What physiological response can be triggered by stress?

• A. Decreased respiratory rate
• B. Increased blood pressure
• C. Normalized heart rate
• D. Reduced alertness

Answer: (B)

The physiological response triggered by stress that is reflected in the correct choice is increased blood pressure. When a person experiences stress, the body's "fight or flight" response is activated, primarily mediated by the autonomic nervous system and the release of stress hormones such as adrenaline and cortisol.

This response leads to various changes in the body, one of which is the constriction of blood vessels and increased cardiac output, resulting in elevated blood pressure. This elevation prepares the body to handle potential threats by ensuring that more oxygen and nutrients are delivered to essential organs and muscles, enhancing physical readiness.

Understanding this response is crucial in recognizing how chronic stress can lead to long-term health issues, such as hypertension, which is why monitoring blood pressure in stressful situations is significant in the assessment of cardiovascular health.