Renal - Acid-Base Disorders

Question 1

H⁺ ions are endlessly recycled in the kidneys in the absorption of _______^-.

Answer 1

H⁺ ions are endlessly recycled in the kidneys in the absorption of HCO₃^-.

Question 2

Ammoniagenesis occurs in the kidney with ___________ as a starting substrate.

Answer 2

Ammoniagenesis occurs in the kidney with glutamate as a starting substrate.

Question 3

Glutamate breakdown in the kidneys generates _______ and _______.

Answer 3

Glutamate breakdown in the kidneys generates HCO₃^- and NH₃.

Question 4

True/False.

Phosphate acts as a urinary buffer.

Answer 4

True.

Question 5

Net acid excretion = urinary titratable acid - ________ + ________.

Answer 5

Net acid excretion = urinary titratable acid - HCO₃^- + NH₄⁺.

Question 6

What are the three steps of working up an acidosis or alkalosis?

Answer 6

1. Check pH
2. Check pCO₂
3. Check HCO₃^-

Question 7

What is Winter’s formula used to calculate?

Answer 7

The expected pCO₂

Question 8

What is Winter’s formula?

Answer 8

pCO₂ = (1.5 (HCO₃^-) + 8) plus or minus 2