Sudden vasodilation
Negative feedback mechanisms
Increase
Increase
Blood pressure.
It should increase high blood pressure
During exercise, the normal blood pressure response is an increase in both systolic and diastolic blood pressure. This is a natural response to the body's increased demand for oxygen and nutrients during physical activity.
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During exercise, the typical response of systolic blood pressure is to increase. This is because the heart pumps harder and faster to supply more oxygen and nutrients to the muscles.
Increased intracranial pressure can lead to changes in blood pressure due to the body's compensatory mechanisms. Typically, there is an initial increase in blood pressure in response to increased intracranial pressure to maintain cerebral perfusion. However, as intracranial pressure continues to rise, blood pressure may decrease due to impaired cerebral autoregulation and compromised blood flow to the brain. Overall, the relationship between intracranial pressure and blood pressure is complex and can vary depending on individual factors and the underlying cause of increased intracranial pressure.
Short-term mechanisms for regulating blood pressure include regulating blood volume, heart rate, and peripheral resistance. These mechanisms help to maintain balance and ensure adequate blood flow throughout the body in response to changes in activity or stress.
Baroreceptors are the control mechanisms that detect changes in blood pressure and help regulate it. When there is a rapid rise in blood pressure, baroreceptors signal the body to lower blood pressure by dilating blood vessels and reducing the heart rate.
Anticipatory rise occurs just before exercise, this is due to a hormonal response causing adrenaline to increase. This would increase heart rate and blood pressure causing more oxygen to working muscles, having a positive and effective response on performance.