ADVANCED PRACTICE NURSING EDUCATION BOARD
NSG 6001 QUIZ, MIDTERM AND
FINAL EXAM PACKAGE
Official Practice Exam | 2026/2027 Edition
150 Questions 180 Minutes 80% Passing Score Recertification
TABLE OF CONTENTS
Section 1: Cellular & Molecular Pathophysiology ............ Q1-Q25 (25 questions)
Section 2: Immune & Inflammatory Disorders ............ Q26-Q50 (25 questions)
Section 3: Cardiovascular & Hematologic Disorders ............ Q51-Q80 (30 questions)
Section 4: Pulmonary & Respiratory Disorders ............ Q81-Q105 (25 questions)
Section 5: Neurologic & Sensory Disorders ............ Q106-Q130 (25 questions)
Section 6: Renal, Endocrine & Gastrointestinal Disorders ............ Q131-Q150 (20 questions)
INSTRUCTIONS
Read each question carefully. Select the single best answer from the four options provided. Each question is worth equal
points. You have 180 minutes to complete all 150 questions. A score of 80% or higher (120/150) is required to pass. No
electronic devices are permitted. Mark your answers on the separate answer sheet provided. Review the rationale after
each question for learning purposes.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 1 of
, Section 1: Cellular & Molecular Pathophysiology -- 2026/2027
Q1 Question 1 of 150
A 52-year-old male presents with progressive muscle weakness and exercise intolerance. Muscle
biopsy reveals ragged-red fibers, and laboratory studies show elevated lactate levels at rest. The
physician suspects a mitochondrial disorder affecting oxidative phosphorylation. Which cellular
process is most directly impaired in this patient?
A. Glycolysis in the cytoplasm
B. Fatty acid beta-oxidation
C. Ribosomal protein synthesis
D. Electron transport chain function
Correct Answer: B
Rationale:
Ragged-red fibers and elevated lactate are hallmark findings of mitochondrial myopathies, which directly impair the
electron transport chain where oxidative phosphorylation occurs. Glycolysis is a cytoplasmic process and is not the
primary defect, though lactate accumulates as a compensatory mechanism when aerobic respiration fails.
Q2 Question 2 of 150
A 45-year-old woman with a history of recurrent infections is found to have a defect in the NADPH
oxidase enzyme complex within her phagocytes. Her nitroblue tetrazolium test is negative. This
patient's phagocytes are unable to perform which critical antimicrobial function?
A. Degranulation of lysosomal enzymes
B. Opsonization of bacterial surfaces
C. Presentation of antigens to T cells
D. Generation of reactive oxygen species
Correct Answer: B
Rationale:
The NADPH oxidase complex is essential for the respiratory burst that generates reactive oxygen species (superoxide,
hydrogen peroxide) in phagocytes. Chronic granulomatous disease results from defects in this complex. Degranulation
and antigen presentation are separate phagocyte functions not dependent on NADPH oxidase.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 2 of
, Q3 Question 3 of 150
A 38-year-old male presents with severe abdominal pain and neurological symptoms after starting a
new medication. Laboratory findings reveal elevated delta-aminolevulinic acid and porphobilinogen in
the urine. A defect in heme biosynthesis is suspected. In which cellular compartment does the
rate-limiting step of this pathway occur?
A. Cytoplasm
B. Nucleus
C. Endoplasmic reticulum
D. Mitochondria
Correct Answer: B
Rationale:
The rate-limiting step of heme biosynthesis is catalyzed by ALA synthase, which operates in the mitochondria. While
several steps occur in the cytoplasm, the key regulatory enzyme resides in the mitochondrial matrix. Acute intermittent
porphyria results from a defect in the cytoplasmic enzyme porphobilinogen deaminase, but the rate-limiting step
remains mitochondrial.
Q4 Question 4 of 150
A 60-year-old woman undergoes a biopsy of a rapidly growing breast mass. Pathology reveals cells
with large, hyperchromatic nuclei, prominent nucleoli, and a high mitotic index with several abnormal
mitotic figures. These findings most directly reflect dysfunction of which cellular component?
