Final answer:
Lower socioeconomic groups in a prenatal clinic setting are primarily concerned with meeting immediate health needs due to limited resources and access to care, making preventive healthcare a lesser priority.
Step-by-step explanation:
The nurse practicing in a prenatal clinic would understand that a major concern of lower socioeconomic groups is to meet health needs as they occur. This population often struggles with immediate issues such as providing day-to-day necessities and may not have the resources or the education required for practicing preventive health care. Limited financial capabilities mean they are less likely to have regular access to health care, making it a challenge to prioritize preventive measures which could lead to better health outcomes in the long term. Therefore, acute health concerns take precedence, and long-term health plans may frequently be overshadowed by the urgency of immediate needs.