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Pathophysiology

141 questions found

Practice Questions

A patient with chronic heart failure has a reduced ejection fraction. This indicates:

A. The heart pumps blood efficiently.
B. The heart's pumping ability is decreased. ✓
C. The heart valves are narrowed.
D. The patient is experiencing fluid volume deficit.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with a long history of smoking develops chronic bronchitis, a form of COPD. The primary pathological change in chronic bronchitis is:

A. Alveolar wall destruction.
B. Airway inflammation, mucus gland hyperplasia, and excessive mucus production. ✓
C. Reversible bronchospasm.
D. Decreased peripheral airway resistance.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with a severe burn develops an infection. The burn wound healing process is often complicated by which type of intention?

A. Primary intention.
B. Secondary intention. ✓
C. Tertiary intention.
D. First intention.
nmdcat.online BS Nursing
Jun 6, 2026

A patient experiences edema due to decreased plasma albumin levels. This is caused by:

A. Increased capillary hydrostatic pressure.
B. Decreased plasma oncotic pressure. ✓
C. Increased lymphatic drainage.
D. Increased arterial blood flow.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with a severe infection develops acute respiratory distress syndrome (ARDS). The primary pathological feature of ARDS is:

A. Bronchospasm.
B. Massive pulmonary edema and severe hypoxemia due to capillary-alveolar membrane damage. ✓
C. Chronic airway inflammation.
D. Alveolar wall destruction.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with iron deficiency anemia has impaired oxygen-carrying capacity due to a deficiency in:

A. White blood cells.
B. Hemoglobin synthesis. ✓
C. Platelet production.
D. Plasma volume.
nmdcat.online BS Nursing
Jun 6, 2026

A patient develops a keloid scar after surgery. This is an example of dysfunctional wound healing characterized by:

A. Normal scar formation.
B. Excessive collagen formation, extending beyond the original wound boundaries. ✓
C. Incomplete wound closure.
D. Decreased tensile strength.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with chronic stress experiences prolonged activation of the hypothalamic-pituitary-adrenal (HPA) axis, leading to increased cortisol levels. This can result in:

A. Enhanced immune function.
B. Decreased blood glucose levels.
C. Impaired immune function and increased risk of infection. ✓
D. Improved sleep patterns.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with rheumatoid arthritis (RA) experiences joint inflammation and destruction. RA is an autoimmune disease characterized by:

A. Autoantibodies attacking the neuromuscular junction.
B. Systemic inflammation mediated by immune complexes and T-cells, primarily affecting synovial joints. ✓
C. Destruction of pancreatic beta cells.
D. Increased red blood cell destruction.
nmdcat.online BS Nursing
Jun 6, 2026

A patient develops a thrombus in a coronary artery, leading to myocardial infarction. This is a common consequence of atherosclerosis, which involves:

A. Arterial vasodilation.
B. Hardening and narrowing of arteries due to plaque buildup. ✓
C. Venous inflammation.
D. Increased arterial elasticity.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with asthma experiences an acute exacerbation. The primary pathophysiological changes in the airways during an asthma attack include:

A. Bronchial smooth muscle relaxation and decreased mucus production.
B. Bronchospasm, airway inflammation, and increased mucus production. ✓
C. Destruction of alveolar walls.
D. Fluid accumulation in the pleural space.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

A patient with a severe burn injury develops massive edema in the affected area. This is primarily due to:

A. Increased intravascular protein synthesis.
B. Decreased capillary permeability.
C. Increased capillary hydrostatic pressure and increased capillary permeability. ✓
D. Decreased lymphatic drainage.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with acute pancreatitis develops severe abdominal pain. The pain is primarily caused by:

A. Gallstone obstruction only.
B. Autodigestion of pancreatic tissue by its own enzymes. ✓
C. Increased insulin secretion.
D. Liver inflammation.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with a genetic disorder has two copies of the abnormal gene on non-sex chromosomes to manifest the disease. This inheritance pattern is:

A. Autosomal dominant.
B. Autosomal recessive. ✓
C. X-linked dominant.
D. X-linked recessive.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

A patient with severe sepsis develops disseminated intravascular coagulation (DIC). The key pathophysiological feature of DIC is:

A. Excessive clot formation leading to widespread microvascular thrombosis and consumption of clotting factors, followed by bleeding. ✓
B. Only excessive bleeding with no clot formation.
C. Increased production of platelets.
D. Decreased fibrinolysis.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with acute kidney injury (AKI) experiences a sudden decline in renal function. The prerenal cause of AKI is characterized by:

A. Direct damage to kidney tubules.
B. Obstruction of urine outflow.
C. Decreased blood flow to the kidneys. ✓
D. Glomerular inflammation.
nmdcat.online BS Nursing
Jun 6, 2026
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