1. A 45-year-old male presents with a persistent cough and unexplained weight loss. Which of the following should be considered in the differential diagnosis? A. Asthma B. Tuberculosis C. Gastroesophageal reflux disease Correct Answer: B. Tuberculosis Rationale: Given the symptoms of a persistent cough and unexplained weight loss, tuberculosis (TB) should be considered, especially if the patient has risk factors such as a history of exposure or immunocompromised status. Asthma typically presents with episodic wheezing and is less likely to cause weight loss. Gastroesophageal reflux disease may cause a cough but is not associated with weight loss. 2. A 55-year-old female with a family history of breast cancer is due for a screening. What is the most appropriate next step? A. Order a mammogram. B. Perform a clinical breast exam. C. Recommend genetic counseling. Correct Answer: A. Order a