Question: What Is The Relationship Between Blood Viscosity And Blood Pressure?

What is the most significant source of blood flow resistance?

A resistance artery is small diameter blood vessel in the microcirculation that contributes significantly to the creation of the resistance to flow and regulation of blood flow.

Resistance arteries are usually arterioles or end-points of arteries..

What foods make your blood pressure go up?

What foods are high in sodium?Processed foods such as lunch meats, sausage, bacon, and ham.Canned soups, bouillon, dried soup mixes.Deli meats.Condiments (catsup, soy sauce, salad dressings).Frozen and boxed mixes for potatoes, rice, and pasta.Snack foods (pretzels, popcorn, peanuts, chips).More items…•

What is the relationship between blood viscosity and blood pressure quizlet?

When there’s more viscous in the blood , the greater the resistance it encounters and the higher blood pressure. (Increased hematocrit increases blood viscosity and there for increases resistance to flow.)

How does blood viscosity affect blood pressure?

According to Poiseuille’s equation, a 25% increase in viscosity results in a 20% decrease in blood flow rate. For the physiological compensation of this ischemic state, a 25% increase in BP or a 5.7% vasodilatation was required.

What are 3 internal factors that can alter a person’s blood pressure?

The three factors that contribute to blood pressure are resistance, blood viscosity, and blood vessel diameter. Resistance in peripheral circulation is used as a measure of this factor. The longer the vessel, the greater the resistance.

Which of the following is directly proportional to blood flow?

The viscosity of blood is directly proportional to resistance and inversely proportional to flow; therefore, any condition that causes viscosity to increase will also increase resistance and decrease flow.

What two factors affect BP?

Blood pressure increases with increased cardiac output, peripheral vascular resistance, volume of blood, viscosity of blood and rigidity of vessel walls. Blood pressure decreases with decreased cardiac output, peripheral vascular resistance, volume of blood, viscosity of blood and elasticity of vessel walls.

How fast can BP change?

Most healthy individuals have variations in their blood pressure — from minute to minute and hour to hour. These fluctuations generally happen within a normal range.

What is the relationship between blood pressure and blood flow?

Pressure is a measure of the force that the blood exerts against the vessel walls as it moves the blood through the vessels. Like all fluids, blood flows from a high pressure area to a region with lower pressure. Blood flows in the same direction as the decreasing pressure gradient: arteries to capillaries to veins.

What does high viscosity in blood mean?

Elevated blood viscosity is the result of either red blood cell shape deformity or a pathological increase in serum proteins, red blood cells (RBC), white blood cells (WBC), or platelets.

What is the normal stage of BP?

Blood pressure readings are expressed in millimeters of mercury. This unit is abbreviated as mm Hg. A normal reading would be any blood pressure below 120/80 mm Hg and above 90/60 mm Hg in an adult. If you’re in the normal range, no medical intervention is needed.

It is clear that the higher the pressure exerted by the heart, the faster blood will flow. Thus, we have an inverse relationship between blood vessel resistance and the blood flow rate – the higher the resistance, the slower the flow rate. …