Test 15-18 Flashcards Preview

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Flashcards in Test 15-18 Deck (12):
1

Whenever the plasma glucose concentration exceeds the renal plasma threshold,

glucose will appear in the urine.

2

Whenever sodium ions are reabsorbed through the wall of the renal tubule by active transport, chloride ions are

reabsorbed by passive transport.

3

The countercurrent mechanism functions primarily in the

nephron loop.

4

In which of the following portions of the nephron is water actively transported?

none of the above

5

Urine is forced along the length of the ureter by

peristaltic waves.

6

The respiratory center is most likely to cause an increase in the breathing rate if the

pH of body fluids is decreasing.

7

Prolonged vomiting, in which only the stomach contents are lost, leads to

metabolic alkalosis.

8

Diabetes mellitus, in which fatty acids are converted to ketone bodies, leads to

metabolic acidosis.

9

Respiratory acidosis can be

caused by a decreased breathing rate and compensated for by the secretion of more hydrogen ions from the kidneys.

10

Metabolic alkalosis can be

all of the above

11

Sometimes the carboxyl groups of proteins release

hydrogen ions.

12

The kidneys help to regulate the hydrogen ion concentration of body fluids by

altering the rate at which hydrogen ions are secreted.