1
NSE 111 / NSE111 Exam Actual Exam
2026/2027 | Questions with Verified
Answers | 100% Correct | Pass
Guaranteed
Q001: A nurse observes that a patient's blood pH has
dropped from 7.40 to 7.30. Which buffer system is the
first to respond in an attempt to restore pH toward
normal?
A. Phosphate buffer system
B. Protein buffer system
C. Bicarbonate buffer system
D. Ammonia buffer system
ANSWER: C
Q002: During cell respiration, which organelle is
primarily responsible for ATP production via the electron
transport chain?
A. Rough endoplasmic reticulum
B. Golgi apparatus
P a g e 1 | 24
, 2
C. Mitochondrion
D. Peroxisome
ANSWER: C
Q003: A patient presents with elevated serum urea and
creatinine. Which physiological process is most likely
impaired?
A. Glomerular filtration
B. Tubular secretion
C. Aldosterone secretion
D. ADH-mediated water reabsorption
ANSWER: A
Q004: Which class of antibodies is the first to be
produced during an initial immune response to a bacterial
infection?
A. IgG
B. IgA
C. IgM
D. IgE
ANSWER: C
P a g e 2 | 24
, 3
Q005: A nurse notes that a patient's arterial blood gas
shows HCO₃⁻ 18 mEq/L (normal 22–26). This finding is
consistent with which acid–base imbalance?
A. Respiratory acidosis
B. Metabolic acidosis
C. Respiratory alkalosis
D. Metabolic alkalosis
ANSWER: B
Q006: Which phase of the cell cycle is characterized by
DNA replication?
A. G₀
B. G₁
C. S
D. M
ANSWER: C
Q007: A gram-negative bacterium is identified in a wound
culture. Which structural component is responsible for its
endotoxic activity?
A. Peptidoglycan
B. Teichoic acid
P a g e 3 | 24
NSE 111 / NSE111 Exam Actual Exam
2026/2027 | Questions with Verified
Answers | 100% Correct | Pass
Guaranteed
Q001: A nurse observes that a patient's blood pH has
dropped from 7.40 to 7.30. Which buffer system is the
first to respond in an attempt to restore pH toward
normal?
A. Phosphate buffer system
B. Protein buffer system
C. Bicarbonate buffer system
D. Ammonia buffer system
ANSWER: C
Q002: During cell respiration, which organelle is
primarily responsible for ATP production via the electron
transport chain?
A. Rough endoplasmic reticulum
B. Golgi apparatus
P a g e 1 | 24
, 2
C. Mitochondrion
D. Peroxisome
ANSWER: C
Q003: A patient presents with elevated serum urea and
creatinine. Which physiological process is most likely
impaired?
A. Glomerular filtration
B. Tubular secretion
C. Aldosterone secretion
D. ADH-mediated water reabsorption
ANSWER: A
Q004: Which class of antibodies is the first to be
produced during an initial immune response to a bacterial
infection?
A. IgG
B. IgA
C. IgM
D. IgE
ANSWER: C
P a g e 2 | 24
, 3
Q005: A nurse notes that a patient's arterial blood gas
shows HCO₃⁻ 18 mEq/L (normal 22–26). This finding is
consistent with which acid–base imbalance?
A. Respiratory acidosis
B. Metabolic acidosis
C. Respiratory alkalosis
D. Metabolic alkalosis
ANSWER: B
Q006: Which phase of the cell cycle is characterized by
DNA replication?
A. G₀
B. G₁
C. S
D. M
ANSWER: C
Q007: A gram-negative bacterium is identified in a wound
culture. Which structural component is responsible for its
endotoxic activity?
A. Peptidoglycan
B. Teichoic acid
P a g e 3 | 24
