Correct Answer: C

Rationale: It is essential to advise the client to avoid speaking for extended periods after the removal of the endotracheal tube to prevent strain on the vocal cords and allow the airway to recover. Speaking for prolonged periods can lead to irritation and potentially affect the healing process. The other options are also important post-extubation instructions, such as using the incentive spirometer to maintain lung function, positioning in a side-lying position for comfort, and frequent monitoring of vital signs to ensure the client's stability.

Correct Answer: C

Rationale:

Correct Answer: A

Rationale: When auscultating the lungs of a client with pleurisy, the healthcare professional should expect to hear loud, scratchy sounds. These sounds are characteristic of pleurisy, which is an inflammation of the pleura, causing a rough, grating sound during breathing.

Correct Answer: D

Rationale: Confusion is a common finding in older adult clients with pneumonia, often indicating hypoxia. Hypertension, unequal pupils, and tympany upon chest percussion are not typically associated with community-acquired pneumonia in older adults.

Correct Answer: A

Rationale: Stridor is a high-pitched, harsh respiratory sound that can indicate airway obstruction. It is a serious finding that requires immediate attention as it may lead to respiratory compromise. Copious oral secretions, hoarseness, and sore throat are common but expected findings after endotracheal tube removal and do not typically require urgent intervention.