13.2 Urinary System - Set 1 Quiz

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Which of the following is the importance of the kidney?

I.		To excrete waste materials

II.		To regulate blood osmotic pressure

III.		To maintain blood pH

IV.		To control blood volume

Difficulty Level: Medium

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Which of the following parts of nephron can be found in the cortex of a kidney?

Difficulty Level: Medium

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Which of the following is the correct step to form urine in the kidney?

(A)		\(\text{Ultrafiltration}\longrightarrow\text{reabsorption}\longrightarrow\text{secretion}\)

(B)		\(\text{Ultrafiltration}\longrightarrow\text{secretion}\longrightarrow\text{reabsorption}\)

(C)		\(\text{Ultrafiltration}\longrightarrow\text{reabsorption}\)

(D)		\(\text{Ultrafiltration}\longrightarrow\text{secretion}\)

Difficulty Level: Medium

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Which of the following may occur if the collecting duct becomes more permeable to salt?

(A)		The urine produced is more in volume and dilute

(B)		The urine produced is little in volume and concentrated

(C)		The concentration and amount of urine decreases

(D)		The concentration and amount of urine increases

Difficulty Level: Hard

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Haemodialysis is a process that cleans the blood by using haemodialyser.

What substances diffuse out from the tubing into the dialysis fluid?

Difficulty Level: Medium