The nurse is assessing a client who has a respiratory problem. Which clinical manifestation is most reflective of early hypoxia?
Confusion
Apnea
Cyanosis
Dysrhythmias
The Correct Answer is A
A. Confusion can be an early sign of hypoxia, especially when oxygen delivery to the brain is compromised. Inadequate oxygenation can affect cognitive function and mental status, leading to confusion. This occurs because the brain is highly sensitive to changes in oxygen levels.
B. Apnea refers to the absence of breathing. While severe hypoxia can lead to respiratory arrest and apnea, it is not typically an early manifestation of hypoxia. Early hypoxia is characterized by attempts to increase ventilation to compensate for decreased oxygen levels, rather than complete cessation of breathing.
C. Cyanosis occurs when there is a bluish discoloration of the skin and mucous membranes due to deoxygenated hemoglobin in the blood. Cyanosis is a late sign of hypoxia and usually indicates significant oxygen deprivation. It is not typically seen in early hypoxia stages.
DDysrhythmias (irregular heart rhythms) can occur as a result of hypoxia, especially if the heart muscle is not receiving enough oxygen. However, dysrhythmias are generally considered a later manifestation of hypoxia, as the heart attempts to compensate for decreased oxygen delivery.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D"]
Explanation
A. Overweight or obesity is a modifiable risk factor. It can be addressed through lifestyle changes such as diet modification, increased physical activity, and behavioral interventions aimed at weight loss.
D. Smoking is a modifiable risk factor. It is within an individual's control to quit smoking, which can significantly reduce the risk of various health problems, including cancer.
B. A history of prostate cancer is not a modifiable risk factor. Once a person has had prostate cancer, it cannot be changed through lifestyle modifications or interventions.
C. Being male is a non-modifiable risk factor for prostate cancer. Gender is determined biologically and cannot be changed.
E. Age is a non-modifiable risk factor. As individuals age, they are naturally at higher risk for certain health conditions, including prostate cancer. Age cannot be changed through interventions.
Correct Answer is B
Explanation
B Watching exciting or stimulating movies, especially horror movies, before bedtime can hinder sleep onset. Such activities can increase arousal and make it more difficult to relax and fall asleep. This statement suggests a lack of understanding of good sleep hygiene practices. Further teaching is needed to discourage stimulating activities before bedtime.
A. Consistency in sleep schedule helps regulate the body's internal clock (circadian rhythm) and can promote better sleep quality. There is no need for further teaching regarding this statement.
C. This statement reflects good sleep hygiene advice. Getting up and engaging in a quiet, boring activity if unable to fall asleep after about 30 minutes can prevent frustration and anxiety associated with lying awake in bed. This practice helps condition the mind to associate the bed with sleep rather than wakefulness. There is no need for further teaching regarding this statement.
D. This statement also reflects good sleep hygiene practices. Going to bed when feeling naturally tired can enhance the ability to fall asleep quickly. It aligns with the concept of associating the bed with sleepiness and promotes sleep onset. There is no need for further teaching regarding this statement.
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