,1. Which of the following is the primary mechanism behind the
development of atherosclerosis?
A. Autoimmune response
B. Hyperlipidemia
C. Genetic mutations
D. Endothelial cell injury
Correct Answer: D. Endothelial cell injury
Rationale: Atherosclerosis involves the injury to endothelial
cells, leading to inflammatory processes that contribute to plaque
formation.
2. What is the hallmark of diabetes mellitus type 1?
A. Insulin resistance
B. Autoimmune destruction of pancreatic beta cells
C. Excessive glucagon secretion
D. Peripheral neuropathy at onset
Correct Answer: B. Autoimmune destruction of pancreatic
beta cells
, Rationale: Type 1 diabetes is characterized by the
autoimmune destruction of the insulin-producing beta cells in the
pancreas.
3. In which of the following conditions would you most likely see
a decreased ejection fraction?
A. Hypertension
B. Aortic regurgitation
C. Myocardial infarction
D. Congestive heart failure
Correct Answer: C. Myocardial infarction
Rationale: Myocardial infarction can damage heart muscle,
leading to decreased contractility and ejection fraction.
4. Which electrolyte imbalance is commonly associated with
refeeding syndrome?
A. Hypercalcemia
B. Hyponatremia
C. Hypophosphatemia
D. Hyperkalemia
Correct Answer: C. Hypophosphatemia
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