Search results for: 'alveolar and blood compartments'

Watch Later 2:01

By: Administrator, Views: 9629

How nurses check a patient's blood pressure. Blood Pressure The pressure exerted by the blood on the walls of the arteries. Higher (systolic) number: the pressure while the heart contracts. Lower (diastolic) number: the pressure when the heart relaxes between beats. Measured by a sphygmoma...

Watch Later 0:25

Stimulus (introduction)

By: HWC, Views: 6330

• Blood pressure determines the flow of blood to and from capillaries. • Low blood pressure results in reduced blood flow. • High blood pressure can cause blood vessels to break. In humans, sensitivity is due to portions of the nervous system called receptors. Receptors are typicall...

Watch Later 0:40

Erythropoietin (EPO)

By: HWC, Views: 6220

■ Secreted by kidney cells when blood oxygen is low. ■ Targets cells in red bone marrow that will become red blood cells. ■ Promotes increased numbers of mature red blood cells. ■ More mature red blood cells carry more oxygen so blood oxygen level is restored to normal.

Watch Later 4:26

Blood Test Basics

By: Administrator, Views: 9503

How blood tests are performed by a professional nurse.

Watch Later 2:06

Negative Feedback Regulation of Blood Pressure

By: HWC, Views: 6660

stimulus • Blood pressure determines the flow of blood to and from capillaries. • Low blood pressure results in reduced blood flow. • High blood pressure can cause blood vessels to break. Baroreceptors • The aortic arch carries blood to the body. • The common carotids ca...

Watch Later 2:35

Glucose Evaluation Procedure

By: Administrator, Views: 9871

Hb A1C Test Blood test used to: diagnose diabetes identify people at risk of developing diabetes monitor how well blood sugar levels are being controlled by the diabetic patient Fasting Blood Sugar (FBS) Test performed on blood to determine the level of sugar in the bloodstream. Also ref...

Watch Later 1:16

Structures that affect circulation - kidneys, blood volume and venous tone

By: HWC, Views: 6647

• Kidneys regulate blood volume and blood osmolarity via salt and water reabsorption. • Increased reabsorption increases blood volume and venous return (and CO). • Decreased reabsorption increases urine production, which decreases blood volume and venous return (and CO). • Systemi...

Watch Later 1:18

Heart Chambers

By: Administrator, Views: 9734

Circulation of blood through the chambers of the heart Septum divides heart into the right and left heart. Each side contains an upper and lower chamber: Atria, or upper chambers, receive blood. Ventricles, or lower chambers, pump blood. Valves control intake and outflow of blood in chamber...

Watch Later 0:42

Acid-base imbalances - compensation of metabolic acidosis and alkalosis

By: HWC, Views: 6944

1. Metabolic acidosis: • Few HC03- ions are present so blood pH becomes acidic. • Compensation is increased respiratory rate and more CO2 is removed from the blood. • Blood pH returns to normal. 2. Metabolic alkalosis: • Many HC03- ions are present so blood pH becomes alkaline...

Search Results