Medical Quiz

Kidney - Loop of Henlé Quiz


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Most of the reabsorption of salts and water occurs in the ______.

A. Collecting tubule

B. Proximal convoluted tubule

C. Loops of Henle

D. Distal convoluted tubule


The ascending limb of the loop of Henle allows the reabsorption of

A. urea

B. minerals

C. uric acid

D. salts


The “salty” region of the kidney.

A. Cortex

B. Medulla

C. Renal pelvis

D. Hilum


This tissue is…

A. renal medulla

B. renal cortex

C. pancreas

D. liver lobule


Identify

A. Proximal convoluted tubule

B. Distal convoluted tubule

C. Descending loop of Henle

D. Ascending loop of Henle


The area of the nephron impermeable to water is the….

A. Descending limb of the L of H

B. Ascending limb of the L of H

C. Proximal tubule

D. Distal tubule


The part of the nephron that primarily reabsorbs Na+ ions is:

A. Ascending Loop of Henle

B. Descending Loop of Henle

C. Bowman’s Capsule

D. Vasa Recta


The function of the counter current multiplier process in loop of Henle is

A. To promote diffusion of Na+ ions into the tubule from blood capillaries

B. To promote diffusion of Na+ ions into blood capillaries from the tubule

C. To promote diffusion of water from the tubule into blood capillaries

D. To promote diffusion of water from blood capillaries into the tubule


In which part of the kidney is the loop of Henlé located?

A. I

B. II

C. III

D. IV


Which statement is true?

A. The efferent arteriole is wider than the afferent arteriole

B. The afferent artery is wider than the efferent artery

C. The afferent arteriole is wider than the efferent arteriole

D. The afferent and efferent arterioles are the same width


As glomerular filtrate moves through the ascending loop of Henle, the filtrate becomes more dilute: why?

A. The ascending loop of Henle is permeable to water and ions

B. The ascending loop of Henle is permeable to ions but impermeable to water

C. The ascending loop of Henle is impermeable to water and ions

D. The ascending loop of Henle is permeable to water but not to ions


In the kidneys, osmotic pressure controls ______.

A. Glucose absorption

B. Sodium absorption

C. Water absorption

D. none of these


The pigments that give urine its yellow or amber color are derived from

A. salt

B. urea

C. bile and hemoglobin molecules

D. plasma proteins


Most of the water filtered into the Bowman’s capsule is reabsorbed in the

A. Proximal convoluted tubule

B. Descending limb of the loop of Henle

C. Ascending limb of the loop of Henle

D. Distal convoluted tubule




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