NSG5140 FINAL & MIDTERM EXAM
QUESTIONS AND ANSWERS GRADED A
STUDY GUIDE BUNDLE
This comprehensive master study bank delivers verified multiple-choice
questions, correct answers, and high-yield clinical rationales designed
explicitly for the advanced nursing curriculum. Each question mimics
higher-level board and university-style assessments, pinpointing complex
cell dynamics, organ-system failures, and critical diagnostic biomarkers.
Perfect for self-testing or immediate study reference, this bundle provides
a guaranteed pathway to mastering advanced clinical concepts and
passing high-stakes pathophysiology exams.
Cellular & Immunological Pathophysiology
(Questions 1–10)
1. A 45-year-old male experiences myocardial
ischemia. Which cellular change occurs first
due to the lack of oxygen?
A) Influx of calcium into the cell
B) Decreased intracellular sodium
C) Decreased ATP production
D) Activation of caspases
Answer: C) Decreased ATP production
Rationale: Hypoxia directly impairs oxidative
phosphorylation in the mitochondria, leading to
an immediate drop in ATP production. This
, failure subsequently shuts down the Na+/K+
ATPase pump, causing intracellular swelling.
2. What is the primary mechanism of cellular
swelling during ischemic injury?
A) Failure of the sodium-potassium pump
B) Increased extracellular oncotic pressure
C) Activation of intracellular lipases
D) Loss of the nuclear membrane
Answer: A) Failure of the sodium-potassium
pump
Rationale: Without ATP, the sodium-potassium
pump fails, allowing sodium to accumulate
inside the cell. Water follows sodium
osmotically, leading to acute cellular swelling
(hydropic degeneration).
3. Which process describes programmed cell
death that does not trigger an inflammatory
response?
A) Coagulative necrosis
B) Liquefactive necrosis
C) Caseous necrosis
D) Apoptosis
Answer: D) Apoptosis
Rationale: Apoptosis is a highly regulated, neat
, process of cellular self-destruction. Cellular
debris is packaged into apoptotic bodies and
phagocytosed without spilling contents or
triggering inflammation.
4. A patient experiences severe bronchospasms
and hypotension immediately after a penicillin
injection. Which antibody mediates this
reaction?
A) IgG
B) IgM
C) IgA
D) IgE
Answer: D) IgE
Rationale: Type I hypersensitivity reactions
(anaphylaxis) are mediated by IgE antibodies
bound to mast cells and basophils, which
trigger massive histamine release upon re-
exposure.
5. What serological hallmark is highly sensitive for
diagnosing Systemic Lupus Erythematosus
(SLE)?
A) Rheumatoid factor (RF)
B) Antinuclear antibodies (ANA)
C) Anti-streptolysin O (ASO) titer
, D) C-reactive protein (CRP)
Answer: B) Antinuclear antibodies (ANA)
Rationale: ANA is the primary screening test for
SLE because it is positive in over 95% of
patients, representing the widespread
production of autoantibodies against nuclear
components.
6. Which cells are responsible for driving the
highly specific adaptive immune response?
A) Neutrophils and Macrophages
B) B and T Lymphocytes
C) Basophils and Eosinophils
D) Natural Killer (NK) cells
Answer: B) B and T Lymphocytes
Rationale: Lymphocytes are the core of adaptive
immunity. B cells provide humoral immunity via
antibodies, while T cells provide cell-mediated
immunity. Natural killer cells are part of innate
immunity.
7. During an acute bacterial infection, which
leukocyte acts as the primary, first-responder
phagocyte?
A) Monocyte
B) Eosinophil
QUESTIONS AND ANSWERS GRADED A
STUDY GUIDE BUNDLE
This comprehensive master study bank delivers verified multiple-choice
questions, correct answers, and high-yield clinical rationales designed
explicitly for the advanced nursing curriculum. Each question mimics
higher-level board and university-style assessments, pinpointing complex
cell dynamics, organ-system failures, and critical diagnostic biomarkers.
Perfect for self-testing or immediate study reference, this bundle provides
a guaranteed pathway to mastering advanced clinical concepts and
passing high-stakes pathophysiology exams.
Cellular & Immunological Pathophysiology
(Questions 1–10)
1. A 45-year-old male experiences myocardial
ischemia. Which cellular change occurs first
due to the lack of oxygen?
A) Influx of calcium into the cell
B) Decreased intracellular sodium
C) Decreased ATP production
D) Activation of caspases
Answer: C) Decreased ATP production
Rationale: Hypoxia directly impairs oxidative
phosphorylation in the mitochondria, leading to
an immediate drop in ATP production. This
, failure subsequently shuts down the Na+/K+
ATPase pump, causing intracellular swelling.
2. What is the primary mechanism of cellular
swelling during ischemic injury?
A) Failure of the sodium-potassium pump
B) Increased extracellular oncotic pressure
C) Activation of intracellular lipases
D) Loss of the nuclear membrane
Answer: A) Failure of the sodium-potassium
pump
Rationale: Without ATP, the sodium-potassium
pump fails, allowing sodium to accumulate
inside the cell. Water follows sodium
osmotically, leading to acute cellular swelling
(hydropic degeneration).
3. Which process describes programmed cell
death that does not trigger an inflammatory
response?
A) Coagulative necrosis
B) Liquefactive necrosis
C) Caseous necrosis
D) Apoptosis
Answer: D) Apoptosis
Rationale: Apoptosis is a highly regulated, neat
, process of cellular self-destruction. Cellular
debris is packaged into apoptotic bodies and
phagocytosed without spilling contents or
triggering inflammation.
4. A patient experiences severe bronchospasms
and hypotension immediately after a penicillin
injection. Which antibody mediates this
reaction?
A) IgG
B) IgM
C) IgA
D) IgE
Answer: D) IgE
Rationale: Type I hypersensitivity reactions
(anaphylaxis) are mediated by IgE antibodies
bound to mast cells and basophils, which
trigger massive histamine release upon re-
exposure.
5. What serological hallmark is highly sensitive for
diagnosing Systemic Lupus Erythematosus
(SLE)?
A) Rheumatoid factor (RF)
B) Antinuclear antibodies (ANA)
C) Anti-streptolysin O (ASO) titer
, D) C-reactive protein (CRP)
Answer: B) Antinuclear antibodies (ANA)
Rationale: ANA is the primary screening test for
SLE because it is positive in over 95% of
patients, representing the widespread
production of autoantibodies against nuclear
components.
6. Which cells are responsible for driving the
highly specific adaptive immune response?
A) Neutrophils and Macrophages
B) B and T Lymphocytes
C) Basophils and Eosinophils
D) Natural Killer (NK) cells
Answer: B) B and T Lymphocytes
Rationale: Lymphocytes are the core of adaptive
immunity. B cells provide humoral immunity via
antibodies, while T cells provide cell-mediated
immunity. Natural killer cells are part of innate
immunity.
7. During an acute bacterial infection, which
leukocyte acts as the primary, first-responder
phagocyte?
A) Monocyte
B) Eosinophil
