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Final Exam: NUR2063 / NUR 2063 (Latest 2024 / 2025 Update) Essentials of Pathophysiology | Review Guide Questions and Verified Answers | 100% Correct | Grade A - Rasmussen (successus) $15.99
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Final Exam: NUR2063 / NUR 2063 (Latest 2024 / 2025 Update) Essentials of Pathophysiology | Review Guide Questions and Verified Answers | 100% Correct | Grade A - Rasmussen (successus)

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Final Exam: NUR2063 / NUR 2063 (Latest 2024 / 2025 Update) Essentials of Pathophysiology | Review Guide Questions and Verified Answers | 100% Correct | Grade A - Rasmussen (successus)

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  • December 21, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Pathophysiology
  • Pathophysiology
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1. Which of the following is a characteristic finding in the pathophysiology of asthma?

A) Decreased airway resistance
B) Decreased mucus production
C) Bronchoconstriction and inflammation
D) Impaired gas exchange in the alveoli

Answer: C) Bronchoconstriction and inflammation
Rationale: Asthma involves chronic inflammation of the airways, bronchoconstriction, and excessive
mucus production. This leads to airway narrowing and difficulty breathing. The other options do not
reflect the primary pathophysiological features of asthma.



2. Which of the following best describes the pathophysiological mechanism of myocardial infarction
(MI)?

A) Decreased perfusion of myocardial tissue due to coronary artery blockage
B) Excessive blood flow to the myocardium causing rupture
C) Increased oxygen supply leading to tissue damage
D) Viral infection of the heart muscle

Answer: A) Decreased perfusion of myocardial tissue due to coronary artery blockage
Rationale: Myocardial infarction occurs when a coronary artery becomes blocked, leading to reduced
blood flow and oxygen delivery to the heart muscle, resulting in tissue death. The other options do not
accurately describe the process of MI.



3. In the context of liver cirrhosis, what is the pathophysiological cause of ascites?

A) Increased production of albumin by the liver
B) Increased capillary permeability and portal hypertension
C) Decreased glomerular filtration rate in the kidneys
D) Increased blood flow to the kidneys

Answer: B) Increased capillary permeability and portal hypertension
Rationale: In cirrhosis, liver damage leads to portal hypertension, which increases capillary pressure,
causing fluid leakage into the peritoneal cavity and resulting in ascites. The other options do not
contribute to the development of ascites in cirrhosis.



4. Which of the following is a common pathophysiological feature of chronic obstructive pulmonary
disease (COPD)?

A) Hyperinflation of the lungs
B) Thickening of the alveolar walls
C) Pulmonary fibrosis leading to decreased lung compliance
D) Increased airway resistance due to smooth muscle contraction

, Answer: A) Hyperinflation of the lungs
Rationale: In COPD, airflow obstruction and reduced expiratory flow lead to hyperinflation of the lungs.
This is due to airway remodeling and loss of elastic recoil, which results in air trapping. The other options
describe pathophysiological features more related to other lung diseases.



5. What is the primary pathophysiological process in type 1 diabetes mellitus?

A) Insulin resistance in peripheral tissues
B) Destruction of pancreatic beta cells
C) Impaired glucose uptake by skeletal muscle
D) Overproduction of glucagon

Answer: B) Destruction of pancreatic beta cells
Rationale: Type 1 diabetes is an autoimmune disorder where the immune system destroys the insulin-
producing beta cells of the pancreas, leading to insulin deficiency. This contrasts with type 2 diabetes,
which is primarily characterized by insulin resistance.



6. In the pathophysiology of stroke, what is the primary mechanism of neuronal injury?

A) Hypoxia and ischemia leading to cellular death
B) Excessive blood flow to the brain
C) Viral infection of the brain tissue
D) Inflammatory mediators causing axonal damage

Answer: A) Hypoxia and ischemia leading to cellular death
Rationale: Stroke typically results from a blockage or rupture of a blood vessel in the brain, leading to a
reduction in blood supply, hypoxia, and ischemia. This lack of oxygen causes neuronal injury and cell
death.



7. Which of the following best explains the pathophysiology of the "water hammer" pulse seen in
aortic regurgitation?

A) Increased blood volume due to backflow into the left ventricle
B) Rapid ejection of blood from the left ventricle into the aorta
C) Rapid upstroke and downstroke of the arterial pulse due to blood regurgitating into the left ventricle
D) Increased systemic vascular resistance causing delayed systolic ejection

Answer: C) Rapid upstroke and downstroke of the arterial pulse due to blood regurgitating into the left
ventricle
Rationale: In aortic regurgitation, blood flows back into the left ventricle during diastole, which causes a
rapid increase in pressure followed by a sharp decrease, producing the characteristic "water hammer"
pulse.

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