A. Lysosomal degradation pathway
B. Endoplasmic reticulum stress response
C. Gap junction intercellular communication
D. Cell cycle checkpoint controls
Correct Answer: B
Rationale:
Hyperchromatic nuclei, prominent nucleoli, and abnormal mitotic figures are hallmarks of malignant transformation
resulting from dysfunction of cell cycle checkpoint controls, particularly p53 and Rb pathways. Lysosomal and ER
dysfunction do not produce these specific nuclear and mitotic abnormalities.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 3 of
, Q5 Question 5 of 150
A 7-year-old boy presents with hepatosplenomegaly, neurological deterioration, and a cherry-red spot
on the macula. Enzyme analysis reveals a deficiency of beta-glucocerebrosidase. This condition
results from the accumulation of undegraded substrate within which organelle?
A. Mitochondrion
B. Golgi apparatus
C. Peroxisome
D. Lysosome
Correct Answer: B
Rationale:
Beta-glucocerebrosidase deficiency causes Gaucher disease, a lysosomal storage disorder where glucocerebroside
accumulates within lysosomes. The hepatosplenomegaly and neurological findings result from lysosomal engorgement
in macrophages and neurons. Mitochondrial and peroxisomal disorders produce different clinical patterns.
Q6 Question 6 of 150
A 55-year-old man with chronic alcohol use disorder presents with macrocytic anemia and elevated
homocysteine levels. A deficiency in folate metabolism is identified. Folate deficiency impairs DNA
synthesis primarily by reducing the availability of which nucleotide?
A. Adenosine monophosphate
B. Guanosine triphosphate
C. Uridine diphosphate
D. Thymidylate (dTMP)
Correct Answer: B
Rationale:
Folate is essential for the conversion of dUMP to dTMP (thymidylate) via thymidylate synthase, and its deficiency
directly impairs thymidine synthesis needed for DNA replication. While folate participates in purine synthesis as well,
the most critical and rate-limiting effect is on thymidylate production, causing megaloblastic anemia.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 4 of
NSG 6001 QUIZ, MIDTERM AND
FINAL EXAM PACKAGE
Official Practice Exam | 2026/2027 Edition
150 Questions 180 Minutes 80% Passing Score Recertification
TABLE OF CONTENTS
Section 1: Cellular & Molecular Pathophysiology ............ Q1-Q25 (25 questions)
Section 2: Immune & Inflammatory Disorders ............ Q26-Q50 (25 questions)
Section 3: Cardiovascular & Hematologic Disorders ............ Q51-Q80 (30 questions)
Section 4: Pulmonary & Respiratory Disorders ............ Q81-Q105 (25 questions)
Section 5: Neurologic & Sensory Disorders ............ Q106-Q130 (25 questions)
Section 6: Renal, Endocrine & Gastrointestinal Disorders ............ Q131-Q150 (20 questions)
INSTRUCTIONS
Read each question carefully. Select the single best answer from the four options provided. Each question is worth equal
points. You have 180 minutes to complete all 150 questions. A score of 80% or higher (120/150) is required to pass. No
electronic devices are permitted. Mark your answers on the separate answer sheet provided. Review the rationale after
each question for learning purposes.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 1 of
, Section 1: Cellular & Molecular Pathophysiology -- 2026/2027
Q1 Question 1 of 150
A 52-year-old male presents with progressive muscle weakness and exercise intolerance. Muscle
biopsy reveals ragged-red fibers, and laboratory studies show elevated lactate levels at rest. The
physician suspects a mitochondrial disorder affecting oxidative phosphorylation. Which cellular
process is most directly impaired in this patient?
A. Glycolysis in the cytoplasm
B. Fatty acid beta-oxidation
C. Ribosomal protein synthesis
D. Electron transport chain function
Correct Answer: B
Rationale:
Ragged-red fibers and elevated lactate are hallmark findings of mitochondrial myopathies, which directly impair the
electron transport chain where oxidative phosphorylation occurs. Glycolysis is a cytoplasmic process and is not the
primary defect, though lactate accumulates as a compensatory mechanism when aerobic respiration fails.
