WorksheetsAcid-Base Balance and Metabolic Disorders Worksheet
Total questions: 10
Worksheet time: 5mins
The kidneys contribute to acid-base balance by
A) Secretion of ammonia
B) Retention of bicarbonate
C) Increased ketogenesis
D) Increasing the pCO2
Metabolic acidosis can result from
A) Reduction of H+ excretion by the kidneys
B) Increase in HCO3- reabsorption
C) Hyperventilation
D) Respiratory depression
Bicarbonate buffer in the ECF has the following ratio between the conjugate base and its acid:
A) 5
B) 4
C) 10
D) 20
A 10-year-old child with a known case of type 1 DM presents with confusion. The blood glucose level is 353 mg/dl and pH = 7.0. What is the metabolic abnormality?
A) Respiratory acidosis
B) Metabolic alkalosis
C) Metabolic acidosis
D) Respiratory alkalosis
A patient with COPD has the following blood gases: pH 7.26, PCO2 59 mmHg, HCO3- 42. Which of the following conditions is present?
A) Partially compensated respiratory alkalosis
B) Partially compensated respiratory acidosis
C) Fully compensated metabolic alkalosis
D) Fully compensated metabolic acidosis
All of the following are examples of HAGMA ( High Anion Gap Metabolic Acidosis) except?
A) DKA
B) Diarrhoea
C) AKT
D) Inborn error of metabolism
Which of the following is not done before drawing blood for arterial blood gas analysis?
A) Allen's test
B) Rinse the syringe with heparin
C) Flexion of the wrist
D) Placing the needle at a 45-degree angle
Metabolic alkalosis is suspected in a patient presenting with multiple episodes of vomiting. Which of the following laboratory results would be seen in his arterial blood gas analysis?
A) pH: 7.48, pCO2: 32 mmHg, HCO3-: 21 mEq/L
B) pH: 7.32, pCO2: 30 mmHg, HCO3-: 22 mEq/L
C) pH: 7.28, pCO2: 50 mmHg, HCO3-: 32 mEq/L
D) pH: 7.55, pCO2: 48 mmHg, HCO3-: 30 mEq/L
Renal compensation in metabolic acidosis takes time because:
A) Initially, the pH of tubular fluid increases.
B) Low pH normally decreases bicarbonate excretion.
C) It takes hours to days for the kidney to synthesize enzymes that produce NH4+.
D) Other ions in the tubule interfere with buffer action.
The kidney excretes H+ in the form of titratable acid. Which of the following is a buffer that forms a titratable acid excreted in urine?
Ammonium
Bicarbonate
Histidine
Phosphate
