PhysioEx 9 Questions

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What are the two main parts of the nephron?

Renal corpuscle and renal tubule

Which of the following describes the order in which blood flows through the nephron?

Afferent arteriole, glomerulus, efferent arteriole

Which of the following is NOT a function of the kidneys?

Exchange of oxygen and carbon dioxide with the tissues

Which of the following should NOT be found in the filtrate in the Bowman’s capsule?

White blood cells

Which structures form the filtration membrane in the nephron?

Glomerulus and the glomerular capsule

Which of the following resulted in an increase in glomerular filtration rate?

Decreasing the efferent arteriole diameter and increasing the afferent arteriole diameter

Which of the following resulted in a decrease in glomerular capillary pressure?

Increasing the efferent arteriole diameter and decreasing the afferent arteriole diameter

Which is the normal range for glomerular filtration rate?

80-140 mL/min

What is(are) the driving force(s) for filtration in the nephron?

Hydrostatic pressure gradients and osmotic pressure gradients

The functions of the nephron include all of the following EXCEPT:

Glomerular secretion

In this activity, we will explore the effect of _____.

Blood pressure on glomerular filtration rate

What is the name for the "ball" of capillaries found in the renal corpuscle?


As the pressure in the beaker increased, which of the following occurred?

Glomerular filtrate rate increased, and urine volume increased

The pressure in the left source beaker simulates _____.

Blood pressure

With the valve between the collecting duct and urinary bladder closed, _____.

Urine volume was zero

With the valve between the collecting duct and the urinary bladder closed and with the pressure increased, ______.

The glomerular filtration rate increased and the glomerular pressure increased

Altering the radii of the afferent and efferent arterioles provides for

Glomerular filtration rate homeostasis and glomerular hydrostatic pressure homeostasis

Because the alteration of the afferent or efferent arteriole occurs within the nephron, we refer to this mechanism as _____.


Which of the following would decrease glomerular filtration rate?

Increasing the efferent arteriole radius and/or decreasing the afferent arteriole radius

In this activity, the drain beaker (second beaker in the flow) simulates the _____.

Renal vein

When the beaker pressure was lowered, which of the following decreased?

Glomerular pressure, glomerular filtration rate and urine volume

When beaker pressure was lowered, which of the following decreased?

Glomerular pressure, glomerular filtration rate and urine volume

When blood pressure increases, what changes can occur to maintain glomerular filtration rate?

Constriction of the afferent arteriole and dilation of the efferent arteriole

When the efferent arteriole constricts, ______.

The back pressure in the Bowman’s capsule increases

Interstitial fluid is located in the _____.

Spaces surrounding the kidney tubule

Secretion of ADH would _______.

Decrease urine output

The reabsorption of water and solutes _____.

Is passive, depends on concentration gradients and is into the peritubular capillaries

When ADH is present in the filtrate, _______.

Urine concentration increases

What happened to the urine volume when the solute gradient in the interstitial space was increased?

The urine concentration increased

What will happen to the urine volume if ADH is NOT added to the collecting duct?

The urine volume will increase

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