Examkin

Soru

Zorluk: KolayPhysiological Adaptation

During morning rounds, the practical nurse (PN) evaluates a client recovering from a severe lower respiratory tract infection. The PN monitors the client for potential respiratory compromise. Which of the following clinical manifestations should the PN recognize as early indicators of hypoxia? Select all that apply.

  1. Unexplained restlessness and agitationCevap
  2. Heart rate elevating to 118 beats per minuteCevap
  3. New-onset confusion and altered mental statusCevap
  4. D
    Bluish tinge to the lips and oral mucosa
  5. E
    Respirations slowing to 10 breaths per minute

Cevap

The early indicators of hypoxia include unexplained restlessness and agitation, an elevated heart rate, and new-onset confusion.
The correct responses represent the body's initial compensatory mechanisms when deprived of adequate oxygen. The sympathetic nervous system responds to early hypoxia by increasing the heart rate (tachycardia) to deliver blood more rapidly. Additionally, because the brain demands a constant high supply of oxygen, early deficits manifest as neurological changes, such as unexplained restlessness, anxiety, and new-onset confusion.

Adım Adım Çözüm

1
Analyze the clinical scenario and the specific question being asked.
The goal is to differentiate between early compensatory signs of hypoxia and late decompensation signs.
Early recognition of hypoxia allows for prompt intervention before respiratory failure occurs.
2
Evaluate the neurological assessment options.
Restlessness, agitation, and new-onset confusion are identified as correct early signs.
The cerebral cortex is extremely sensitive to oxygen deprivation, making neurological changes some of the earliest observable signs of hypoxia.
3
Evaluate the cardiovascular and respiratory vital sign options.
An elevated heart rate (tachycardia) is identified as correct, while a slow respiratory rate and a bluish tinge to the mucosa are identified as incorrect.
Tachycardia is an early compensatory mechanism to circulate more oxygen. Cyanosis and bradycardia/hypoventilation occur late in the process when the body can no longer compensate.

Anahtar Kavram

Early versus Late Signs of Hypoxia
Tahmini Süre:1m 0s
Bu soruyu puanla

Konular

Physiological Adaptation

Bu konudan daha fazla soru