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","B","D"]
Explanation
A. Presence of fat embolisms: Fat embolisms can occur after fractures, particularly of long bones, and must be considered as they can lead to serious complications such as respiratory distress.
B. Pulse strength (0/4 to 4/4): Assessing pulse strength is crucial in musculoskeletal trauma to evaluate circulation and ensure there is no compromise to blood flow to the affected limb.
C. Age: While age can influence the healing process and susceptibility to injury, it is not a direct indicator of musculoskeletal trauma severity.
D. Circulation (capillary refill less than three seconds): Capillary refill time is a key assessment to evaluate circulation and the potential impact of musculoskeletal trauma on blood flow.
E. Potassium levels: Potassium levels are not directly related to musculoskeletal trauma assessment.
F. Level of vitamin D: Vitamin D levels do not provide immediate information relevant to acute musculoskeletal trauma.
Correct Answer is C
Explanation
A. High level of physical activity: While certain activities can lead to temporary changes in the urinary tract, physical activity is not a primary risk factor for UTIs.
B. Smoking: While smoking is a risk factor for many health issues, it is not directly linked to an increased risk of UTIs.
C. Diabetes increases the risk for UTIs due to factors like poor glycemic control, which can create an environment conducive to bacterial growth in the urinary tract.
D. Pain medication misuse: This does not increase the risk of UTIs.
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