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Exam NCLEX-RN topic 2 question 78 discussion

Actual exam question from Test Prep's NCLEX-RN
Question #: 78
Topic #: 2
[All NCLEX-RN Questions]

Respiratory function is altered in a 16-year-old asthmatic. Which of the following is the cause of this alteration?

  • A. Altered surfactant production
  • B. Paradoxical movements of the chest wall
  • C. Increased airway resistance
  • D. Continuous changes in respiratory rate and depth
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Suggested Answer: C 🗳️
(A) Altered surfactant production is found in sudden infant death syndrome. (B) Paradoxical breathing occurs when a negative intrathoracic pressure is transmitted to the abdomen by a weakened, poorly functioning diaphragm. (C) Asthma is characterized by spasm and constriction of the airways resulting in increased resistance to airflow. (D) If the pulmonary tree is obstructed for any reason, inspired air has difficulty overcoming the resistance and getting out. The rate of respiration increases in order to compensate, thus increasing air exchange.
by [deleted] at March 10, 2025, 6:22 a.m.

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