[3] Arterial Blood Gas Interpretation

Question 1

Would you have metabolic acidosis or alkalosis in diarrhea? Why?

Answer 1

Metabolic Acidosis, because of loss of HCO3-

Question 2

What part of the glomerulus is responsible for preventing further loss of bicarbonate ions?

Answer 2

Proximal Collecting Tubule

Question 3

What part of the glomerulus is responsible for secretion of H+ ions?

Answer 3

Distal Collecting Tubule

Question 4

Function: Principal Cell

Answer 4

Sodium Reabsorption

Question 5

Function: Alpha-Intercalated Cell

Answer 5

Excretion of H+ through H+-ATPase Pump

Question 6

Function: Beta-Intercalated Cell

Answer 6

Excretion of HCO3- through HCO3-Cl- Exchanger

Question 7

Fine-tuning of Sodium Reabsorption is controlled by?

Answer 7

Distal Collecting Tubule

Question 8

[Identify: Type of RTA Produced]

Absence of Carbonic Anhydrase

Answer 8

Type II

Question 9

[Identify: Type of RTA Produced]

Use of Aldosterone Antagonist

Answer 9

Type I

Question 10

[Identify: Type of RTA Produced]

Treatment with a Renin Inhibitor

Answer 10

Type I

Question 11

[Identify: Type of RTA Produced]

Use of a Na/K ATPase Pump Inhibitor

Answer 11

Predominantly Type II with some Type I