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 ["A","C"]
Explanation
A. Urethritis: Chlamydia trachomatis is a common cause of urethritis in both men and women.
B. Mastitis: This is typically caused by bacterial infections in the breast tissue, not C. trachomatis.
C. Ectopic pregnancy: Chlamydia infection can lead to pelvic inflammatory disease (PID), which increases the risk of ectopic pregnancy.
D. Cervicitis: Although C. trachomatis does cause cervicitis, it's less specific compared to urethritis and ectopic pregnancy.
E. Teratoma of the ovary: This is a type of ovarian tumor, unrelated to C. trachomatis.
F. Endometriosis: This is a condition where endometrial tissue grows outside the uterus and is not caused by C. trachomatis.
Correct Answer is B
Explanation
A. Aortic valve regurgitation: This condition involves the backward flow of blood from the aorta into the left ventricle, not the left atrium.
B. Mitral valve regurgitation occurs when the mitral valve does not close properly, allowing blood to flow back from the left ventricle into the left atrium during systole.
C. Mitral valve stenosis involves the narrowing of the mitral valve, restricting blood flow from the left atrium to the left ventricle, but does not involve backflow into the left atrium.
D. Aortic valve stenosis is the narrowing of the aortic valve, which restricts blood flow from the left ventricle into the aorta, not back into the atrium.
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