The presence of which of the following in urine would be abnormal?

1. sodium 2. glucose
3. urea 4. creatinine

Subtopic:  Micturition Reflex | Disorders of Excretory System |
 76%
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The major site for the reabsorption of bicarbonate ions in the nephron is the:

1. proximal convoluted tubule 2. loop of Henle
3. distal convoluted tubule 4. Bowman’s capsule
Subtopic:  Nephron Part 1 | Nephron Part 2 |
 74%
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Urine from the major calyces in the kidney is collected by:

1. minor calyces 2. renal pelvis
3. ureters 4. renal papillae
Subtopic:  Human Kidney: Location & Cut Section |
 75%

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The functional unit of the human kidney is the:

1. glomerulus 2. Malpighian body
3. nephron 4. medullary pyramids
Subtopic:  Human Kidney: Location & Cut Section |
 93%
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The vascular endothelium of glomerular capillaries, basement membrane, and podocytes in the inner lining of Bowman’s capsule form:

1. filtration membrane 2. juxtaglomerular apparatus
3. Malpighian corpuscle 4. nephron

Subtopic:  Formation of Urine |
 74%
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A series of straight capillaries in the medulla that lie parallel to the loop of Henle are called:

1. arcuate arteries 2. efferent arterioles
3. afferent arterioles 4. vasa recta
Subtopic:  Human Kidney: Location & Cut Section | Nephron Part 1 | Nephron Part 2 |
 90%
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About what percent of the glomerular ultrafiltrate is reabsorbed by the tubules during urine formation?

1. 99% 2. 70%
3. 50% 4. 20%
Subtopic:  Formation of Urine |
 84%
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10 to 15 distinct conical or triangular structures in the human kidney are seen in renal ______ and are known as renal ____________.

1. pelvis; calyces 2. medulla; pyramids
3. cortex; columns of Bertini 4. cortex; lobes
Subtopic:  Human Kidney: Functions | Human Kidney: Location & Cut Section |
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All of the following regarding juxtamedullary nephrons in human kidneys are correct except:

1. the entire nephron is located in the superficial cortex of the kidney

2. the renal corpuscle comprises a glomerulus and a glomerular capsule

3. blood arrives at the glomerular capillaries via an afferent arteriole

4. the proximal convoluted tubule leads into a long nephron loop

Subtopic:  Human Kidney: Functions |
 73%
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The part of the nephron where both hydrogen and potassium ions are secreted into the tubular fluid is the

1. Malpighian body 2. proximal convoluted tubule
3. loop of Henle 4. distal convoluted tubule
Subtopic:  Nephron Part 1 | Nephron Part 2 | Formation of Urine |
 51%
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