Exam (elaborations)
Bsnc 1000 - Perfusion With Complete Solutions
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Bsnc 1000 - Perfusion With Complete Solutions
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Solution 2024/2025Pepper
Bsnc 1000 - Perfusion With Complete Solutions
Radius ANS✔✔ Biggest affect on blood flow through a vessel
Activation of Sympathetic NS ANS✔✔ - Decreases vessel diameter
- Increases CO
- Increases TPR
Perfusion ANS✔✔ The supply of oxygen to and removal of wastes from the cells and tissues of the body as a result of
the flow of blood through the capillaries.
Arterial System ANS✔✔ Distributes blood and regulates pressure
Capillary beds ANS✔✔ Transfer of materials between circulation and tissues
Venous System ANS✔✔ Returns blood to heart volume reservoir
Scope of Perfusion ANS✔✔ Optimal - Impaired - No Perfusion
Ischemia (cell injury) ANS✔✔ Impaired perfusion
Infarction (cell death) ANS✔✔ No Perfusion
Blood Pressure ANS✔✔ Force of blood against the walls of blood vessels
, Solution 2024/2025
Pepper
Systolic Pressure ANS✔✔ BP during systole
- ventricles contract
Diastolic Pressure ANS✔✔ BP during diastole
- ventricles relax
Pulse Pressure ANS✔✔ Systole - Diastole (normal = 40-45 mmHg)
MAP = ANS✔✔ CO x TPR
MAP ≈ ANS✔✔ Diastolic Pressure - 1/3(Partial Pressure)
Blood Volume Influenced By: ANS✔✔ -sodium ingestion and excretion
-renin/aldosterone
Vasoconstriction Influenced By: ANS✔✔ - Autonomic NS
- Kidney renin/angiotensin
- Adrenal medulla hormones
Cardiac Output Influenced By: ANS✔✔ - BPM
- Volume of blood
Peripheral Resistance Influenced By: ANS✔✔ - Vasoconstriction
- Vasodilation
- Local Factors (pH, hypoxia)
- Sympathetic stimulation of smooth muscle of vessel walls
- Blood viscosity
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