Q2 Question 2 of 150
A 45-year-old woman with a history of recurrent infections is found to have a defect in the NADPH
oxidase enzyme complex within her phagocytes. Her nitroblue tetrazolium test is negative. This
patient's phagocytes are unable to perform which critical antimicrobial function?
A. Degranulation of lysosomal enzymes
B. Opsonization of bacterial surfaces
C. Presentation of antigens to T cells
D. Generation of reactive oxygen species
Correct Answer: B
Rationale:
The NADPH oxidase complex is essential for the respiratory burst that generates reactive oxygen species (superoxide,
hydrogen peroxide) in phagocytes. Chronic granulomatous disease results from defects in this complex. Degranulation
and antigen presentation are separate phagocyte functions not dependent on NADPH oxidase.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 2 of
, Q3 Question 3 of 150
A 38-year-old male presents with severe abdominal pain and neurological symptoms after starting a
new medication. Laboratory findings reveal elevated delta-aminolevulinic acid and porphobilinogen in
the urine. A defect in heme biosynthesis is suspected. In which cellular compartment does the
rate-limiting step of this pathway occur?
A. Cytoplasm
B. Nucleus
C. Endoplasmic reticulum
D. Mitochondria
Correct Answer: B
Rationale:
The rate-limiting step of heme biosynthesis is catalyzed by ALA synthase, which operates in the mitochondria. While
several steps occur in the cytoplasm, the key regulatory enzyme resides in the mitochondrial matrix. Acute intermittent
porphyria results from a defect in the cytoplasmic enzyme porphobilinogen deaminase, but the rate-limiting step
remains mitochondrial.
Q4 Question 4 of 150
A 60-year-old woman undergoes a biopsy of a rapidly growing breast mass. Pathology reveals cells
with large, hyperchromatic nuclei, prominent nucleoli, and a high mitotic index with several abnormal
mitotic figures. These findings most directly reflect dysfunction of which cellular component?
A. Lysosomal degradation pathway
B. Endoplasmic reticulum stress response
C. Gap junction intercellular communication
D. Cell cycle checkpoint controls
Correct Answer: B
Rationale:
Hyperchromatic nuclei, prominent nucleoli, and abnormal mitotic figures are hallmarks of malignant transformation
resulting from dysfunction of cell cycle checkpoint controls, particularly p53 and Rb pathways. Lysosomal and ER
dysfunction do not produce these specific nuclear and mitotic abnormalities.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 3 of
, Q5 Question 5 of 150
A 7-year-old boy presents with hepatosplenomegaly, neurological deterioration, and a cherry-red spot
on the macula. Enzyme analysis reveals a deficiency of beta-glucocerebrosidase. This condition
results from the accumulation of undegraded substrate within which organelle?
A. Mitochondrion
B. Golgi apparatus
C. Peroxisome
D. Lysosome
Correct Answer: B
Rationale:
Beta-glucocerebrosidase deficiency causes Gaucher disease, a lysosomal storage disorder where glucocerebroside
accumulates within lysosomes. The hepatosplenomegaly and neurological findings result from lysosomal engorgement
in macrophages and neurons. Mitochondrial and peroxisomal disorders produce different clinical patterns.
Q6 Question 6 of 150
A 55-year-old man with chronic alcohol use disorder presents with macrocytic anemia and elevated
homocysteine levels. A deficiency in folate metabolism is identified. Folate deficiency impairs DNA
synthesis primarily by reducing the availability of which nucleotide?
A. Adenosine monophosphate
B. Guanosine triphosphate
C. Uridine diphosphate
D. Thymidylate (dTMP)
Correct Answer: B
Rationale:
Folate is essential for the conversion of dUMP to dTMP (thymidylate) via thymidylate synthase, and its deficiency
directly impairs thymidine synthesis needed for DNA replication. While folate participates in purine synthesis as well,
the most critical and rate-limiting effect is on thymidylate production, causing megaloblastic anemia.
NSG 6001 Exam Package -- 2026/2027 | Passing Score: 80% | Page 4 of
