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Exam (elaborations)

Strasinger Chapter III Practice Questions and Correct Answers

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The type of nephron responsible for renal concentration is the: A. Cortical B. Juxtaglomerular B. Juxtaglomerular The function of the peritubular capillaries is: A. Reabsorption B. Filtration C. Secretion D. Both A and C D. Both A and C Blood flows through the nephron in the following order: A...

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  • September 12, 2024
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  • 2024/2025
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Strasinger Chapter III Practice Questions
and Correct Answers
The type of nephron responsible for renal concentration is the:

A. Cortical
B. Juxtaglomerular ✅B. Juxtaglomerular

The function of the peritubular capillaries is:

A. Reabsorption
B. Filtration
C. Secretion
D. Both A and C ✅D. Both A and C

Blood flows through the nephron in the following order:

A. Efferent arteriole, peritubular capillaries, vasa recta,
afferent arteriole
B. Peritubular capillaries, afferent arteriole, vasa recta, efferent arteriole
C. Afferent arteriole, peritubular capillaries, vasa recta, efferent arteriole
D. Efferent arteriole, vasa recta, peritubular capillaries, afferent arteriole ✅C. Afferent
arteriole, peritubular capillaries, vasa recta, efferent arteriole

Filtration of protein is prevented in the glomerulus by:

A. Hydrostatic pressure
B. Oncotic pressure
C. Renin
D. The glomerular filtration barrier ✅D. The glomerular filtration barrier

The renin-angiotensin-aldosterone system is responsible for
all of the following except:

A. Vasoconstriction of the afferent arteriole
B. Vasoconstriction of the efferent arteriole
C. Reabsorbing sodium
D. Releasing aldosterone ✅A. Vasoconstriction of the afferent arteriole

The primary chemical affected by the renin-angiotensin- aldosterone system is:

A. Chloride
B. Sodium
C. Potassium

, D. Hydrogen ✅B. Sodium

Secretion of renin is stimulated by:
A. Juxtaglomerular cells
B. Angiotensin I and II
C. Macula densa cells
D. Circulating angiotensin-converting enzyme ✅C. Macula densa cells

The hormone aldosterone is responsible for:

A. Hydrogen ion secretion
B. Potassium secretion
C. Chloride retention
D. Sodium retention ✅D. Sodium retention

The fluid leaving the glomerulus has a specific gravity of:

A. 1.005
B. 1.010
C. 1.015
D. 1.020 ✅B. 1.010

For active transport to occur, a chemical:

A. Must combine with a carrier protein to create
electrochemical energy
B. Must be filtered through the proximal convoluted tubule
C. Must be in higher concentration in the filtrate than in the blood
D. Must be in higher concentration in the blood than in the filtrate ✅A. Must combine
with a carrier protein to create
electrochemical energy

Which of the tubules is impermeable to water?

A. Proximal convoluted tubule
B. Descending loop of Henle
C. Ascending loop of Henle
D. Distal convoluted tubule ✅C. Ascending loop of Henle

Glucose will appear in the urine when the:

A. Blood level of glucose is 200 mg/dL
B. Tm for glucose is reached
C. Renal threshold for glucose is exceeded
D. All of the above ✅D. All of the above

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