Headaches That Begin with an Aura Lasting 20 to 40

question 13

Multiple Choice

Headaches that begin with an aura lasting 20 to 40 minutes are usually classified as _____ headaches.

• A) muscle-contraction
• B) common migraine
• C) classic migraine
• D) cluster

---

Definitions:

Goods and Services

Goods and services constitute the fundamental outputs of economic activity, with goods being tangible products and services being intangible activities or benefits provided to consumers.

Cultural Variable

An element of culture, such as norms, values, or practices, that can vary significantly across societies or among groups within a society.

Ethical Guidance

Advice or direction provided to ensure behavior and decisions conform to accepted moral principles and standards.

Business Practices

Business practices are the methods, techniques, and strategies adopted by companies to conduct their business, ranging from operations and marketing to management and ethics.