How does the respiratory system compensate for acid-base disturbances?
Preventing the absorption of sodium and potassium
Blocking the arterial walls from absorbing electrolytes
Increasing ventilation to drop the H+ ion level
Regulating the excretion or reabsorption of H+ and HCO3
Correct answer: C
The Correct Answer is C
A. Preventing the absorption of sodium and potassium: This statement is incorrect because the respiratory system does not affect the absorption of sodium and potassium; it primarily influences the levels of carbon dioxide (CO2) in the blood.
B. Blocking the arterial walls from absorbing electrolytes: The respiratory system does not block electrolyte absorption through arterial walls. This is not a mechanism involved in acid-base balance.
C. Increasing ventilation to drop the H+ ion level: The respiratory system compensates for acidosis by increasing ventilation, which helps to expel more CO2 from the lungs, reducing the concentration of H+ ions and thus decreasing acidity.
D. Regulating the excretion or reabsorption of H+ and HCO3: This is the role of the renal system, not the respiratory system. The kidneys regulate acid-base balance by excreting or reabsorbing H+ and HCO3.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","F"]
Explanation
A. Peptostreptococcus is not a common cause of otitis media; it is more often associated with other infections such as abscesses.
B. Streptococcus pneumoniae is one of the most common causes of otitis media in children.
C. Chlamydia trachomatis is associated with other types of infections, such as sexually transmitted infections (STIs) or neonatal conjunctivitis, but not typically otitis media.
D. Treponema pallidum is the bacterium responsible for syphilis and is not a cause of otitis media.
E. Escherichia coli: While Escherichia coli can cause infections, it is not a common pathogen in otitis media in children.
F. Haemophilus influenzae is another common bacterium responsible for otitis media in children, particularly the nontypeable strains.
Correct Answer is ["B","E"]
Explanation
A. Chronic diarrhea is not typically associated with the development of hernias.
B. Heavy lifting is a known risk factor for hernias because it increases intra-abdominal pressure, which can lead to a protrusion of abdominal contents through a weak spot in the abdominal wall.
C. History of stroke is not directly associated with an increased risk of hernias.
D. Anemia is not related to the development of hernias.
E. Pregnancy increases the risk of hernias due to the increased intra-abdominal pressure and stretching of abdominal muscles and tissues.
F. Hypertension is not a direct risk factor for hernias.
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