40. In the TNM system, what does a designation of ‘M1’ indicate?

12. The sinoatrial (SA) node is described as the heart’s ‘internal pacemaker.’ Where is it located, and what is its primary function?

46. After birth, both the foramen ovale and ductus arteriosus normally close. What triggers these closures?

Section 12: Applied & Integrative Questions 55. A 58-year-old man with a history of hypertension, smoking, and high LDL develops crushing chest pain during exercise that is relieved within minutes of resting. This is most consistent with which condition?

65. A radiologist reviewing a mammogram describes a breast mass as having ‘clear margins, round shape, and no projections.’ The physician in the lecture suggests this appearance is consistent with which type of tumor?

[True / False] 54. True or False: Chemotherapy is typically more effective than surgery or radiation at treating local, non-metastatic tumors because it is a systemic treatment.

24. PKU is diagnosed shortly after birth and treated with dietary restriction. Which of the following foods/beverages requires a warning label for PKU patients because it contains phenylalanine?

2. The four nucleotide bases that make up DNA are:

22. Huntington’s disease is listed as an autosomal dominant disorder. This classification means that:

48. A key advantage of chemotherapy over radiation therapy for treating cancer is that chemotherapy: