An experienced charge nurse is providing mentoring to a new charge nurse. The new charge nurse is making the shift assignment for a licensed practical nurse (LPN). Which assignment requires intervention by the experienced nurse?

Providing nasopharyngeal suctioning for a client with pneumonia

Assisting a client who is 24 hours post-operative to use an incentive spirometer

Teaching a new client who has asthma to use a metered-dose inhaler

Collecting a clean catch urine from an ambulatory client with a wound