Podcast
Questions and Answers
What is the primary reason for the regulation of acid-base balance in the body?
What is the primary reason for the regulation of acid-base balance in the body?
- To control body temperature
- To regulate heart rate
- To maintain optimal enzyme function (correct)
- To regulate blood pressure
What is the term used to express the concentration of hydrogen ions in the body fluid?
What is the term used to express the concentration of hydrogen ions in the body fluid?
- pKa
- pKB
- pH (correct)
- pOH
What is the result of a high pH in the body fluid?
What is the result of a high pH in the body fluid?
- Alkalosis (correct)
- Acidosis
- Metabolic pathway
- Homeostasis
How many primary systems regulate the H+ concentration in the body fluids?
How many primary systems regulate the H+ concentration in the body fluids?
What is the consequence of slight deviations from normal pH in the body fluid?
What is the consequence of slight deviations from normal pH in the body fluid?
What is the term used to describe a low pH corresponding to a high [H+] in the body fluid?
What is the term used to describe a low pH corresponding to a high [H+] in the body fluid?
Which system can act within a fraction of a second to prevent excessive changes in [H+]?
Which system can act within a fraction of a second to prevent excessive changes in [H+]?
What is the role of the respiratory center in acid-base balance?
What is the role of the respiratory center in acid-base balance?
How long does it take for the kidneys to readjust the [H+] after sudden changes have occurred?
How long does it take for the kidneys to readjust the [H+] after sudden changes have occurred?
What is the function of the bicarbonate buffer system?
What is the function of the bicarbonate buffer system?
What is the role of hemoglobin in red blood cells?
What is the role of hemoglobin in red blood cells?
What is the most powerful acid-base regulatory system in the body?
What is the most powerful acid-base regulatory system in the body?
What is the primary function of the bicarbonate buffer system in the body?
What is the primary function of the bicarbonate buffer system in the body?
What is the ratio of bicarbonate ions to carbonic acid in the blood when the pH is within the normal range?
What is the ratio of bicarbonate ions to carbonic acid in the blood when the pH is within the normal range?
What happens when sodium bicarbonate comes into contact with a strong acid, such as HCl?
What happens when sodium bicarbonate comes into contact with a strong acid, such as HCl?
What is the function of sodium in the bicarbonate-carbonic acid buffer system?
What is the function of sodium in the bicarbonate-carbonic acid buffer system?
What happens when carbonic acid comes into contact with a strong base, such as NaOH?
What happens when carbonic acid comes into contact with a strong base, such as NaOH?
What is the primary source of acids in the body that the bicarbonate buffer system helps to neutralize?
What is the primary source of acids in the body that the bicarbonate buffer system helps to neutralize?
What is the primary way the respiratory system contributes to acid-base balance in the body?
What is the primary way the respiratory system contributes to acid-base balance in the body?
What happens to blood pH when the CO2 level in the blood rises?
What happens to blood pH when the CO2 level in the blood rises?
How does increasing the rate and/or depth of respiration affect the blood pH?
How does increasing the rate and/or depth of respiration affect the blood pH?
What is the outcome of excessive deep and rapid breathing (hyperventilation)?
What is the outcome of excessive deep and rapid breathing (hyperventilation)?
How can brief alkalosis caused by hyperventilation be remedied?
How can brief alkalosis caused by hyperventilation be remedied?
What is the equilibrium reaction that occurs in the blood?
What is the equilibrium reaction that occurs in the blood?
What is the primary signal used by chemoreceptors to regulate respiratory rate?
What is the primary signal used by chemoreceptors to regulate respiratory rate?
Where are peripheral blood sensors located that help regulate respiratory rate?
Where are peripheral blood sensors located that help regulate respiratory rate?
How do changes in pH of CSF affect the respiratory center?
How do changes in pH of CSF affect the respiratory center?
What is the normal pH range of urine?
What is the normal pH range of urine?
What happens to bicarbonate excretion in alkalosis?
What happens to bicarbonate excretion in alkalosis?
What is the effect of increased bicarbonate excretion in alkalosis?
What is the effect of increased bicarbonate excretion in alkalosis?