophysiology concepts. Which statement about mitochondria is most accurate?
A. generate most cellular ATP through aerobic oxidative phosphorylation
B. contain enzymes that digest intracellular material
C. uses membrane proteins to move substances down a gradient without direct ATP useD. is a
reduction in cell size and functional capacity
CORRECT ANSWER: A
Rationale: Mitochondria use nutrient-derived electrons to drive oxidative phosphorylation and ATP production.
Question 3
Which finding or mechanism is most consistent with ribosomes?
A. makes the membrane potential less negative
B. translate messenger RNA into proteins
C. contain enzymes that digest intracellular material
D. participates in lipid synthesis and detoxification
CORRECT ANSWER: B
Rationale: Ribosomes read mRNA codons and assemble amino acids into polypeptide chains.
Question 4
When teaching a client about rough endoplasmic reticulum, which explanation is most accurate?
A. is enlargement of individual cells
Original Practice Examination • Page 2
,B. synthesizes proteins destined for secretion or membranes
C. uses energy stored in an ion gradient to drive another substance uphill
D. makes the membrane potential less negative
CORRECT ANSWER: B
Rationale: Ribosome-studded rough ER produces many secreted, lysosomal, and membrane proteins.
Question 5
Which physiologic change best represents smooth endoplasmic reticulum?
A. releases vesicular contents into extracellular fluid
B. is reversible replacement of one differentiated cell type by another
C. synthesizes proteins destined for secretion or membranes
D. participates in lipid synthesis and detoxification
CORRECT ANSWER: D
Rationale: Smooth ER contributes to lipid metabolism, calcium handling, and detoxification reactions.
Question 6
Which statement best describes Golgi apparatus?
A. uses membrane proteins to move substances down a gradient without direct ATP use
B. contains most of the cell's DNA and regulates gene expression
C. uses energy stored in an ion gradient to drive another substance uphill
D. modifies, sorts, and packages proteins and lipids
CORRECT ANSWER: D
Rationale: The Golgi processes cargo from the ER and directs it to appropriate cellular destinations.
Original Practice Examination • Page 3
, Question 7
A nurse is reviewing pathophysiology concepts. Which statement about lysosomes is most accurate?
A. controls movement between the intracellular and extracellular compartments
B. uses ATP directly to move substances against an electrochemical gradient
C. is programmed, regulated cell death
D. contain enzymes that digest intracellular material
CORRECT ANSWER: D
Rationale: Lysosomal enzymes break down macromolecules and cellular debris within acidic vesicles.
Question 8
Which finding or mechanism is most consistent with plasma membrane?
A. is programmed, regulated cell death
B. is movement of water across a selectively permeable membrane
C. is an increase in cell number
D. controls movement between the intracellular and extracellular compartments
CORRECT ANSWER: D
Rationale: The membrane's lipid bilayer and proteins regulate transport, signaling, and cell interactions.
Question 9
When teaching a client about simple diffusion, which explanation is most accurate?
A. generate most cellular ATP through aerobic oxidative phosphorylation
B. makes the membrane potential less negative
C. uses membrane proteins to move substances down a gradient without direct ATP use
D. moves a substance down its concentration gradient without ATP use
CORRECT ANSWER: D
Original Practice Examination • Page 4
