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titty sprinkles
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∙ 10y ago
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Would vasoconstriction of the renal arteries decrease blood flow to the kidneys?
Yes. If you constrict the afferent arteriole then renal blood flow will decrease.
Does blood flow more when you are taking prescibed medications?
Some medications increase blood flow, like inotropics. Others, like vasoconstrictors, may decrease blood flow.
What is the definition of the decrease in the amount of blood flow to a section of the heart?
infarction
Does exercise increase or decrease the flow of the blood in muscle capillaries?
Increase
Would skeletal muscles experience a decreased blood flow during exercise?
I could be wrong but, I think it would decrease your blood flow
Is dermal blood supply part temperature regulation?
Yes. The body can increase blood flow to the dermis where heat will be lost or it will decrease flow to conserve heat.
How can the vascular system increase blood flow to specific area of the body?
Except in cases of massive blood loss, it's not the job of the vessels to increase or decrease blood flow, but of the capillary beds.
What stimulus in local autoregulation of blood flow?
nitric oxide
Would an obstruction in the superior vena cava decrease the flow of blood from the head and neck to the heart?
yes
How is coronary blood flow regulated?
Coronary blood flow is regulated by local metabolic factors. Adenosine, nitric oxide, and decreased oxygen all act as vasodilators which improve blood flow in coronary circulation.
What releases when the sympathetic nervous system responds to a decrease in glomerular filtration rate?
Increased sympathetic activity causes the afferent arterioles of the renal glomerulus to constrict, thereby reducing blood flow into the glomerulus. Because a decrease in blood flow reduces blood pressure in the glomerulus, which is the driving force for filtration, GFR decreases.
How does our body respond to the blood volume decrease?
Several things happen; lower blood pressure, increased heart rate and decreased blood flow to the fingers and toes.
