Upon Assessment, the Nurse Notes That the Client Is Dyspnoeic

Upon assessment, the nurse notes that the client is dyspnoeic, has bibasilar crackles, and tires easily upon exertion. Which nursing diagnosis is best supported by these assessment details?

A) Anxiety.
B) Impaired Gas Exchange.
C) Ineffective Airway Clearance.
D) Ineffective Breathing Pattern.