An 84-Year-Old Male Client Is Admitted for Severe Dyspnea

An 84-year-old male client is admitted for severe dyspnea.Which nursing intervention should the nurse perform initially?

A) Administer humidified oxygen via mask at 8 liters per minute while performing the health history and physical assessment.
B) Notify the health care provider of the client's condition immediately.
C) Place the client in Fowler's or a forward-leaning position over a padded,raised overbed table with arms and head resting on the table.
D) Start intravenous normal saline solution at a "keep vein open" rate for the anticipated administration of emergency medications.