Which of the following is untrue? A: the fluid and solutes in the filtrate have

Question

Which of the following is untrue?

A: the fluid and solutes in the filtrate have been removed from the blood and are located in the renal tubules.

B: the filtration membrane allows blood cells and other large substances to pass but prevents small substances from moving through it.

C: tubular secretion involves the reclamation of substances in the filtrate and their return to the blood.

D: substances such as glucose, proteins, and erthrocytes are secreted into filtrate.

Which of the following substances would you expect to find in normal urine?

A: Glucose

B: Proteins

C:Urea

D: Ketones

E: Nitrites

Explanation / Answer

1Q).

B: the filtration membrane allows blood cells and other large substances to pass but prevents small substances from moving through it. --------------> FALSE

C: tubular secretion involves the reclamation of substances in the filtrate and their return to the blood. ---------> FALSE

D: substances such as glucose, proteins, and erythrocytes are secreted into filtrate -----------> FALSE

Q 2). C:Urea (normal value is approximately 9.3 g/L)

Glucose, proteins, ketones and nitrites are not generally found in normal urine, presence of these substances in urine indicates UTIs (urinary tract infections).

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