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What is the difference between arteriole and venule blood flow?
An arteriole transports oxygenated blood from the arteries to the capillary beds and a venule transports de-oxygenated blood from the capillary beds to the veins.
Which one of the following sets of structures correctly lists the sequence of blood flow in the human body?
atrium, ventricle, artery, arteriole, capillary, venule, vein
Where does the transition from an afferent arteriole to an efferent arteriole occur?
glomerulus. The afferent arteriole leads to a ball of capillaries called a glomerulus which is enclosed in a nephron structure called the glomerular capsule. Blood leaves the glomerulus by way of the efferent arteriole.
What decreases blood flow through arterioles?
Vasoconstriction of an arteriole increases resistance and results in decreased flow through that particular arteriole.
How does blood flow from capillary to venule?
By the process of diffusion.
How does arteriolar resistance affect blood pressure?
the constriction of the smooth muscles surrounding the arteriole closes the opening and reduces blood flow through the arteriole. With this reduced blood flow more blood is left in the artery
Trace the flow of blood through the nephron?
the flow of blood through the nephron is : enters through the afferent arteriole, then flows through the glomerulus and into the efferent arteriole. Blood then enters the peritubular capillaries and the vasa recta and then flows through the cortex and medulla of the kidneys close to the tubules Answer: so the flow is afferent arteriole, efferent arteriole, peritubular capillaries, vasa recta
What increases blood flow in capillaries the most?
arteriole vasodilation
What is the structure that drains blood from the glomerulus in the kidney?
The structure that drains blood from the glomerulus in the kidney is the efferent arteriole. This arteriole carries blood away from the glomerulus and plays a crucial role in regulating blood flow and pressure within the kidney.
An obstruction in the glomerulus would affect the flow of blood into the?
Efferent arteriole
An obstruction in the glomerulus would affect the flow of blood into what?
efferent arteriole
Explain how the blood vessels associated with the renal corpuscle help to maintain a relatively high blood pressure within the glomerulus?
The cluster of capillaries that forms a glomerulus arises from an afferent arteriole. After passing through the glomerular capillaries, blood (minus any filtered fluid) enters an efferent arteriole whose diameter is smaller than that of the afferent vessel. This is instead of entering a venule, the usual circulatory route. The efferent arteriole resists blood flow to some extent, which backs up blood into the glomerulus, increasing pressure in the glomerular capillary.
