Textbook Question
More than one choice may apply.
Match each letter from the figure with the correct blood vessel name.
Renal artery
796
views
25. The Urinary System
Blood Supply of the Kidneys
Problem 3c
Textbook Question
Mark the following statements as true or false. If a statement is false, correct it to make a true statement.
c. The first capillary bed of the kidneys is the peritubular capillaries, which are fed by the afferent arteriole and drained by the efferent arteriole.
Verified step by step guidance1
Step 1: Understand the anatomy of the kidney's blood supply. The kidney has a unique blood flow system involving two capillary beds: the glomerulus and the peritubular capillaries. The glomerulus is the first capillary bed, and it is fed by the afferent arteriole and drained by the efferent arteriole.
Step 2: Analyze the statement provided. It claims that the first capillary bed of the kidneys is the peritubular capillaries, which are fed by the afferent arteriole and drained by the efferent arteriole.
Step 3: Identify the error in the statement. The peritubular capillaries are not the first capillary bed; they are the second. The first capillary bed is the glomerulus. Additionally, the peritubular capillaries are fed by the efferent arteriole, not the afferent arteriole.
Step 4: Correct the false statement. The corrected statement should read: 'The first capillary bed of the kidneys is the glomerulus, which is fed by the afferent arteriole and drained by the efferent arteriole.'
Step 5: Review the corrected statement to ensure it aligns with the anatomy and physiology of the kidney's blood supply, confirming its accuracy.
Verified video answer for a similar problem:This video solution was recommended by our tutors as helpful for the problem above
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Capillary Beds in the Kidneys
The kidneys contain two main capillary beds: the glomerular capillaries and the peritubular capillaries. The glomerular capillaries are the first capillary bed, where filtration of blood occurs, while the peritubular capillaries surround the renal tubules and are involved in reabsorption and secretion.
Recommended video:
5:59
General Structure of Capillary Beds
Afferent and Efferent Arterioles
Afferent arterioles supply blood to the glomeruli, where filtration takes place, while efferent arterioles carry blood away from the glomeruli. This arrangement is crucial for regulating blood pressure and filtration rate in the kidneys.
Recommended video:
4:33Arteriolar Diameter and GFR
True/False Statement Correction
In evaluating statements as true or false, it is essential to understand the underlying biological processes. If a statement is false, it should be corrected by providing accurate information, ensuring clarity and understanding of the physiological concepts involved.
Recommended video:
1:46Structural Class: Synovial Joints Example 3
Related Videos
Related Practice