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Heat or warmth and movement like lite excercise
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∙ 13y ago
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List five ways of encouraging veins to dilate?
Position the patient's arm lower than his/her heart. Reapply the tourniquet; it may not be tight enough Massage the arm from the wrist to the elbow to encourage venous return Tap sharply at the venipuncture site with your fingertips. This can cause the veins to dilate. Use a blood pressure cuff in place of the tourniquet. Pump it to about 40-60 mm Hg.
Why do veins dilate?
Veins contract and expand in response to blood pressure.
Why does the veins constrict and dilate during exercise?
Almost all the veins and arteries constrict and dilate during heavy exercise. Even capillaries bring a flush to the face and skin by dilation.
Why are females at greater risk of varicose veins than males?
It is thought that female sex hormones contribute to the development of varicose veins by making the veins dilate more easily.
What disorder leads to the formation of spider veins?
The blood pressure in the superficial veins is usually low, but if it rises and remains at a higher level over a period of time, the valves in the veins begin to fail and the veins dilate, or expand
Why do varicose veins itch?
Varicose veins are filled with an abnormal amount of blood. Nerve irritation is what causes them to itch. They press against adjacent nerves as they dilate.
Ways of encouraging people?
Well there's tons of ways of encouraging people, but it mainly depends on the situation in which you're encouraging a person in on how I can answer that:/ sorry. But mainly just telling them to keep positive in a situation is a start for anything
Why has a vein come up in your palm and is tender?
Veins come up everywhere in your body. They are normally more visible when the vein has dilated. When your veins dilate your Blood pressure drops and heat loss increases.
Why can veins develop problems?
Veins are more likely than arteries to expand or dilate if blood volume or pressure increases, because they consist of only one layer of tissue; this is in contrast to arteries, in which there are three layers.
Do fish have veins?
no they dont have veins Yes, fish have veins. Fish have blood an veins are the necessary ways for all living beings to have their blood circulated throughout their body.
What is the scientific word for dilate?
dilate
What is the different between viens and arteries?
Veins take blood to the heart, while arteries take blood away from the heart. Also, veins have valves that don't allow backflow because their wall contains almost no smooth muscle to pump the blood - they cannot constrict and dilate on their own. Veins rely on the body's muscular movement to move the blood contained in them. Arteries, however, can constrict or dilate to diver blood flow to different parts of the body and to keep blood pressure relatively constant. They have a large smooth muscle component in their walls.
