Why is a patient at risk for pneumonia, if they are unable to get out of bed?
When on bedrest, the patient is more prone to develop asthma, which can lead to pneumonia.
Mucus pools in the lungs, providing a favorable environment for bacterial growth.
The need for supplemental oxygen increases with bedrest, which then increases the risk of developing pneumonia.
Many bacteria and viruses are present in the hospital that could lead to pneumonia.
The Correct Answer is B
A. Asthma is not typically linked to bedrest. Bedrest can lead to decreased lung expansion and impaired mucus clearance, which may increase the risk of infections like pneumonia, but it does not specifically increase the risk of asthma.
B. When a patient is immobile and unable to get out of bed, mucus can accumulate in the lungs, as normal coughing and deep breathing are reduced. This pooling of mucus provides an ideal environment for bacteria to grow, leading to pneumonia.
C. While supplemental oxygen might be needed for patients with certain respiratory conditions, it is not the primary risk factor for pneumonia in bedrest. In fact, oxygen therapy might be used to treat pneumonia.
D. Hospital-acquired infections, including pneumonia, are a concern, but the primary risk from bedrest is the inability to clear mucus effectively, not the presence of pathogens alone.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Pain over the eyes is associated with sinusitis in the frontal sinuses (located above the eyes), not the maxillary sinuses.
B. The maxillary sinuses are located in the cheeks, so pain related to maxillary sinusitis is typically felt in this area.
C. Pain over the ears is not typically associated with sinusitis; it is more common with ear infections or other middle ear conditions.
D. Pain above the eyebrows is typically related to frontal sinusitis, not maxillary sinusitis.
Correct Answer is B
Explanation
A. Bicarbonate is a buffer in the blood that helps maintain pH balance, but it is not a gas and does not directly regulate breathing.
B. Carbon dioxide (CO₂) is the primary regulator of respiration. Elevated CO₂ levels in the blood lower pH (making it more acidic), which stimulates chemoreceptors to increase the rate and depth of breathing to expel more CO₂ and restore balance.
C. Nitrogen makes up the majority of the air we breathe, but it is inert and plays no active role in regulating respiration.
D. Oxygen does influence breathing, especially at very low levels, but it is not the primary driver. In healthy individuals, CO₂ levels are the main factor controlling respiratory rate.
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