MCQs

11142 questions found

Practice Questions

76. A patient with severe sepsis develops acute respiratory distress syndrome (ARDS). What is the technical primary pathophysiological change in ARDS?

A. Bronchoconstriction.
B. Non-cardiogenic pulmonary edema due to increased alveolar-capillary membrane permeability.
C. Alveolar destruction.
D. Pulmonary fibrosis.
nmdcat.online BS Nursing
Jun 6, 2026

75. A patient with Type 2 Diabetes Mellitus develops hyperosmolar hyperglycemic state (HHS). What is the technical primary pathophysiological difference from diabetic ketoacidosis (DKA)?

A. Presence of severe ketosis and acidosis.
B. Profound hyperglycemia and hyperosmolarity without significant ketosis.
C. Absence of dehydration.
D. Normal insulin levels.
nmdcat.online BS Nursing
Jun 6, 2026

74. A patient with severe anemia (Hb 5 g/dL) presents with pallor, fatigue, and dyspnea on exertion. What is the technical primary pathophysiological consequence of severe anemia?

A. Increased oxygen-carrying capacity.
B. Decreased oxygen-carrying capacity of the blood, leading to tissue hypoxia.
C. Increased blood viscosity.
D. Enhanced immune response.
nmdcat.online BS Nursing
Jun 6, 2026

73. A patient with a suspected subarachnoid hemorrhage presents with sudden “thunderclap” headache, nuchal rigidity, and photophobia. What is the urgent clinical action required based on the likely pathophysiology?

A. Oral analgesics.
B. Immediate neuroimaging to confirm hemorrhage and neurosurgical consultation.
C. Physical therapy.
D. Antihistamines.
nmdcat.online BS Nursing
Jun 6, 2026

72. A patient with a history of chronic kidney disease develops metabolic acidosis. What is the technical primary pathophysiological reason for this?

A. Increased bicarbonate reabsorption.
B. Impaired renal excretion of acid and reduced bicarbonate regeneration.
C. Overproduction of lactic acid.
D. Excessive loss of CO2?.
nmdcat.online BS Nursing
Jun 6, 2026

71. A patient with Crohn’s disease develops intestinal strictures and fistulas. What is the technical pathophysiological process leading to these complications?

A. Superficial mucosal inflammation.
B. Transmural inflammation and fibrosis.
C. Diverticular outpouchings.
D. Gastric acid erosion.
nmdcat.online BS Nursing
Jun 6, 2026

70. A patient with hyperthyroidism presents with weight loss, heat intolerance, tremors, and tachycardia. What is the technical primary pathophysiological cause?

A. Decreased thyroid hormone production.
B. Excess thyroid hormone production, leading to a generalized hypermetabolic state.
C. Adrenal insufficiency.
D. Excess parathyroid hormone.
nmdcat.online BS Nursing
Jun 6, 2026

69. A patient with a history of deep vein thrombosis (DVT) is prescribed a direct oral anticoagulant (DOAC) like rivaroxaban. From a medicinal perspective, what is the technical pathophysiological mechanism of rivaroxaban?

A. Inhibits Vitamin K epoxide reductase.
B. Directly inhibits Factor Xa.
C. Directly inhibits thrombin.
D. Binds to antithrombin III.
nmdcat.online BS Nursing
Jun 6, 2026

68. A patient with a history of chronic alcoholism develops acute onset of delirium tremens. What is the critical clinical urgency in managing this condition?

A. Administering oral fluids.
B. Monitoring for and managing seizures, arrhythmias, and severe agitation with benzodiazepines.
C. Encouraging sleep.
D. Providing nutritional supplements.
nmdcat.online BS Nursing
Jun 6, 2026

67. A patient with chronic heart failure experiences worsening dyspnea on exertion and orthopnea. What is the technical pathophysiological mechanism driving the orthopnea?

A. Peripheral vasoconstriction.
B. Redistribution of fluid from the lower extremities to the pulmonary circulation when lying flat.
C. Decreased venous return.
D. Increased cardiac contractility.
nmdcat.online BS Nursing
Jun 6, 2026

66. A patient with severe heart failure develops cardiogenic shock. What is the technical primary pathophysiological event in cardiogenic shock?

A. Increased systemic vascular resistance.
B. Profound decrease in cardiac output, leading to inadequate tissue perfusion.
C. Increased blood volume.
D. Vasodilation.
nmdcat.online BS Nursing
Jun 6, 2026

65. A patient with acute pyelonephritis presents with fever, chills, flank pain, and dysuria. What is the technical primary pathophysiological event?

A. Viral infection of the bladder.
B. Bacterial infection and inflammation of the renal parenchyma and renal pelvis.
C. Kidney stone obstruction.
D. Glomerular inflammation.
nmdcat.online BS Nursing
Jun 6, 2026

64. A patient with a history of multiple sclerosis (MS) experiences new episodes of numbness, tingling, weakness, and visual disturbances. What is the technical primary pathophysiological process occurring in MS?

A. Loss of dopaminergic neurons.
B. Demyelination of nerve fibers in the CNS.
C. Accumulation of amyloid plaques.
D. Peripheral nerve inflammation.
nmdcat.online BS Nursing
Jun 6, 2026

63. A patient with long-standing rheumatoid arthritis develops signs of cervical spine involvement. What is the critical clinical urgency associated with this complication?

A. Risk of joint pain.
B. Risk of spinal cord compression.
C. Risk of skin rash.
D. Risk of kidney stones.
nmdcat.online BS Nursing
Jun 6, 2026

62. A patient with acute coronary syndrome receives a statin. From a medicinal perspective, what is the technical pathophysiological mechanism of statins in cardiovascular disease?

A. Increases LDL cholesterol.
B. Inhibits HMG-CoA reductase, reducing cholesterol synthesis and stabilizing atherosclerotic plaques.
C. Increases triglyceride levels.
D. Directly dilates coronary arteries.
nmdcat.online BS Nursing
Jun 6, 2026

61. A patient with chronic gastritis is found to have Helicobacter pylori infection. What is the technical pathophysiological mechanism by which H. pylori contributes to peptic ulcer disease?

A. Direct invasion of gastric cells.
B. Production of urease, leading to ammonia formation and gastric mucosal damage, and inflammation.
C. Induction of autoimmune reaction.
D. Impaired gastric emptying.
nmdcat.online BS Nursing
Jun 6, 2026

60. A patient with acute onset of severe shortness of breath, bilateral crackles, and frothy pink sputum is diagnosed with acute pulmonary edema due to left-sided heart failure. What is the urgent clinical medicinal intervention required?

A. Oral diuretics and observation.
B. Immediate administration of IV diuretics and vasodilators to reduce preload and afterload.
C. Anticoagulants.
D. Oral antibiotics.
nmdcat.online BS Nursing
Jun 6, 2026

59. A patient with a history of HIV develops opportunistic infections and Kaposi’s sarcoma. What is the technical primary pathophysiological defect in HIV/AIDS?

A. Autoimmune reaction.
B. Progressive destruction of CD4+ T lymphocytes.
C. Hyperactivity of B lymphocytes.
D. Increased production of antibodies.
nmdcat.online BS Nursing
Jun 6, 2026
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