Chapter 25 DSM Group 4
which of the following is not consistent with rising CO2 levels?
Additional Na+ ions are released.
Why must tubular fluid in the nephron be buffered?
All of the listed choices are correct.
which of the following is NOT a response in the regulation of acute respiratory acidosis?
HCO3- ions are secreted into the urine.
which of the following is NOT a response during the regulation of metabolic alkalosis?
The respiratory rate is increased.
under normal circumstances, during respiratory acidosis the chemoreceptors monitoring the PCO2 of the plasma and CSF will eliminate the problem by calling for _______________.
an increase in pulmonary ventilation rates
if the partial pressure of CO2 rises in the blood, which of the following happens?
decrease in pH
Deviations outside of the normal pH range due to increases in hydrogen ion concentrations would do all of the following except __________.
decrease the rate of respiration
deviations outside of the normal pH range due to increases in hydrogen ion concentration would do all of the following except _____________.
decrease the rate of respiration
which of the following might be a response to respiratory acidosis?
increased respiratory rate
When a normal pulmonary response does NOT reverse respiratory acidosis, the kidneys respond by __________.
increasing the rate of hydrogen ion secretion into the tubular fluid
a patient presents with a blood pH of 7.5, pCO2 of 32, and a normal HCO3-. what is the likely cause of the patient's abnormal lab values?
panic attacks causing acute respiratory alkalosis
Hypercapnia, or an elevation of carbon dioxide in the blood, is a sign of __________.
respiratory acidosis
given the following data, what would be your diagnosis for this patient? data: pH 7.3; pCO2 51mmHg; HCO3- 31mEq/L
respiratory acidosis
a mismatch between carbon dioxide generation in peripheral tissues and carbon dioxide excretion at the lungs is a ______________.
respiratory acid−base disorder
hyperventilation causes ___________.
respiratory alkalosis
what is the kidney's response to acidosis?
secretion of H+ into urine
chronic diarrhea causes a severe loss of bicarbonate ions, resulting in _____________.
metabolic acidosis
given the following data, what would be your diagnosis for this patient? data: pH 7.32; pCO2 38; HCO3- 20mEq/L
metabolic acidosis
A loss of H+ or a gain in HCO3- can lead to _________.
metabolic alkalosis
prolonged vomiting and loss of stomach acid causes _______________.
metabolic alkalosis
which of the following is the best way of describing respiratory compensation?
A change in the respiratory rate that helps stabilize the pH of the ECF.
which of the following descriptions is correct?
Respiratory acid-base disorders result from a mismatch between CO2 generation in peripheral tissues and CO2 excretion by the lungs.
A loss of bicarbonate ions can lead to ____________________.
metabolic acidosis