HES 300 - Blood Pressure Renal Function
Exam Questions and Answers with Verified
Solutions | Latest Updated 2026
MAP = CO x TPR Mean arterial pressure = cardiac output x
total
peripheral resistance
What percentage of cardiac output 20%
do kidneys receive?
What are nephrons? Units at kidneys where blood plasma is
filtered.
Good material returns to the blood, waste
leave as
urine, and moves to the bladder via ureters
How many nephrons are there About 1 million.
approximately per kidney?
Ureters The tubes that carry urine from the kidneys
to the
bladder.
Filtration General filtration of solutes and blood
plasma from
the blood
, Reasorption Water and other substances are
reabsorbed
straight into blood
Secretion a process by which substances are
produced and
discharged from a cell, gland, or organ for
a
particular function in the organism or for
excretion.
Excretion Water reabsorption, other filtrate moves to
the
bladder and be excreted from the body
Renin-Angiotensin-Aldosterone Hormonal system regulating blood
System (RAAS) pressure and
fluid balance.
What are juxtaglomerular cells? The cells of the afferent artery at the
juxtaglomerular apparatus.
What is the function of They are baroreceptors that secrete renin
juxtaglomerular cells? upon
sensing a decrease in blood pressure.
Under what conditions do JG cells A drop in renal blood flow, low levels of
release renin into the blood? sodium,
activation of the sympathetic nervous
system.
Exam Questions and Answers with Verified
Solutions | Latest Updated 2026
MAP = CO x TPR Mean arterial pressure = cardiac output x
total
peripheral resistance
What percentage of cardiac output 20%
do kidneys receive?
What are nephrons? Units at kidneys where blood plasma is
filtered.
Good material returns to the blood, waste
leave as
urine, and moves to the bladder via ureters
How many nephrons are there About 1 million.
approximately per kidney?
Ureters The tubes that carry urine from the kidneys
to the
bladder.
Filtration General filtration of solutes and blood
plasma from
the blood
, Reasorption Water and other substances are
reabsorbed
straight into blood
Secretion a process by which substances are
produced and
discharged from a cell, gland, or organ for
a
particular function in the organism or for
excretion.
Excretion Water reabsorption, other filtrate moves to
the
bladder and be excreted from the body
Renin-Angiotensin-Aldosterone Hormonal system regulating blood
System (RAAS) pressure and
fluid balance.
What are juxtaglomerular cells? The cells of the afferent artery at the
juxtaglomerular apparatus.
What is the function of They are baroreceptors that secrete renin
juxtaglomerular cells? upon
sensing a decrease in blood pressure.
Under what conditions do JG cells A drop in renal blood flow, low levels of
release renin into the blood? sodium,
activation of the sympathetic nervous
system.
