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Would vasoconstriction decrease peripheral resistance?
No, vasoconstriction would increase peripheral resistance. When blood vessels constrict, the diameter of the blood vessels becomes smaller, which increases resistance to blood flow. This can lead to an increase in blood pressure.
Which the following would decrease peripheral resistance to blood flow?
Peripheral resistance to blood flow can be decreased by factors such as vasodilation, which involves the widening of blood vessels. This can occur due to the relaxation of smooth muscle in the vessel walls, often influenced by factors like increased nitric oxide production, lower sympathetic nervous system activity, or the administration of certain medications (e.g., vasodilators). Additionally, a decrease in blood viscosity or an increase in blood vessel diameter can also contribute to reduced peripheral resistance.
What causes peripheral resistance?
Peripheral resistance is the force against blood flow. In most cases, an increase in peripheral resistance would be caused by an increase in vasoconstriction, which would decrease blood flow. Other factors can influence vasoconstriction, such as circulating angiotensin II levels, cortisol levels, drugs such as cocaine and other adrenergic agonists, blood volume, atherosclerosis, emboli, renal diseases and increased intra-cranial pressure. An increase in blood pressure will also be caused by vasoconstriction and the mentioned factors.
Would decreased airway resistance make it difficult for a person to exhale?
Yes
What would you expect to see in elevated numbers in a peripheral blood sample after donating a pint of blood?
erythrocytes
Whats the function of valves in the peripheral veins?
Valves in the peripheral veins prevent blood from backflow during the off beat of the heart. If not for the valves, the flow of blood would tend to pool at the extremities.
Autonomic tone of peripheral blood vessels would be greatest when?
When sympathetic stimulation is increased.
What would you expect to see in increased numbers in a peripheral blood sample after donating a unit of blood?
reticulocytes by jawed akbari
Would your skin experience a decreased blood flow during exercise?
no
Which of the following factors would increase the amount of oxygen discharged by hemoglobin to peripheral tissues?
decreased pH, increased temperature or increased levels of CO2
What would experience a decreased blood flow during exercise?
no it actually stimulates blood flow
Would skeletal muscles experience a decreased blood flow during exercise?
I could be wrong but, I think it would decrease your blood flow
