Exam (elaborations)
1. **Q: What is the primary pacemaker of the heart?** - A: Sinoatrial (SA) node. 2. **Q: In a myocardial infarction, which cardiac marker is the most specific and rises earliest?** - A: Troponin I. 3. **Q: Which vessel is most commonly involved in
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1. **Q: Which respiratory condition is characterized by irreversible airflow limitation, often caused by smoking?** - A: Chronic obstructive pulmonary disease (COPD). 2. **Q: What is the primary function of type II pneumocytes in the alveoli?** - A: Production of surfactant. 3. **Q: I...
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