A nurse is caring for a client who has respiratory acidosis. Which of the following pH levels should the nurse expect?
pH 7.48
pH 7.50
pH 7.31
pH 7.39
The Correct Answer is C
A. pH 7.48:
A pH of 7.48 indicates alkalosis, not acidosis. Respiratory acidosis is characterized by a pH below the normal range (7.35-7.45).
B. pH 7.50:
Similar to choice A, a pH of 7.50 indicates alkalosis, not acidosis.
C. pH 7.31:
This pH value falls below the normal range (7.35-7.45), indicating acidemia. In respiratory acidosis, there is an increase in the partial pressure of carbon dioxide (PaCO2) in the blood, leading to an accumulation of carbonic acid and a decrease in pH.
D. pH 7.39:
A pH of 7.39 falls within the normal range (7.35-7.45), indicating a normal acid-base balance. It does not indicate acidosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
(A) Swallow the tablet whole with an 8 oz glass of water.
Sublingual nitroglycerin tablets should not be swallowed. They need to be placed under the tongue where they can dissolve and be absorbed quickly to provide rapid relief from angina.
(B) Store the medication in a pill box at the bedside.
Nitroglycerin sublingual tablets should be stored in their original container and kept tightly closed to protect them from light and moisture. Storing them in a pill box at the bedside could lead to degradation of the medication.
(C) Take the medication at the first indication of chest pain.
This is the correct instruction. Nitroglycerin sublingual tablets should be taken at the first sign of chest pain to provide prompt relief. The rapid onset of action helps to alleviate angina symptoms quickly.
(D) Remove the nitroglycerine patch before taking the sublingual tablet.
It is not necessary to remove the nitroglycerin patch before taking a sublingual tablet. The two forms of nitroglycerin can be used together, as the patch provides a continuous dose while the sublingual tablet offers rapid relief of acute symptoms.
Correct Answer is D
Explanation
A. A 14-month-old toddler with bruises on bony prominences:
Bruises on bony prominences are common in toddlers who are learning to walk and are prone to falls. While bruising can raise concerns, it is not necessarily indicative of physical abuse, especially in this age group.
B. A 9-month-old infant who sustained near drowning:
Near drowning in an infant who climbed into the tub and turned on the water suggests an accidental event rather than physical abuse. This scenario is consistent with lack of supervision or an unfortunate accident.
C. A 3-year-old toddler with scalding burns:
Scalding burns from spilling hot tea on oneself can occur accidentally, especially in young children who may not understand the dangers associated with hot liquids. While the circumstances may raise suspicion, it does not necessarily indicate physical abuse without further evidence.
D. A 6-year-old child with a spiral fracture:
A spiral fracture of the tibia and fibula is concerning for physical abuse, especially in a child who reportedly sustained the injury while riding a bicycle. Spiral fractures are often associated with twisting or pulling forces and are considered suspicious for non-accidental trauma, particularly when there is no plausible explanation for the injury.
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