A client with pneumonia exhibits signs of respiratory distress and decreased oxygen saturation. What is the primary indication for initiating oxygen therapy in this client?

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ATI LPN Fundamentals Proctored Exam 2024 Questions

Question 1 of 5

A client with pneumonia exhibits signs of respiratory distress and decreased oxygen saturation. What is the primary indication for initiating oxygen therapy in this client?

Correct Answer: C

Rationale: Improving oxygen delivery to tissues (C) is the primary indication for oxygen therapy in pneumonia with distress and low SpO2, correcting hypoxia from impaired gas exchange. Lung expansion (A) is secondary. Antimicrobial therapy (B) treats infection, not oxygenation. Bacterial resistance (D) is unrelated. Enhanced oxygen delivery supports vital organs, per infectious disease care principles, critical in acute respiratory compromise.

Question 2 of 5

An infant with Tetralogy of Fallot is discharged with a prescription for Lanoxin elixir. The nurse should instruct the mother to:

Correct Answer: B

Rationale: Using the calibrated dropper ensures accurate dosing of Lanoxin (digoxin) elixir for an infant with Tetralogy of Fallot, critical due to its narrow therapeutic range and cardiac effects. Nipples, spoons, or dilution in bottles risk under- or overdosing. Nurses teach this method to parents, stressing precision to manage heart defects safely, preventing toxicity or inefficacy.

Question 3 of 5

The nurse is teaching the mother of a child with cystic fibrosis how to do chest percussion. The nurse should tell the mother to:

Correct Answer: D

Rationale: Cupped hands during chest percussion loosen mucus in cystic fibrosis, creating vibrations without pain, a key physiotherapy technique to clear airways. Heel strikes are harsh, frequent repositioning isn't routine, and post-meal percussion risks reflux. Nurses teach this method for effective secretion management, improving breathing and reducing infection risk in this chronic condition.

Question 4 of 5

The nurse is preparing a client with an axillopopliteal bypass graft for discharge. The client should be taught to avoid:

Correct Answer: C

Rationale: Sitting in a chair for long periods post-axillopopliteal bypass risks kinking the graft or pooling blood, impairing circulation and healing a key discharge caution. Elevating legs, walking, or lying flat supports venous return and graft patency. Nurses teach this to prevent thrombosis or occlusion, ensuring clients maintain mobility and positioning to optimize surgical outcomes and limb perfusion.

Question 5 of 5

The nurse is caring for a client with a fractured tibia placed in an external fixator. Which of the following should be included in the plan of care?

Correct Answer: B

Rationale: Checking pin sites for infection (redness, drainage) is critical in external fixator care for a fractured tibia, preventing osteomyelitis flat legs, massage, or early ambulation risk stability or healing. Nurses monitor this, ensuring site care and antibiotics if needed, supporting bone recovery.

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