Podcast
Questions and Answers
Why is maintaining acid base balance critical for cell function?
Why is maintaining acid base balance critical for cell function?
- It regulates potassium levels in cells
- It maintains protein structure and enzyme function (correct)
- It inhibits metabolic waste excretion
- It promotes oxygen delivery to cells
What statement accurately describes the relationship between hydrogen ion concentration and pH?
What statement accurately describes the relationship between hydrogen ion concentration and pH?
- A higher H+ concentration corresponds to a higher pH
- A lower H+ concentration corresponds to a lower pH
- pH is the negative logarithm of H+ concentration (correct)
- pH and H+ concentration are not related
Which parameter can be measured using the Henderson-Hasselbach equation?
Which parameter can be measured using the Henderson-Hasselbach equation?
- Potassium levels in blood
- Blood oxygen saturation
- Blood pH (correct)
- Blood glucose concentration
What is a buffer?
What is a buffer?
Buffers are either a weak _____ with its conjugate _______, or a weak ______ with its conjugate _____
Buffers are either a weak _____ with its conjugate _______, or a weak ______ with its conjugate _____
Bases are normally derived from _____
Bases are normally derived from _____
Which of the following is an example of a strong acid?
Which of the following is an example of a strong acid?
Which condition could cause metabolic acidosis in animals?
Which condition could cause metabolic acidosis in animals?
Most acids and bases present in the ECF behave as weak acids and weak bases. The most important ones are ____ & ___
Most acids and bases present in the ECF behave as weak acids and weak bases. The most important ones are ____ & ___
Cells under ischemia show a more (acidic/basic) pH than cells under normal circumstances
Cells under ischemia show a more (acidic/basic) pH than cells under normal circumstances
What two conditions cause either a depression or elevation in pH?
What two conditions cause either a depression or elevation in pH?
What two terms define a disturbance caused by either the addition of an acid/base or removal of acid/base?
What two terms define a disturbance caused by either the addition of an acid/base or removal of acid/base?
What three systems regulate H+ and HCO3 concentration, and pH in the body?
What three systems regulate H+ and HCO3 concentration, and pH in the body?
The bicarbonate system is a(n)
The bicarbonate system is a(n)
The bicarbonate system is considered an open buffer system
The bicarbonate system is considered an open buffer system
What are the three buffer systems in the body?
What are the three buffer systems in the body?
What compensatory mechanism is activated during metabolic acidosis?
What compensatory mechanism is activated during metabolic acidosis?
Which system acts within seconds to regulate pH?
Which system acts within seconds to regulate pH?
Which of the following organs plays a key role in excreting hydrogen ions and reabsorbing bicarbonate?
Which of the following organs plays a key role in excreting hydrogen ions and reabsorbing bicarbonate?
The bicarbonate buffer system works as an open buffer system because
The bicarbonate buffer system works as an open buffer system because
What happens when the concentration of H+ increases in the bicarbonate buffer system?
What happens when the concentration of H+ increases in the bicarbonate buffer system?
Which buffer system is especially important in the renal tubule fluid?
Which buffer system is especially important in the renal tubule fluid?
Which protein in RBC serves as a key buffer for hydrogen ions?
Which protein in RBC serves as a key buffer for hydrogen ions?
What effect does hypoventilation have on pH?
What effect does hypoventilation have on pH?
Which of the following conditions is likely to cause respiratory acidosis?
Which of the following conditions is likely to cause respiratory acidosis?
What is the role of type A intercalated cells in the nephron during acidosis ?
What is the role of type A intercalated cells in the nephron during acidosis ?
How does the kidney compensate during alkalosis?
How does the kidney compensate during alkalosis?
Which of the following is characteristic of respiratory alkalosis?
Which of the following is characteristic of respiratory alkalosis?
Which mechanism contributes to renal regulation of pH?
Which mechanism contributes to renal regulation of pH?
Which of the following would cause an increased anion gap metabolic acidosis?
Which of the following would cause an increased anion gap metabolic acidosis?
Which term describes a disturbance characterized by an accumulation of acid or loss of base from the extracellular fluid?
Which term describes a disturbance characterized by an accumulation of acid or loss of base from the extracellular fluid?
Which buffer system is most effective in the ECF?
Which buffer system is most effective in the ECF?
During respiratory acidosis, what compensatory response occurs in the kidneys ?
During respiratory acidosis, what compensatory response occurs in the kidneys ?
Which acid is considered a volatile acid in the body?
Which acid is considered a volatile acid in the body?
Which acid-base disorder is associated with prolonged vomiting?
Which acid-base disorder is associated with prolonged vomiting?
In a patient with metabolic alkalosis, what compensatory mechanism is likely to occur?
In a patient with metabolic alkalosis, what compensatory mechanism is likely to occur?
What happens to potassium levels during acidosis?
What happens to potassium levels during acidosis?
Which parameter is necessary to evaluate an acid base disturbance?
Which parameter is necessary to evaluate an acid base disturbance?
Which disorder is characterized by a decreased pH and increased PCO2?
Which disorder is characterized by a decreased pH and increased PCO2?
Which condition can result in hyperkalemia?
Which condition can result in hyperkalemia?
Which of the following systems can eliminate non-volatile acids from the body?
Which of the following systems can eliminate non-volatile acids from the body?
What is the role of the Na+/H+ exchanger during acid base regulation in the kidney?
What is the role of the Na+/H+ exchanger during acid base regulation in the kidney?
What effect does increased PCO2 have on blood pH?
What effect does increased PCO2 have on blood pH?
Flashcards
Acid-Base Balance
Acid-Base Balance
Maintaining a stable hydrogen ion concentration in the body fluids, crucial for protein structure and enzyme function.
pH
pH
The negative logarithm of hydrogen ion concentration ([H+]).
Henderson-Hasselbalch Equation
Henderson-Hasselbalch Equation
A mathematical formula used to calculate the blood pH based on the relationship between carbonic acid and bicarbonate.
Buffer
Buffer
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Weak Acid/Conjugate Base Buffer
Weak Acid/Conjugate Base Buffer
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Weak Base/Conjugate Acid Buffer
Weak Base/Conjugate Acid Buffer
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Metabolic Acidosis Cause
Metabolic Acidosis Cause
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Buffer Systems
Buffer Systems
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Bicarbonate Buffer System
Bicarbonate Buffer System
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Open Buffer System
Open Buffer System
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Phosphate Buffer System
Phosphate Buffer System
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Hemoglobin Buffer
Hemoglobin Buffer
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Respiratory Acidosis
Respiratory Acidosis
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Respiratory Alkalosis
Respiratory Alkalosis
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Metabolic Alkalosis
Metabolic Alkalosis
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Type A intercalated cells
Type A intercalated cells
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Ischemia
Ischemia
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Hyperventilation
Hyperventilation
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Hypoventilation
Hypoventilation
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