Back to AI Flashcard MakerAnatomy and Physiology /Cardiovascular System Part 5
Cardiovascular System Part 5
This deck covers key concepts related to the cardiovascular system, focusing on hepatic portal circulation, vital signs, blood pressure, and factors affecting blood pressure.
Hepatic Portal Circulation
Drains the digestive organs, spleen, and pancreas and deliver this blood to the liver through the hepatic portal vein
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Key Terms
Term
Definition
Hepatic Portal Circulation
Drains the digestive organs, spleen, and pancreas and deliver this blood to the liver through the hepatic portal vein
Which portal has a unique and unusual circulation
Hepatic Portal Circulation
Vital Signs
Arterial Pulse and Blood Pressure and Respiratory Rate
Pulse
A pressure wave that occurs with each beat of the left ventricle
What is the pulse average beats per minute?
70-75
Pressure Points
Points at the body surface where the pulse may be felt
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| Term | Definition |
|---|---|
Hepatic Portal Circulation | Drains the digestive organs, spleen, and pancreas and deliver this blood to the liver through the hepatic portal vein |
Which portal has a unique and unusual circulation | Hepatic Portal Circulation |
Vital Signs | Arterial Pulse and Blood Pressure and Respiratory Rate |
Pulse | A pressure wave that occurs with each beat of the left ventricle |
What is the pulse average beats per minute? | 70-75 |
Pressure Points | Points at the body surface where the pulse may be felt |
Blood Pressure | The pressure the blood exerts against the inner walls of the blood vessels, it is the only force that keeps blood circulating continuously even between heartbeats |
Arterial Pulse | Pressure wave of blood that can only be felt in the arteries. |
Systolic Pressure | The pressure in the arteries at the peak of ventricular contraction |
Diastolic Pressure | The pressure when the ventricles are relaxing. |
How is blood pressure measured? | Millimeters of mercury (mm/Hg) |
Peripheral Resistance | The amount of friction the blood encounters as it flows through the blood vessels |
Vasocontriction | Narrowing of the blood, the major action of the sympathetic nervous system |
What major role do the kidneys play in the cardiovascular system? | Regulate blood pressure by altering blood volume |
What are the 5 effects on blood pressure? | 1. Neural Factors: Autonomic Nervous System, 2. Renal Factors:Kidneys,. 3. Temperature, 4. Chemicals, 5. Diet |
How does temperature affect blood pressure? | Cold has a vasoconstricting effect while heat has a vasodilating effect |
How does chemicals effect blood pressure? | Drugs, Alcohol, Nicotine can increase blood pressure causing vasocontriction |
How does diet effect blood pressure? | Foods low in salt and sodium can help to prevent hypertention |
What is the normal systolic blood pressure? | 110-140 mm Hg |
What is the normal diastolic blood pressure | 70-80 mm Hg |
Hypotension | Low blood pressure with a systolic below 100 mm Hg |
Orthostatic Hypotension | Temporary Low Pressure from suddenly changing positions |
Hypertension | High Blood Pressure that is 140/90 of higher |
What is the percentage of people with primary or essential hypertension? | 90% |