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Ch. 24 The Urinary System
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoAmerman 3rd EditionCh. 24 The Urinary SystemProblema 3c
Capitolo 24, Problema 3c

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.

Guida verificata passo dopo passo
1
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.

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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.
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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.
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Arteriolar 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.
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Drugs that treat hypertension, or high blood pressure, have the following actions. Discuss the specific effect that each drug will have on the kidneys.

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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

d. Filtrate flows from the renal corpuscle to the distal tubule, the nephron loop, the proximal tubule, and into the collecting system.

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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

b. Internally, the kidneys consist of an outer renal medulla, a middle renal pelvis, and an inner renal cortex.

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Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

a. The kidneys are retroperitoneal and covered by three layers of connective tissue.

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Cortical and juxtamedullary nephrons differ in the:

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Describe the structure of the filtration membrane.

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