Pathophysiology Exam 2
Which of the following is the most common cause of myocardial infarction?
A) Pulmonary embolism
B) Atherosclerosis
C) Hypertension
D) Diabetes mellitus
Answer: B) Atherosclerosis
What is the primary function of the renin-angiotensin-aldosterone system (RAAS)?
A) Regulation of blood glucose levels
B) Regulation of blood pressure and fluid balance
C) Regulation of body temperature
D) Regulation of respiratory rate
Answer: B) Regulation of blood pressure and fluid balance
Which type of hypersensitivity reaction is associated with an immediate allergic
reaction, such as anaphylaxis?
A) Type I hypersensitivity
B) Type II hypersensitivity
C) Type III hypersensitivity
D) Type IV hypersensitivity
Answer: A) Type I hypersensitivity
,Which of the following conditions is characterized by the destruction of the myelin
sheath in the central nervous system?
A) Myasthenia gravis
B) Amyotrophic lateral sclerosis (ALS)
C) Multiple sclerosis (MS)
D) Guillain-Barré syndrome
Answer: C) Multiple sclerosis (MS)
What is the most common cause of chronic kidney disease (CKD)?
A) Urinary tract infections
B) Polycystic kidney disease
C) Diabetes mellitus
D) Acute glomerulonephritis
Answer: C) Diabetes mellitus
Which of the following statements about asthma is true?
A) It is characterized by chronic inflammation of the airways
B) It is primarily caused by bacterial infections
C) It is not influenced by environmental factors
D) It is only diagnosed in childhood
Answer: A) It is characterized by chronic inflammation of the airways
Which hormone is responsible for increasing blood glucose levels by promoting
gluconeogenesis and glycogenolysis in the liver?
A) Insulin
,B) Glucagon
C) Cortisol
D) Aldosterone
Answer: B) Glucagon
What is the hallmark sign of acute pancreatitis?
A) Severe, sudden onset of abdominal pain
B) Gradual weight loss
C) Chronic fatigue
D) Frequent urination
Answer: A) Severe, sudden onset of abdominal pain
In which condition is there a genetic mutation resulting in the abnormal production
of hemoglobin, leading to red blood cell sickling?
A) Thalassemia
B) Hemophilia
C) Sickle cell anemia
D) Pernicious anemia
Answer: C) Sickle cell anemia
Which type of shock is characterized by widespread vasodilation and decreased
systemic vascular resistance?
A) Cardiogenic shock
B) Hypovolemic shock
C) Anaphylactic shock
D) Neurogenic shock
, Answer: D) Neurogenic shock
Which of the following conditions is characterized by hypersecretion of cortisol?
A) Addison's disease
B) Cushing's syndrome
C) Graves' disease
D) Hashimoto's thyroiditis
Answer: B) Cushing's syndrome
Which of the following is a common cause of peptic ulcer disease?
A) Helicobacter pylori infection
B) High-fiber diet
C) Regular physical exercise
D) Excessive hydration
Answer: A) Helicobacter pylori infection
What is the primary cause of symptoms in patients with chronic obstructive
pulmonary disease (COPD)?
A) Airway inflammation and bronchoconstriction
B) Acute respiratory infections
C) Pulmonary embolism
D) Lung cancer
Answer: A) Airway inflammation and bronchoconstriction
Which electrolyte imbalance is most likely to occur in a patient with severe diarrhea?
Which of the following is the most common cause of myocardial infarction?
A) Pulmonary embolism
B) Atherosclerosis
C) Hypertension
D) Diabetes mellitus
Answer: B) Atherosclerosis
What is the primary function of the renin-angiotensin-aldosterone system (RAAS)?
A) Regulation of blood glucose levels
B) Regulation of blood pressure and fluid balance
C) Regulation of body temperature
D) Regulation of respiratory rate
Answer: B) Regulation of blood pressure and fluid balance
Which type of hypersensitivity reaction is associated with an immediate allergic
reaction, such as anaphylaxis?
A) Type I hypersensitivity
B) Type II hypersensitivity
C) Type III hypersensitivity
D) Type IV hypersensitivity
Answer: A) Type I hypersensitivity
,Which of the following conditions is characterized by the destruction of the myelin
sheath in the central nervous system?
A) Myasthenia gravis
B) Amyotrophic lateral sclerosis (ALS)
C) Multiple sclerosis (MS)
D) Guillain-Barré syndrome
Answer: C) Multiple sclerosis (MS)
What is the most common cause of chronic kidney disease (CKD)?
A) Urinary tract infections
B) Polycystic kidney disease
C) Diabetes mellitus
D) Acute glomerulonephritis
Answer: C) Diabetes mellitus
Which of the following statements about asthma is true?
A) It is characterized by chronic inflammation of the airways
B) It is primarily caused by bacterial infections
C) It is not influenced by environmental factors
D) It is only diagnosed in childhood
Answer: A) It is characterized by chronic inflammation of the airways
Which hormone is responsible for increasing blood glucose levels by promoting
gluconeogenesis and glycogenolysis in the liver?
A) Insulin
,B) Glucagon
C) Cortisol
D) Aldosterone
Answer: B) Glucagon
What is the hallmark sign of acute pancreatitis?
A) Severe, sudden onset of abdominal pain
B) Gradual weight loss
C) Chronic fatigue
D) Frequent urination
Answer: A) Severe, sudden onset of abdominal pain
In which condition is there a genetic mutation resulting in the abnormal production
of hemoglobin, leading to red blood cell sickling?
A) Thalassemia
B) Hemophilia
C) Sickle cell anemia
D) Pernicious anemia
Answer: C) Sickle cell anemia
Which type of shock is characterized by widespread vasodilation and decreased
systemic vascular resistance?
A) Cardiogenic shock
B) Hypovolemic shock
C) Anaphylactic shock
D) Neurogenic shock
, Answer: D) Neurogenic shock
Which of the following conditions is characterized by hypersecretion of cortisol?
A) Addison's disease
B) Cushing's syndrome
C) Graves' disease
D) Hashimoto's thyroiditis
Answer: B) Cushing's syndrome
Which of the following is a common cause of peptic ulcer disease?
A) Helicobacter pylori infection
B) High-fiber diet
C) Regular physical exercise
D) Excessive hydration
Answer: A) Helicobacter pylori infection
What is the primary cause of symptoms in patients with chronic obstructive
pulmonary disease (COPD)?
A) Airway inflammation and bronchoconstriction
B) Acute respiratory infections
C) Pulmonary embolism
D) Lung cancer
Answer: A) Airway inflammation and bronchoconstriction
Which electrolyte imbalance is most likely to occur in a patient with severe diarrhea?
