Acid-Base Balance Quiz

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Test your acid-base essentials

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Acid-Base Balance Quiz


Acid-Base Balance QuizVersión en línea Test your acid-base essentials por Anotida 1 What does acid-base balance primarily regulate? a Blood pressure b Glucose levels c Hydrogen ion concentration in body fluids d Oxygen transport in blood 2 Which pH range is considered normal for the human body? a 7.36 to 7.40 b 6.80 to 7.00 c 7.00 to 7.20 d 7.50 to 7.80 3 What describes acidosis in arterial blood? a pH less than 7.35 b pH exactly 7.40 c pH 7.50 d pH greater than 7.45 4 What describes alkalosis in arterial blood? a pH less than 7.35 b pH exactly 7.40 c pH 7.20 d pH greater than 7.45 5 Which buffer system is a rapid-acting chemical buffer? a Respiratory buffer system b Bicarbonate buffer system c Renal buffer system d Phosphate buffer system 6 What is the major volatile acid buffered in the body? a Acetoacetic acid b Lactic acid c Carbonic acid (H2CO3) d Sulphuric acid 7 Which acid is often formed from anaerobic glucose metabolism? a Lactic acid b Acetic acid c Citric acid d Phosphoric acid 8 Which body component buffers nonvolatile acids like lactic acid? a Potassium chloride b Sodium bicarbonate c Sodium chloride d Ammonia 9 Which mechanism is a physiologic pH control? a Gastric buffering b Bicarbonate buffering c Respiratory response d Urinary filtration 10 What does increased respiration do to pH? a Has no effect on pH b Directly removes bicarbonate c Raises H+ by retaining CO2 d Lowers blood H+ by expelling CO2 11 Which ABG parameter indicates respiratory status? a HCO3- b SaO2 c PO2 d Pco2 12 What indicates metabolic acidosis on ABG? a High HCO3- with high pH b Normal HCO3- with low pH c Low pO2 with normal pH d Low HCO3- with low pH 13 What indicates metabolic alkalosis on ABG? a Low pO2 with low pH b High HCO3- with high pH c Low HCO3- with high pH d High Pco2 with low pH 14 Which organ primarily excretes acids and maintains pH long-term? a Kidneys b Liver c Lungs d Spleen 15 What does the chloride shift help with? a Transport chloride ion exclusively b Buffer carbonic acid in red blood cells c Buffer H+ in urine d Convert CO2 to O2 16 Which buffer pair is mainly intracellular and in red blood cells? a Tissue fluids phosphate buffer b Sodium bicarbonate only c Albumin buffering phosphate d Haemoglobin buffering carbonic acid 17 What happens when base/acid ratio deviates from 20:1? a Immediate kidney failure b Only respiratory changes occur c Compensation is needed to restore balance d No effect on pH 18 What is the effect of prolonged hypoventilation? a No change in pH b Causes metabolic alkalosis c Decreases CO2 and pH low d Increases blood H2CO3 and H+, causing acidosis 19 What is the role of urinary NH3 in pH control? a Forms NH4+ to excrete acid b Neutralizes urine with base c Increases CO2 transport d Increases bicarbonate reabsorption 20 Why are buffers alone not sufficient to maintain pH? a Only buffers maintain pH b No buffers exist in body fluids c Buffers can fully stabilize pH d Need respiratory and urinary pH control too Feedback 1 pH balance hinges on H+ concentration in fluids. 2 Normal pH is narrowly maintained around 7.36–7.40. 3 Acidosis = low arterial pH. 4 Alkalosis = high arterial pH. 5 Bicarbonate acts quickly to neutralize H+. 6 Carbonic acid arises from CO2 in blood. 7 Lactic acid forms with H+ from anaerobic glycolysis. 8 H+ from nonvolatile acids buffered by bicarbonate. 9 Breathing adjusts CO2 and H+ indirectly. 10 Hyperventilation reduces CO2, lowers H+.. 11 Pco2 reflects respiratory gas exchange. 12 Metabolic acidosis: low bicarbonate and pH. 13 Metabolic alkalosis: elevated bicarbonate and pH. 14 Renal excretion complements respiratory control. 15 Chloride shift supports bicarbonate buffering in blood. 16 Haemoglobin acts as a key intracellular buffer. 17 Imbalance triggers compensation toward 20:1. 18 Hypoventilation raises CO2, lowers pH. 19 NH3 traps H+ as ammonium for excretion. 20 Buffering works with respiration and kidneys.

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Acid-Base Balance Quiz

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Tipos de sintagmas (II)

Acid-Base Balance QuizVersión en línea

por Anotida

What does acid-base balance primarily regulate?

Which pH range is considered normal for the human body?

What describes acidosis in arterial blood?

What describes alkalosis in arterial blood?

Which buffer system is a rapid-acting chemical buffer?

What is the major volatile acid buffered in the body?

Which acid is often formed from anaerobic glucose metabolism?

Which body component buffers nonvolatile acids like lactic acid?

Which mechanism is a physiologic pH control?

What does increased respiration do to pH?

Which ABG parameter indicates respiratory status?

What indicates metabolic acidosis on ABG?

What indicates metabolic alkalosis on ABG?

Which organ primarily excretes acids and maintains pH long-term?

What does the chloride shift help with?

Which buffer pair is mainly intracellular and in red blood cells?

What happens when base/acid ratio deviates from 20:1?

What is the effect of prolonged hypoventilation?

What is the role of urinary NH3 in pH control?

Why are buffers alone not sufficient to maintain pH?

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