Ch. 24 The Urinary System

Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814당신이 사용하는 게 아니라요?교과서 변경

Amerman 3rd Edition

Ch. 24 The Urinary System

문제 3b

24장, 문제 3b

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.

검증된 단계별 안내

Step 1: Begin by identifying the anatomical structure of the kidney. The kidney is divided into three main regions: the outer renal cortex, the middle renal medulla, and the inner renal pelvis.

Step 2: Compare the statement provided in the problem to the correct anatomical structure of the kidney. The statement claims that the kidney consists of an outer renal medulla, a middle renal pelvis, and an inner renal cortex.

Step 3: Analyze the discrepancies in the statement. The outermost layer of the kidney is the renal cortex, not the renal medulla. The renal medulla is located in the middle region, and the renal pelvis is the innermost structure where urine collects before it is transported to the ureter.

Step 4: Mark the statement as false because the order of the kidney's regions is incorrect. The correct order is: outer renal cortex, middle renal medulla, and inner renal pelvis.

Step 5: Correct the statement to make it true: 'Internally, the kidneys consist of an outer renal cortex, a middle renal medulla, and an inner renal pelvis.'

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

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주요 개념

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Kidney Anatomy

The kidneys are vital organs in the urinary system, primarily responsible for filtering blood and producing urine. They consist of three main regions: the outer renal cortex, the inner renal medulla, and the renal pelvis. The renal cortex is the outer layer, while the medulla contains the renal pyramids and is involved in urine concentration. The renal pelvis serves as a funnel for urine to flow into the ureter.

Renal Cortex vs. Renal Medulla

The renal cortex and renal medulla are distinct regions of the kidney with different functions. The renal cortex is the outer layer that contains nephrons, the functional units of the kidney, responsible for filtering blood. In contrast, the renal medulla, located beneath the cortex, contains structures that help concentrate urine and regulate water balance through the loop of Henle and collecting ducts.

Renal Pelvis

The renal pelvis is the central part of the kidney that collects urine produced by the nephrons before it moves to the ureter. It acts as a reservoir for urine and plays a crucial role in the drainage system of the kidney. Understanding the renal pelvis's function is essential for comprehending how urine is transported from the kidneys to the bladder.

관련 실천

교과서 질문

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

b. Blocking the receptor for angiotensin-II on blood vessels and in the renal tubule cells

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교과서 질문

Mr. Yao is a patient with kidney disease who presents to your clinic for monitoring. You notice on his chart that his GFR was estimated through inulin administration to be about 35 ml/min. What does this tell you about the health of his kidneys? Mr. Yao is taking a medication that is normally excreted from the body in the urine. You order blood work and find that the concentration of this medication in his plasma is much higher than normal. How does his decreased GFR explain the elevated level of medication in his plasma?

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교과서 질문

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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교과서 질문

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.

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.

Cortical and juxtamedullary nephrons differ in the:

a. Lengths of their nephron loops