📂

Pathophysiology

141 questions found

Practice Questions

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

A. Bronchial smooth muscle hypertrophy.
B. Alveolar wall destruction and loss of elastic recoil.
C. Reversible airway inflammation.
D. Increased mucus gland hyperplasia.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with an autoimmune disease, Systemic Lupus Erythematosus (SLE), experiences damage to multiple organs. SLE is characterized by the production of:

A. Autoantibodies that attack the body's own tissues.
B. Increased complement proteins.
C. Decreased inflammatory mediators.
D. Excessive B-cell suppression.
nmdcat.online BS Nursing
Jun 6, 2026

A patient develops hyperkalemia. Which of the following is a common cause of hyperkalemia?

A. Excessive use of loop diuretics.
B. Diabetic ketoacidosis (DKA) with potassium shifting out of cells.
C. Prolonged diarrhea.
D. Cushing's syndrome.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

A patient with chronic heart failure experiences edema. The primary pathophysiological cause of heart failure-related edema is:

A. Decreased capillary hydrostatic pressure.
B. Increased plasma oncotic pressure.
C. Increased capillary hydrostatic pressure due to fluid overload and decreased cardiac output.
D. Increased lymphatic drainage.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with a severe bacterial infection develops fever. The release of which substances by immune cells primarily causes fever?

A. Antibodies.
B. Endotoxins.
C. Pyrogens (e.g., IL-1, TNF-alpha).
D. Histamine.
nmdcat.online BS Nursing
Jun 6, 2026

A patient is diagnosed with metastatic cancer. Metastasis refers to the process where cancer cells:

A. Undergo apoptosis.
B. Shrink in size.
C. Spread from the primary site to distant organs.
D. Become well-differentiated.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with type 2 diabetes mellitus primarily experiences:

A. Absolute insulin deficiency due to autoimmune destruction.
B. Insulin resistance and impaired insulin secretion.
C. Excessive glucagon production.
D. Pancreatic enzyme deficiency.
nmdcat.online BS Nursing
Jun 6, 2026

A patient develops a deep vein thrombosis (DVT). The key elements contributing to thrombus formation, as described by Virchow’s Triad, include:

A. Hypertension, obesity, and hyperlipidemia.
B. Venous stasis, endothelial injury, and hypercoagulability.
C. Hypovolemia, infection, and low blood pressure.
D. Anemia, fever, and leukopenia.
nmdcat.online BS Nursing
Jun 6, 2026

A patient experiences an exacerbation of Crohn’s disease. The primary pathological characteristic of Crohn’s disease is:

A. Continuous inflammation limited to the colon.
B. Patchy, transmural inflammation that can affect any part of the GI tract from mouth to anus.
C. Ulceration limited to the mucosal layer of the rectum.
D. Stricture formation only in the esophagus.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with prolonged, severe stress develops adrenal exhaustion. This phase of the General Adaptation Syndrome (GAS) is characterized by:

A. Initial sympathetic nervous system activation.
B. Mobilization of resources and adaptation.
C. Depletion of adaptation energy and potential for organ damage.
D. Increased resistance to disease.
nmdcat.online BS Nursing
Jun 6, 2026

A patient develops a severe allergic reaction (anaphylaxis) after receiving a medication. This type of hypersensitivity reaction is primarily mediated by:

A. IgG antibodies.
B. T-cytotoxic cells.
C. IgE antibodies and mast cell degranulation.
D. Immune complexes.
nmdcat.online BS Nursing
Jun 6, 2026
nmdcat.online BS Nursing
Jun 6, 2026

A patient with uncontrolled diabetes mellitus develops diabetic ketoacidosis (DKA). The primary underlying pathophysiological mechanism of DKA is:

A. Excessive insulin production leading to hypoglycemia.
B. Absolute or relative insulin deficiency leading to increased fat metabolism and ketone body formation.
C. Excessive fluid intake leading to hyponatremia.
D. Increased renal excretion of glucose without ketone production.
nmdcat.online BS Nursing
Jun 6, 2026

During the inflammatory response, the primary purpose of vasodilation is to:

A. Decrease blood flow to the injured area.
B. Reduce capillary permeability.
C. Increase blood flow to the injured area, facilitating delivery of immune cells.
D. Constrict arterioles to limit swelling.
nmdcat.online BS Nursing
Jun 6, 2026

A patient experiences a sudden onset of chest pain described as “crushing” and radiating to the left arm. This pain is caused by myocardial ischemia, which is a result of:

A. Decreased oxygen demand by the heart.
B. Inadequate oxygen supply to the myocardium.
C. Increased venous return to the heart.
D. Pulmonary hypertension.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with chronic kidney disease (CKD) develops anemia. The most common pathophysiological reason for this is:

A. Increased red blood cell destruction.
B. Decreased iron absorption in the gut.
C. Impaired production of erythropoietin by the kidneys.
D. Excessive blood loss through dialysis.
nmdcat.online BS Nursing
Jun 6, 2026

A patient with a severe bacterial infection develops systemic inflammatory response syndrome (SIRS) and then progresses to septic shock. The key pathophysiological event in septic shock is:

A. Massive vasodilation and increased capillary permeability due to inflammatory mediators.
B. Direct myocardial tissue damage.
C. Pulmonary embolism.
D. Hyperglycemia due to insulin resistance.
nmdcat.online BS Nursing
Jun 6, 2026
Page 7 of 8
Jump to:

🏆 Top Contributors

  • N

    nmdcat.online

    6361 MCQs

  • N

    NMDCAT.ONLINE

    1 MCQ

  • G

    GULABsb

    1 MCQ

Categories

View all →