Correct Answer: A

Rationale: Ocrelizumab is the drug of choice for progressive multiple sclerosis due to its efficacy in reducing disease activity and progression in patients with this form of the disease. Dimethyl fumarate, Teriflunomide, and Fluoroquinolones are not typically used as first-line treatments for progressive MS.

Correct Answer: B

Rationale: A primary role of nurses in promoting community health involves advocating for health policy changes. By advocating for policy changes, nurses can address systemic issues that impact the health of the community as a whole, rather than focusing solely on individual assessments or education. This proactive approach allows nurses to influence broader health determinants and create sustainable improvements in community health outcomes.

Correct Answer: B

Rationale: Health advocacy involves advocating for policies that positively impact health care access for all individuals. By working to change policies, a person promotes equitable access to necessary care and resources, which aligns with the principles of health advocacy.

Correct Answer: B

Rationale: Socioeconomic status plays a crucial role in determining health outcomes as it impacts access to resources, education, living conditions, and healthcare services. Individuals with higher socioeconomic status generally have better health outcomes due to easier access to quality healthcare, healthier living environments, and resources to make healthier lifestyle choices.

Correct Answer: D

Rationale: The aorta is not a vein; it is the main artery in the body that carries oxygenated blood from the heart to the rest of the body. In parenteral cannulation, major veins like the basilic vein, femoral vein, and subclavian vein are typically used for access. Therefore, the correct answer is the aorta, as it is an artery and not a vein used for cannulation.